All Stories

  1. Non-Linear Pressure Sensitivity of Standard Telecommunication Cables

    Article • Sensors, June 2026, MDPI AG

    Hairul Azhar Abdul Rashid

  2. Comparative Study of Distributed Acoustic Sensing Responses in Telecommunication Optical Cables

    Article • Sensors, December 2025, MDPI AG

    Hairul Azhar Abdul Rashid, Dr. Abdulfatah Abushagur

  3. Quantifying the dosimetric impact of afterloader-specific source dynamics in HDR brachytherapy via 4D Monte Carlo simulation

    Article • Physics in Medicine and Biology, October 2025, Institute of Physics Publishing

    Hairul Azhar Abdul Rashid

  4. TOPAS-based 4D Monte Carlo simulation of transit dose in esophageal HDR brachytherapy: a phantom study

    Article • Physics in Medicine and Biology, October 2025, Institute of Physics Publishing

    Hairul Azhar Abdul Rashid

  5. Coupled ionizing-radiation/optical-photon transport Monte Carlo simulations for characterisation of light signal in an optical fiber radioluminescence dosimetry system

    Article • Biomedical Physics & Engineering Express, March 2025, Institute of Physics Publishing

    Hairul Azhar Abdul Rashid

  6. Improving the radiation resistance of the fiber via bismuth depositing

    Article • IEEE Transactions on Nuclear Science, January 2025, Institute of Electrical & Electronics Engineers (IEEE)

    Hairul Azhar Abdul Rashid

  7. Evaluation of TOPAS MC tool performance in optical photon transport and radioluminescence-based dosimetry

    Article • Biomedical Physics & Engineering Express, August 2024, Institute of Physics Publishing

    Hairul Azhar Abdul Rashid

  8. Improved YOLOv8 Model for a comprehensive approach to object detection and distance estimation

    Article • IEEE Access, January 2024, Institute of Electrical & Electronics Engineers (IEEE)

    Hairul Azhar Abdul Rashid

  9. Comparative study of deep learning models for sewer pipes anomaly detection

    Article • January 2024, American Institute of Physics

    Hairul Azhar Abdul Rashid

  10. A review of the Geant4 simulation platform for applications involving optical-based sensing and dosimetry

    Article • Radiation Physics and Chemistry, June 2023, Elsevier

    Hairul Azhar Abdul Rashid

  11. Plasmonic Micro-Channel Assisted Photonic Crystal Fiber Based Highly Sensitive Sensor for Multi-Analyte Detection

    Article • Nanomaterials, April 2022, MDPI AG

    Hairul Azhar Abdul Rashid

  12. Time-Resolved Radioluminescence Dosimetry Applications and the Influence of Ge Dopants In Silica Optical Fiber Scintillators

    Article • Quantum Beam Science, April 2022, MDPI AG

    Hairul Azhar Abdul Rashid

  13. Numerical model for enhancing stimulated Brillouin scattering in optical microfibers

    Article • F1000Research, February 2022, Faculty of 1000, Ltd.

    Hairul Azhar Abdul Rashid

  14. Comparison of 1480 nm and 980 nm-pumped Gallium-Erbium fiber amplifier

    Article • F1000Research, September 2021, Faculty of 1000, Ltd.

    Hairul Azhar Abdul Rashid

  15. Numerical model for enhancing stimulated Brillouin scattering in optical microfibers

    Article • F1000Research, June 2021, Faculty of 1000, Ltd.

    Hairul Azhar Abdul Rashid

  16. Comparison of 1480 nm and 980 nm-pumped Gallium-Erbium fiber amplifier

    Article • F1000Research, March 2021, Faculty of 1000, Ltd.

    Hairul Azhar Abdul Rashid

  17. Optical Characterisations of Bi-Phosphosilicate Fiber for O Band Amplification

    Article • Fibers, December 2020, MDPI AG

    Hairul Azhar Abdul Rashid

  18. Fabrication of Alumina-Doped Optical Fiber Preforms by an MCVD-Metal Chelate Doping Method

    Article • Applied Sciences, October 2020, MDPI AG

    Hairul Azhar Abdul Rashid

  19. Fabrication of Alumina Doped Optical Fiber Preforms by MCVD-Metal Chelate Doping Method

    Article • August 2020, MDPI AG

    Hairul Azhar Abdul Rashid

  20. Passive Sub-Carrier Multiplexing for Discriminating Overlapped Optical Spectra

    Article • IEEE Photonics Technology Letters, October 2018, Institute of Electrical & Electronics Engineers (IEEE)

