All Stories

  1. Near-infrared linewidth narrowing in plasmonic Fano-resonant metamaterials via tuning of multipole contributions

    Article • Applied Physics Letters, August 2017, American Institute of Physics

    Ranjan Singh

  2. Active control and switching of broadband electromagnetically induced transparency in symmetric metadevices

    Article • Frontiers in Human Neuroscience, July 2017, American Institute of Physics

    Ranjan Singh

  3. Hybrid Lead Halide Perovskites for Ultrasensitive Photoactive Switching in Terahertz Metamaterial Devices

    Article • Advanced Materials, June 2017, Wiley

    Ranjan Singh

  4. Magnetic annihilation of the dark mode in a strongly coupled bright–dark terahertz metamaterial

    Article • Optics Letters, May 2017, Optical Society of America (OSA)

    Ranjan Singh

  5. Perovskite as a Platform for Active Flexible Metaphotonic Devices

    Article • ACS Photonics, May 2017, American Chemical Society (ACS)

    Ranjan Singh

  6. Active Phase Transition via Loss Engineering in a Terahertz MEMS Metamaterial

    Article • Advanced Materials, May 2017, Wiley

    Ranjan Singh

  7. Active MEMS metamaterials for THz bandwidth control

    Article • Applied Physics Letters, April 2017, American Institute of Physics

    Ranjan Singh

  8. Sensing with toroidal metamaterial

    Article • Applied Physics Letters, March 2017, American Institute of Physics

    Ranjan Singh

  9. Microfluidic metamaterial sensor: Selective trapping and remote sensing of microparticles

    Article • Journal of Applied Physics, January 2017, American Institute of Physics

    Ranjan Singh

  10. Active Multifunctional Microelectromechanical System Metadevices: Applications in Polarization Control, Wavefront Deflection, and Holograms

    Article • Advanced Optical Materials, November 2016, Wiley

    Ranjan Singh

  11. Active control of electromagnetically induced transparency with dual dark mode excitation pathways using MEMS based tri-atomic metamolecules

    Article • Applied Physics Letters, November 2016, American Institute of Physics

    Ranjan Singh

  12. Active Photoswitching of Sharp Fano Resonances in THz Metadevices

    Article • Advanced Materials, November 2016, Wiley

    Ranjan Singh

  13. High-QPlasmonic Fano Resonance for Multiband Surface-Enhanced Infrared Absorption of Molecular Vibrational Sensing

    Article • Advanced Optical Materials, October 2016, Wiley

    Ranjan Singh

  14. Lattice-induced transparency in planar metamaterials

    Article • October 2016, American Physical Society (APS)

    Ranjan Singh

  15. Accessing the High-QDark Plasmonic Fano Resonances in Superconductor Metasurfaces

    Article • Advanced Optical Materials, August 2016, Wiley

    Ranjan Singh

  16. Sharp Toroidal Resonances in Planar Terahertz Metasurfaces

    Article • Advanced Materials, July 2016, Wiley

    Ranjan Singh

  17. Particle-trap array on metamaterial for selective detection in terahertz region

    Article • July 2016, Institute of Electrical & Electronics Engineers (IEEE)

    Ranjan Singh

  18. High-QWhispering-Gallery-Mode-Based Plasmonic Fano Resonances in Coupled Metallic Metasurfaces at Near Infrared Frequencies

    Article • Advanced Optical Materials, June 2016, Wiley

    Ranjan Singh

  19. Active control of near-field coupling in conductively coupled microelectromechanical system metamaterial devices

    Article • Applied Physics Letters, March 2016, American Institute of Physics

    Ranjan Singh

  20. Near-Field Inductive Coupling Induced Polarization Control in Metasurfaces

    Article • Advanced Optical Materials, March 2016, Wiley

    Ranjan Singh

  21. Tunable electromagnetically induced transparency in coupled three-dimensional split-ring-resonator metamaterials

    Article • Scientific Reports, February 2016, Nature

    Ranjan Singh

  22. Active Control of Electromagnetically Induced Transparency Analog in Terahertz MEMS Metamaterial

    Article • Advanced Optical Materials, January 2016, Wiley

    Ranjan Singh

  23. Reconfigurable Digital Metamaterial for Dynamic Switching of Terahertz Anisotropy

    Article • Advanced Optical Materials, December 2015, Wiley

    Ranjan Singh

  24. Ultrahigh-QFano Resonances in Terahertz Metasurfaces: Strong Influence of Metallic Conductivity at Extremely Low Asymmetry