    Hairul Azhar Abdul Rashid

  21. The effect of different dopant concentration of tailor-made silica fibers in radiotherapy dosimetry

    Article • Radiation Physics and Chemistry, December 2017, Elsevier

    Hairul Azhar Abdul Rashid

  22. Evolution of Surface Acoustic Waves in an Optical Microfiber

    Article • IEEE Journal of Quantum Electronics, October 2017, Institute of Electrical & Electronics Engineers (IEEE)

    Dr Fairuz Abdullah, Hairul Azhar Abdul Rashid

  23. Ge-doped silica optical fibres as RL/OSL dosimeters for radiotherapy dosimetry

    Article • Sensors and Actuators A Physical, September 2017, Elsevier

    Hairul Azhar Abdul Rashid

  24. Developments in production of silica-based thermoluminescence dosimeters

    Article • Radiation Physics and Chemistry, August 2017, Elsevier

    Hairul Azhar Abdul Rashid, Professor Emeritus Mohd Jamil Maah

  25. Measurement of a wide-range of X-ray doses using specialty doped silica fibres

    Article • Radiation Physics and Chemistry, August 2017, Elsevier

    Hairul Azhar Abdul Rashid, Professor Emeritus Mohd Jamil Maah

  26. An ultra-high dose of electron radiation response of Germanium Flat Fiber and TLD-100

    Article • Radiation Physics and Chemistry, January 2017, Elsevier

    Hairul Azhar Abdul Rashid, Professor Emeritus Mohd Jamil Maah

  27. Latest developments in silica-based thermoluminescence spectrometry and dosimetry

    Article • Applied Radiation and Isotopes, November 2016, Elsevier

    Hairul Azhar Abdul Rashid, Professor Emeritus Mohd Jamil Maah

  28. Radiotherapy dosimetry and the thermoluminescence characteristics of Ge-doped fibres of differing germanium dopant concentration and outer diameter

    Article • Radiation Physics and Chemistry, September 2016, Elsevier

    Professor Emeritus Mohd Jamil Maah, Hairul Azhar Abdul Rashid

  29. Real-time dosimetry in radiotherapy using tailored optical fibers

    Article • Radiation Physics and Chemistry, May 2016, Elsevier

    Hairul Azhar Abdul Rashid

  30. Solution doped preform with improved uniformity and concentration using dual-layer soot deposition

    Article • Optical Fiber Technology, March 2016, Elsevier

    Hairul Azhar Abdul Rashid

  31. Thermal Activation of Regenerated Grating in Hydrogenated Gallosilicate Fiber

    Article • IEEE Sensors Journal, March 2016, Institute of Electrical & Electronics Engineers (IEEE)

    Hairul Azhar Abdul Rashid

  32. Performance Analysis of an EDFA Utilizing a Partially Doped Core Fiber (PDCF)

    Article • Journal of Optical Communications, January 2016, De Gruyter

    Hairul Azhar Abdul Rashid

  33. Effects of macro-bending on 1500-nm amplified spontaneous emission, gain, and noise figure of erbium-gallium co-doped fiber

    Article • Optical Engineering, December 2015, SPIE

    Mr Leong Chia Jian, Hairul Azhar Abdul Rashid

  34. Comparison of thermoluminescence response of different sized Ge-doped flat fibers as a dosimeter

    Article • Radiation Physics and Chemistry, November 2015, Elsevier

    Hairul Azhar Abdul Rashid

  35. Germanium-doped optical fiber for real-time radiation dosimetry

    Article • Radiation Physics and Chemistry, November 2015, Elsevier

    Hairul Azhar Abdul Rashid, Professor Emeritus Mohd Jamil Maah

  36. The thermoluminescence glow curve and the deconvoluted glow peak characteristics of erbium doped silica fiber exposed to 70–130kVp x-rays

    Article • Applied Radiation and Isotopes, October 2015, Elsevier

    Hairul Azhar Abdul Rashid

  37. Thermoluminescence glow curves and deconvoluted glow peaks of Ge doped flat fibers at ultra-high doses of electron radiation

    Article • Radiation Physics and Chemistry, August 2015, Elsevier

    Hairul Azhar Abdul Rashid, Professor Emeritus Mohd Jamil Maah

  38. Thulium-doped fiber laser utilizing a photonic crystal fiber-based optical low-pass filter with application in 17 μm and 18 μm band

    Article • Optics Express, July 2015, Optical Society of America (OSA)

    Hairul Azhar Abdul Rashid

  39. Enhancing the radiation dose detection sensitivity of optical fibres

    Article • Applied Radiation and Isotopes, June 2015, Elsevier

    Hairul Azhar Abdul Rashid, Professor Emeritus Mohd Jamil Maah

  40. XPS and PIXE Analysis of Doped Silica Fibre for Radiation Dosimetry

    Article • Journal of Lightwave Technology, June 2015, Institute of Electrical & Electronics Engineers (IEEE)

    Hairul Azhar Abdul Rashid, Professor Emeritus Mohd Jamil Maah

  41. Thermoluminescence characteristics of Ge-doped optical fibers with different dimensions for radiation dosimetry

    Article • Applied Radiation and Isotopes, June 2015, Elsevier

    Hairul Azhar Abdul Rashid

  42. The thermoluminescence characteristics and the glow curves of Thulium doped silica fiber exposed to 10MV photon and 21MeV electron radiation

    Article • Applied Radiation and Isotopes, April 2015, Elsevier

    Hairul Azhar Abdul Rashid

  43. Potential application of pure silica optical flat fibers for radiation therapy dosimetry

    Article • Radiation Physics and Chemistry, January 2015, Elsevier

    Hairul Azhar Abdul Rashid

  44. Micro-PIXE analysis of doped SiO2fibres intended as TL dosimeters for radiation measurements

    Article • X-Ray Spectrometry, December 2014, Wiley

    Hairul Azhar Abdul Rashid, Professor Emeritus Mohd Jamil Maah

  45. S-Band Gain Improvement Using a Thulium–Aluminum Co-Doped Photonic Crystal Fiber Amplifier

    Article • IEEE Photonics Journal, December 2014, Institute of Electrical & Electronics Engineers (IEEE)

    Hairul Azhar Abdul Rashid

  46. Development of tailor-made silica fibres for TL dosimetry

    Article • Radiation Physics and Chemistry, November 2014, Elsevier

    Hairul Azhar Abdul Rashid, Professor Emeritus Mohd Jamil Maah

  47. High sensitivity flat SiO2 fibres for medical dosimetry

    Article • Radiation Physics and Chemistry, November 2014, Elsevier

    Hairul Azhar Abdul Rashid, Professor Emeritus Mohd Jamil Maah

  48. Application of Fano resonance effects in optical antennas formed by regular clusters of nanospheres

    Article • Applied Physics A, October 2014, Springer Science + Business Media

    Hairul Azhar Abdul Rashid

  49. Enhanced performance of an S-band fiber laser using a thulium-doped photonic crystal fiber

    Article • Laser Physics, September 2014, Institute of Physics Publishing

    Hairul Azhar Abdul Rashid

  50. Multi-wavelength Brillouin-Raman fiber laser utilizing a partially reflective fiber Bragg grating in L-band

    Article • September 2014, Institute of Electrical & Electronics Engineers (IEEE)

    Hairul Azhar Abdul Rashid

  51. 1.9~2 μm gain shifted TBDFA employing different Tm-Bi concentration ratio

    Article • September 2014, Institute of Electrical & Electronics Engineers (IEEE)

    Hairul Azhar Abdul Rashid

  52. Fabrication and characterization of a Gallium co-doped Erbium optical fiber

    Article • September 2014, Institute of Electrical & Electronics Engineers (IEEE)

    Hairul Azhar Abdul Rashid

  53. Fabrication and characterization of solution doped gallium and barium preforms

    Article • September 2014, Institute of Electrical & Electronics Engineers (IEEE)

    Hairul Azhar Abdul Rashid

  54. Fabrication of Tm2O3/Al2O3-silica preform by improved MCVD-chelate delivery system

    Article • September 2014, Institute of Electrical & Electronics Engineers (IEEE)

    Hairul Azhar Abdul Rashid

  55. Net deposition efficiency of step-index GeO2 doped silica glass fabricated by MCVD

    Article • September 2014, Institute of Electrical & Electronics Engineers (IEEE)

    Hairul Azhar Abdul Rashid

  56. Circuit Model of Fano Resonance on Tetramers, Pentamers, and Broken Symmetry Pentamers

    Article • Plasmonics, July 2014, Springer Science + Business Media

    Hairul Azhar Abdul Rashid

  57. Absorbance properties of gold coated fiber Bragg grating sensor for aqueous ethanol

    Article • Journal of the European Optical Society Rapid Publications, May 2014, European Optical Society