    Article • Advanced Optical Materials, December 2015, Wiley

    Ranjan Singh

  25. A Tunable Dispersion-Free Terahertz Metadevice with Pancharatnam-Berry-Phase-Enabled Modulation and Polarization Control

    Article • Advanced Materials, September 2015, Wiley

    Ranjan Singh

  26. Multispectral terahertz sensing with highly flexible ultrathin metamaterial absorber

    Article • Journal of Applied Physics, August 2015, American Institute of Physics

    Ranjan Singh

  27. Fano Resonances in Terahertz Metasurfaces: A Figure of Merit Optimization

    Article • Advanced Optical Materials, August 2015, Wiley

    Ranjan Singh

  28. Dynamic mode coupling in terahertz metamaterials

    Article • Scientific Reports, June 2015, Nature

    Ranjan Singh

  29. Electromagnetically induced absorption in a three-resonator metasurface system

    Article • Scientific Reports, May 2015, Nature

    Ranjan Singh

  30. Tailoring the slow light behavior in terahertz metasurfaces

    Article • Applied Physics Letters, May 2015, American Institute of Physics

    Ranjan Singh

  31. Polarization Control in Terahertz Metasurfaces with the Lowest Order Rotational Symmetry

    Article • Advanced Optical Materials, April 2015, Wiley

    Ranjan Singh

  32. Ultra-high Q even eigenmode resonance in terahertz metamaterials

    Article • Applied Physics Letters, January 2015, American Institute of Physics

    Ranjan Singh

  33. Engineering the fano resonance and electromagnetically induced transparency in near-field coupled bright and dark metamaterial

    Article • Journal of Physics D Applied Physics, December 2014, Institute of Physics Publishing

    Ranjan Singh

  34. Metamaterial induced terahertz transparency and absorption

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

    Ranjan Singh

  35. Ultrasensitive terahertz sensing with high-Q Fano resonances in metasurfaces

    Article • Applied Physics Letters, October 2014, American Institute of Physics

    Ranjan Singh

  36. Efficient flat metasurface lens for terahertz imaging

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

    Ranjan Singh

  37. Active graphene-silicon hybrid metamaterial devices

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

    Ranjan Singh

  38. Special issue on mid-infrared and THz photonics

    Article • Journal of Optics, September 2014, Institute of Physics Publishing

    Ranjan Singh

  39. Materials: Superconductor photonics

    Article • Nature Reports Climate Change, September 2014, Nature

    Ranjan Singh

  40. Probing the transition from an uncoupled to a strong near-field coupled regime between bright and dark mode resonators in metasurfaces

    Article • Applied Physics Letters, August 2014, American Institute of Physics

    Ranjan Singh

  41. Highly flexible broadband terahertz metamaterial quarter-wave plate

    Article • Laser & Photonics Review, March 2014, Wiley

    Ranjan Singh

  42. Near Field Coupling in Passive and Active Terahertz Metamaterial Devices

    Article • IEEE Transactions on Terahertz Science and Technology, November 2013, Institute of Electrical & Electronics Engineers (IEEE)

    Ranjan Singh

  43. A Metamaterial-Based Terahertz Low-Pass Filter With Low Insertion Loss and Sharp Rejection

    Article • IEEE Transactions on Terahertz Science and Technology, November 2013, Institute of Electrical & Electronics Engineers (IEEE)

    Ranjan Singh

  44. Novel THz Metamaterial Designs: From Near- and Far-Field Coupling to High-Q Resonances

    Article • IEEE Transactions on Terahertz Science and Technology, November 2013, Institute of Electrical & Electronics Engineers (IEEE)