    Hairul Azhar Abdul Rashid

  58. Investigation of Bending Sensitivity in Partially Doped Core Fiber for Sensing Applications

    Article • IEEE Sensors Journal, April 2014, Institute of Electrical & Electronics Engineers (IEEE)

    Hairul Azhar Abdul Rashid

  59. Gain-shift induced by dopant concentration ratio in a thulium-bismuth doped fiber amplifier

    Article • Optics Express, March 2014, Optical Society of America (OSA)

    Hairul Azhar Abdul Rashid

  60. Tunable Brillouin-erbium fiber laser incorporating a low-cost biconic tapered fiber

    Article • Journal of Modern Optics, February 2014, Taylor & Francis

    Hairul Azhar Abdul Rashid

  61. Er2O3-Al2O3 Doped Silica Preform Prepared by MCVD-Chelate Vapor Phase Delivery Technique

    Article • Advanced Materials Research, February 2014, Trans Tech Publications

    Hairul Azhar Abdul Rashid

  62. Fabrication of Aluminum Doped Silica Preform Using MCVD and Solution Doping Technique: Soot Analyses and Solution Concentration Effect

    Article • Advanced Materials Research, February 2014, Trans Tech Publications

    Hairul Azhar Abdul Rashid

  63. Multiple Soaking with Different Solution Concentration in Doped Silica Preform Fabrication Using Modified Chemical Vapor Deposition and Solution Doping

    Article • Fiber & Integrated Optics, January 2014, Taylor & Francis

    Hairul Azhar Abdul Rashid

  64. Assessment of GeB doped SiO 2 optical fiber for the application of remote radiation sensing system

    Article • December 2013, SPIE

    Hairul Azhar Abdul Rashid, Professor Emeritus Mohd Jamil Maah

  65. Properties of Ge-doped fibres

    Article • October 2013, Institute of Electrical & Electronics Engineers (IEEE)

    Hairul Azhar Abdul Rashid, Professor Emeritus Mohd Jamil Maah

  66. Aluminum doped silica preform fabrication using MCVD and solution doping technique: Effects of various aluminum solution concentrations

    Article • October 2013, Institute of Electrical & Electronics Engineers (IEEE)

    Hairul Azhar Abdul Rashid

  67. Effect of GeCl4/SiCl4 flow ratio on Germanium incorporation in MCVD process

    Article • October 2013, Institute of Electrical & Electronics Engineers (IEEE)

    Hairul Azhar Abdul Rashid

  68. Optical properties of GeO2-doped silica preform from absorption and vibrational spectroscopy

    Article • October 2013, Institute of Electrical & Electronics Engineers (IEEE)

    Hairul Azhar Abdul Rashid

  69. Thermoluminescence response of Ge-doped optical fiber dosimeters with different core sizes

    Article • October 2013, Institute of Electrical & Electronics Engineers (IEEE)

    Hairul Azhar Abdul Rashid

  70. Temperature-Insensitive Bend Sensor Using Entirely Centered Erbium Doping in the Fiber Core

    Article • Sensors, July 2013, MDPI AG

    Hairul Azhar Abdul Rashid

  71. Radiation dose to radiosensitive organs in PET/CT myocardial perfusion examination using versatile optical fibre

    Article • May 2013, SPIE

    Hairul Azhar Abdul Rashid

  72. Thermoluminescence characteristics of flat optical fiber in radiation dosimetry under different electron irradiation conditions

    Article • May 2013, SPIE

    Hairul Azhar Abdul Rashid

  73. Micro-bending based optical band-pass filter and its application in S-band Thulium-doped fiber amplifier

    Article • Optics Express, December 2012, Optical Society of America (OSA)

    Hairul Azhar Abdul Rashid

  74. Fano resonance on plasmonic nanostructures

    Article • October 2012, Institute of Electrical & Electronics Engineers (IEEE)

    Hairul Azhar Abdul Rashid

  75. New Design of a Thulium–Aluminum-Doped Fiber Amplifier Based on Macro-Bending Approach

    Article • Journal of Lightwave Technology, October 2012, Institute of Electrical & Electronics Engineers (IEEE)

    Hairul Azhar Abdul Rashid

  76. 56dB Gain EYDFA with improved noise figure with dual-stage partial double pass configuration

    Article • Optik, October 2012, Elsevier

    Hairul Azhar Abdul Rashid

  77. All fiber optical band-pass filter using macro-bending approach

    Article • October 2012, Institute of Electrical & Electronics Engineers (IEEE)

    Hairul Azhar Abdul Rashid

  78. On the fabrication of aluminum doped silica preform using MCVD and solution doping technique

    Article • October 2012, Institute of Electrical & Electronics Engineers (IEEE)

    Hairul Azhar Abdul Rashid

  79. Performance comparisons of a linear BEFL with and without a tunable bandpass filter

    Article • October 2012, Institute of Electrical & Electronics Engineers (IEEE)

    Hairul Azhar Abdul Rashid

  80. Strain effect on spectral response of biconic tapered fiber interferometer

    Article • October 2012, Institute of Electrical & Electronics Engineers (IEEE)

    Hairul Azhar Abdul Rashid

  81. System tolerance of NRZ-DQPSK all-optical OFDM in long-haul transmission system using DCF

    Article • October 2012, Institute of Electrical & Electronics Engineers (IEEE)

    Hairul Azhar Abdul Rashid

  82. S-band gain and noise figure improvements in thulium-doped fiber amplifier by using macro-bending approach

    Article • Applied Physics B Photophysics and Laser Chemistry, September 2012, Springer Science + Business Media

    Hairul Azhar Abdul Rashid

  83. Comparison of LMS-TEQ and DF-TEQ to reduce cyclic prefix length in direct detection optical OFDM system

    Article • Optik, June 2012, Elsevier

    Hairul Azhar Abdul Rashid

  84. Simultaneous spectral recovery of long-period grating sensor array using optical time-division multiplexing

    Article • Optik, April 2012, Elsevier

    Hairul Azhar Abdul Rashid

  85. Effect of transverse distribution profile of thulium on the performance of thulium-doped fibre amplifiers

    Article • Ukrainian Journal of Physical Optics, January 2012, Institute of Physical Optics

    Hairul Azhar Abdul Rashid

  86. Broad multiwavelength source using spectral slicing technique

    Article • December 2011, Institute of Electrical & Electronics Engineers (IEEE)

    Hairul Azhar Abdul Rashid

  87. On the initial development of Rare Earth doped fiber using chelate delivery system

    Article • October 2011, Institute of Electrical & Electronics Engineers (IEEE)

    Hairul Azhar Abdul Rashid

  88. Sensitivity analysis on effects of bias drifting in subcarrier multiplexed transmission system employing OSSB modulation

    Article • October 2011, Institute of Electrical & Electronics Engineers (IEEE)

    Hairul Azhar Abdul Rashid

  89. Study of eigen value equation of hyperbolic waveguide under slow wave consideration

    Article • October 2011, Institute of Electrical & Electronics Engineers (IEEE)

    Hairul Azhar Abdul Rashid

  90. Ultrashort pulse laser generation in ring-type EDFL using carbon-nanotube saturable absorber

    Article • October 2011, Institute of Electrical & Electronics Engineers (IEEE)

    Hairul Azhar Abdul Rashid

  91. Apodized fibre Bragg grating with modulated refractive index change for transmissive gain equalization

    Article • Optik, September 2011, Elsevier

    Hairul Azhar Abdul Rashid

  92. Cyclic prefix reduction for 20.48 Gb/s direct-detection optical OFDM transmission over 2560 km of SSMF

    Article • International Journal of Communication Systems, January 2011, Wiley

    Hairul Azhar Abdul Rashid

  93. Compact Widely Tunable C- Plus L-Band Erbium-Doped Laser and Amplifier

    Article • January 2011, American Institute of Physics

    Hairul Azhar Abdul Rashid

  94. Effect of Fiber Bragg Grating Reflectivity in Linear Cavity Brillouin∕Erbium Fiber Laser

    Article • January 2011, American Institute of Physics

    Hairul Azhar Abdul Rashid

  95. Under frequency load shedding (UFLS): Principles and implementation

    Article • November 2010, Institute of Electrical & Electronics Engineers (IEEE)

    Hairul Azhar Abdul Rashid

  96. Application of macro-bending for flat and broad gain EDFA

    Article • Journal of Modern Optics, September 2010, Taylor & Francis

    Hairul Azhar Abdul Rashid

  97. A theoretical study of double-pass thulium-doped fiber amplifiers

    Article • Optik, August 2010, Elsevier

    Hairul Azhar Abdul Rashid

  98. Linear all-fiber temperature sensor based on macro-bent erbium doped fiber

    Article • Laser Physics Letters, July 2010, Institute of Physics Publishing

    Hairul Azhar Abdul Rashid

  99. Analysis of S-band EDFA utilising macro-bending approach

    Article • July 2010, Institute of Electrical & Electronics Engineers (IEEE)

    Hairul Azhar Abdul Rashid

  100. Effect of different gain medium length in Brillouin Erbium-Ytterbium Doped Fiber Laser

    Article • July 2010, Institute of Electrical & Electronics Engineers (IEEE)

    Hairul Azhar Abdul Rashid

  101. Experimental investigation of slow light generation based on SBS in optical fibers

    Article • July 2010, Institute of Electrical & Electronics Engineers (IEEE)

    Hairul Azhar Abdul Rashid

  102. Performance analysis of Decision Feedback Time-Domain Equalizer for 20.48 Gb/s direct-detection optical OFDM transmission over 2560 km of SMF

    Article • July 2010, Institute of Electrical & Electronics Engineers (IEEE)

    Hairul Azhar Abdul Rashid

  103. Performance analysis of Least Mean Square Time-Domain Equalizer in long-haul direct-detection optical OFDM transmission

    Article • July 2010, Institute of Electrical & Electronics Engineers (IEEE)

    Hairul Azhar Abdul Rashid

  104. Numerical study of macro bending effect on high concentration EDFA

    Article • May 2010, Institute of Electrical & Electronics Engineers (IEEE)

    Hairul Azhar Abdul Rashid

  105. Performance analysis of decision feedback time domain equalizer for direct-detection optical OFDM transmission in long-distance SSMF

    Article • May 2010, Institute of Electrical & Electronics Engineers (IEEE)

    Hairul Azhar Abdul Rashid

  106. Minimal optimization technique for radio over fiber WLAN transmission in IM-DD optical link

    Article • Microwave and Optical Technology Letters, February 2010, Wiley

    Hairul Azhar Abdul Rashid

  107. WIDE-BAND HYBRID AMPLIFIER OPERATING IN S-BAND REGION

    Article • Progress In Electromagnetics Research, January 2010, EMW Publishing

    Hairul Azhar Abdul Rashid

  108. An experimental investigation of the gain spectrum of erbium-doped fiber amplifiers under various system configurations

    Article • Optik, January 2010, Elsevier

    Hairul Azhar Abdul Rashid

  109. Performance of a High-Concentration Erbium-Doped Fiber Amplifier with 100 nm Amplification Bandwidth

    Article • January 2010, American Institute of Physics

    Hairul Azhar Abdul Rashid

  110. TEMPERATURE INSENSITIVE BROAD AND FLAT GAIN C-BAND EDFA BASED ON MACRO-BENDING

    Article • Progress In Electromagnetics Research C, January 2010, EMW Publishing

    Hairul Azhar Abdul Rashid

  111. Optimization of fiber length and bending Diameter in depressed cladding Erbium-doped Fiber Amplifier

    Article • December 2009, Institute of Electrical & Electronics Engineers (IEEE)

    Hairul Azhar Abdul Rashid

  112. Performance analysis of Least Mean Square Time-Domain Equalizer for 20.48 Gb/s direct-detection optical OFDM transmission over 2560 km of SMF

    Article • December 2009, Institute of Electrical & Electronics Engineers (IEEE)

    Hairul Azhar Abdul Rashid

  113. On the pre-amplified linear cavity multi-wavelength Brillioun-erbium fiber laser with low SBS threshold highly nonlinear photonic crystal fiber

    Article • Laser Physics, August 2009, Pleiades Publishing Ltd

    Hairul Azhar Abdul Rashid

  114. Ring cavity multiwavelength Brillouin-erbium fiber laser with a partially reflective fiber Bragg grating

    Article • Journal of the Optical Society of America B, August 2009, Optical Society of America (OSA)

    Hairul Azhar Abdul Rashid

  115. Widely tunable multi-wavelength Brillouinerbium fiber laser utilizing low SBS threshold photonic crystal fiber

    Article • Optics Express, July 2009, Optical Society of America (OSA)

    Hairul Azhar Abdul Rashid

  116. Simultaneous sensing system for identical long-period gratings sensors using subcarrier multiplexing

    Article • Laser Physics, July 2009, Pleiades Publishing Ltd

    Hairul Azhar Abdul Rashid

  117. Low threshold and efficient multi-wavelength Brillouinerbium fiber laser incorporating a fiber Bragg grating filter with intra-cavity pre-amplified Brillouin pump

    Article • Laser Physics Letters, January 2009, Institute of Physics Publishing

    Hairul Azhar Abdul Rashid

  118. OPTIMIZATION OF THE 1050nm PUMP POWER AND FIBER LENGTH IN SINGLE-PASS AND DOUBLE-PASS THULIUM DOPED FIBER AMPLIFIERS

    Article • Progress In Electromagnetics Research B, January 2009, EMW Publishing

    Hairul Azhar Abdul Rashid

  119. Shorter Wavelength Gain Shift In EDFA Using A Macro-Bending Approach

    Article • December 2008, Institute of Electrical & Electronics Engineers (IEEE)

    Hairul Azhar Abdul Rashid

  120. Broadly tunable multi-wavelength Brillouin-erbium fiber laser in a Fabry-Perot cavity

    Article • Laser Physics Letters, November 2008, Institute of Physics Publishing

    Hairul Azhar Abdul Rashid

  121. Gain and noise figure improvements in a shorter wavelength region of EDFA using a macrobending approach

    Article • Laser Physics, November 2008, Pleiades Publishing Ltd

    Hairul Azhar Abdul Rashid

  122. Ring cavity multi-wavelength Brillouin-erbium fiber laser utilizing a fiber Bragg grating filter

    Article • November 2008, Institute of Electrical & Electronics Engineers (IEEE)

    Hairul Azhar Abdul Rashid

  123. Effects of an auxiliary pump on the performance of TDFA

    Article • Laser Physics, August 2008, Pleiades Publishing Ltd

    Hairul Azhar Abdul Rashid

  124. An Experimental Study on S-band Depressed Cladding EDFA

    Article • August 2008, Institute of Electrical & Electronics Engineers (IEEE)

    Hairul Azhar Abdul Rashid

  125. Multi-wavelength Brillouin-Erbium Fiber Laser Utilizing a Fiber Bragg Grating Filter with Intra-Cavity Pre-Amplified Brillouin Pump

    Article • August 2008, Institute of Electrical & Electronics Engineers (IEEE)

    Hairul Azhar Abdul Rashid

  126. MULTIWAVELENGTH SOURCE USING A BRILLOUIN FIBER LASER

    Article • Journal of Nonlinear Optical Physics & Materials, June 2008, World Scientific Pub Co Pte Lt

    Hairul Azhar Abdul Rashid

  127. Multiwavelength Brillouin-erbium fiber laser incorporating a fiber Bragg grating filter

    Article • Laser Physics, April 2008, Pleiades Publishing Ltd

    Hairul Azhar Abdul Rashid

  128. 37.2dB small-signal gain from Er/Yb Co-doped fiber amplifier with 20mW pump power

    Article • Optics & Laser Technology, February 2008, Elsevier

    Hairul Azhar Abdul Rashid

  129. Chromatic dispersion measurement using optical beating null frequency

    Article • Optical Engineering, February 2008, SPIE

    Hairul Azhar Abdul Rashid

  130. The performance of a fiber optic displacement sensor for different types of probes and targets

    Article • Laser Physics Letters, January 2008, Institute of Physics Publishing

    Prof. Kusminarto Kusminarto, Hairul Azhar Abdul Rashid

  131. Enhancement of multi-wavelength brillouin-erbium fibre laser utilizing fibre Bragg Grating filter

    Article • October 2007, Institute of Electrical & Electronics Engineers (IEEE)

    Hairul Azhar Abdul Rashid

  132. An efficient EYDFA with a 54 dB small signal gain

    Article • Microwave and Optical Technology Letters, July 2007, Wiley

    Hairul Azhar Abdul Rashid

  133. Packet based echo cancellation for VoIP networks

    Article • Computers & Electrical Engineering, March 2007, Elsevier

    Hairul Azhar Abdul Rashid

  134. OBI reduction method using optical carrier suppression

    Article • Microwave and Optical Technology Letters, January 2007, Wiley

    Hairul Azhar Abdul Rashid

  135. Numerical analysis and optimization of remotely pumped double pass Erbium doped fiber amplifier

    Article • IEICE Electronics Express, January 2007, Institute of Electronics, Information and Communications Engineers (IEICE)

    Hairul Azhar Abdul Rashid

  136. Optimization of optical modulator chirp measurement technique using differential frequency beating

    Article • Microwave and Optical Technology Letters, January 2007, Wiley

    Hairul Azhar Abdul Rashid

  137. Semi-analytical performance analysis of an SCM-WDM PON in the presence of XPM and GVD

    Article • January 2007, Institute of Electrical & Electronics Engineers (IEEE)

    Hairul Azhar Abdul Rashid

  138. Subcarrier multiple access system using a single optical source to suppress optical beat interference

    Article • January 2007, Institute of Electrical & Electronics Engineers (IEEE)

    Hairul Azhar Abdul Rashid

  139. Adopting Electroabsorption Modulator for the WLAN 802.11a Radio over Fibre System

    Article • November 2006, Institute of Electrical & Electronics Engineers (IEEE)

    Hairul Azhar Abdul Rashid

  140. Effect of Laser Bias Current to the Third Order Intermodulation in the Radio over Fibre System

    Article • September 2006, Institute of Electrical & Electronics Engineers (IEEE)

    Hairul Azhar Abdul Rashid

  141. Employing dispersion-flattened fiber for chromatic dispersion measurement

    Article • Optical Engineering, May 2006, SPIE

    Hairul Azhar Abdul Rashid

  142. A new optical modulator chirp measurement technique using differential frequency beating

    Article • Journal of Optics A Pure and Applied Optics, February 2006, Institute of Physics Publishing

    Hairul Azhar Abdul Rashid

  143. Packet Based Echo Cancellation for Voice Over Internet Protocol Simulated with Variable Amount of Network Delay Time

    Article • January 2006, Institute of Electrical & Electronics Engineers (IEEE)

    Hairul Azhar Abdul Rashid

  144. Dual-stage Er/Yb doped fiber amplifier for gain and noise figure enhancements

    Article • IEICE Electronics Express, January 2006, Institute of Electronics, Information and Communications Engineers (IEICE)

    Hairul Azhar Abdul Rashid

  145. Optimization of chromatic dispersion measurement technique using relative power of two beating frequencies

    Article • Microwave and Optical Technology Letters, January 2006, Wiley

    Hairul Azhar Abdul Rashid

  146. The effects of drive level errors on optical SSB system performance

    Article • IEICE Electronics Express, January 2006, Institute of Electronics, Information and Communications Engineers (IEICE)

    Hairul Azhar Abdul Rashid

  147. The effects of phase errors on optical SSB system performance

    Article • Microwave and Optical Technology Letters, January 2006, Wiley

    Hairul Azhar Abdul Rashid

  148. Intracavity loss control effect on tuning range of tunable dual erbium-doped fiber laser

    Article • Laser Physics Letters, November 2005, Institute of Physics Publishing

    Dr Fairuz Abdullah, Hairul Azhar Abdul Rashid

  149. Impact of a Post-OTDM-Demultiplexing Optical Filter on Dense OOK OTDM-WDM Transmission

    Article • Fiber & Integrated Optics, September 2005, Taylor & Francis

    Hairul Azhar Abdul Rashid

  150. Characterization of a multiwavelength Brillouin–erbium fiber laser based on a linear cavity configuration

    Article • Applied Optics, May 2005, Optical Society of America (OSA)

    Hairul Azhar Abdul Rashid

  151. A technique to improve optical time division multiplexing - wavelength division multiplexing performance

    Article • IEICE Electronics Express, January 2005, Institute of Electronics, Information and Communications Engineers (IEICE)

    Hairul Azhar Abdul Rashid

  152. Chromatic dispersion measurement using the relative power of two beating frequencies

    Article • Microwave and Optical Technology Letters, January 2005, Wiley

    Hairul Azhar Abdul Rashid

  153. An orthogonal subcarrier based optical tandem single sideband system

    Article • IEICE Electronics Express, January 2004, Institute of Electronics, Information and Communications Engineers (IEICE)

    Hairul Azhar Abdul Rashid

  154. Novel technique for tandem single sideband communication systems using orthogonal carriers (TSSB-OC)

    Article • July 2002, SPIE

    Hairul Azhar Abdul Rashid

  155. Chromatic Dispersion Penalties in Orthogonal Subcarrier - Optical Tandem Single Sideband Systems (OTSSB)

    Article • Institute of Electrical & Electronics Engineers (IEEE)

    Hairul Azhar Abdul Rashid

  156. Packet Based Echo Cancellation for Voice Over Internet Protocol

    Article • Institute of Electrical & Electronics Engineers (IEEE)

    Hairul Azhar Abdul Rashid

  157. Improving spectral efficiency in single subcarrier multiplexed systems by spectral overlapping using orthogonal carriers

    Article • Institute of Electrical & Electronics Engineers (IEEE)

    Hairul Azhar Abdul Rashid