    Ranjan Singh

  45. A perfect metamaterial polarization rotator

    Article • Applied Physics Letters, October 2013, American Institute of Physics

    Ranjan Singh

  46. Nonlinear high-temperature superconducting terahertz metamaterials

    Article • New Journal of Physics, October 2013, Institute of Physics Publishing

    Ranjan Singh

  47. Influence of film thickness in THz active metamaterial devices: A comparison between superconductor and metal split-ring resonators

    Article • Applied Physics Letters, August 2013, American Institute of Physics

    Ranjan Singh

  48. Ultrafast manipulation of near field coupling between bright and dark modes in terahertz metamaterial

    Article • Applied Physics Letters, January 2013, American Institute of Physics

    Ranjan Singh

  49. Metamaterial inspired terahertz devices: from ultra-sensitive sensing to near field manipulation

    Article • Chinese Optics Letters, January 2013, Shanghai Institute of Optics and Fine Mechanics

    Ranjan Singh

  50. Excitation of a high-Q subradiant resonance mode in mirrored single-gap asymmetric split ring resonator terahertz metamaterials

    Article • Applied Physics Letters, August 2012, American Institute of Physics

    Ranjan Singh

  51. Low-loss ultra-high-Q dark mode plasmonic Fano metamaterials

    Article • Optics Letters, August 2012, Optical Society of America (OSA)

    Ranjan Singh

  52. Photoinduced handedness switching in terahertz chiral metamolecules

    Article • Nature Communications, July 2012, Nature

    Ranjan Singh

  53. Electromagnetically induced transparency in terahertz plasmonic metamaterials via dual excitation pathways of the dark mode

    Article • Applied Physics Letters, March 2012, American Institute of Physics

    Ranjan Singh

  54. Optical tuning and ultrafast dynamics of high-temperature superconducting terahertz metamaterials

    Article • Nanophotonics, January 2012, De Gruyter

    Ranjan Singh

  55. Dynamically reconfigurable terahertz metamaterial through photo-doped semiconductor

    Article • Applied Physics Letters, December 2011, American Institute of Physics

    Ranjan Singh

  56. An active hybrid plasmonic metamaterial

    Article • Optical Materials Express, December 2011, Optical Society of America (OSA)

    Ranjan Singh

  57. Observing metamaterial induced transparency in individual Fano resonators with broken symmetry

    Article • Applied Physics Letters, November 2011, American Institute of Physics

    Ranjan Singh

  58. A broadband planar terahertz metamaterial with nested structure

    Article • Optics Express, August 2011, Optical Society of America (OSA)

    Ranjan Singh

  59. Anomalous terahertz transmission in bow-tie plasmonic antenna apertures

    Article • Optics Letters, July 2011, Optical Society of America (OSA)

    Ranjan Singh

  60. Tailored resonator coupling for modifying the terahertz metamaterial response

    Article • Optics Express, May 2011, Optical Society of America (OSA)

    Ranjan Singh

  61. Manipulating the plasmon-induced transparency in terahertz metamaterials

    Article • Optics Express, April 2011, Optical Society of America (OSA)

    Ranjan Singh

  62. Thermal tunability in terahertz metamaterials fabricated on strontium titanate single-crystal substrates

    Article • Optics Letters, March 2011, Optical Society of America (OSA)

    Ranjan Singh

  63. Sharp Fano resonances in THz metamaterials

    Article • Optics Express, March 2011, Optical Society of America (OSA)

    Ranjan Singh

  64. Thin Substrates for Enhanced Metamaterial Sensing Applications

    Article • January 2011, Optical Society of America (OSA)

    Ranjan Singh

  65. Strong influence of packing density in terahertz metamaterials

    Article • Applied Physics Letters, December 2010, American Institute of Physics

    Ranjan Singh

  66. Tuning the Resonance in High-Temperature Superconducting Terahertz Metamaterials

    Article • Physical Review Letters, December 2010, American Physical Society (APS)

    Ranjan Singh

  67. Controlling metamaterial resonances via dielectric and aspect ratio effects

    Article • Applied Physics Letters, November 2010, American Institute of Physics

    Ranjan Singh

  68. Terahertz superconductor metamaterial

    Article • Applied Physics Letters, August 2010, American Institute of Physics

    Ranjan Singh

  69. Highly tunable optical activity in planar achiral terahertz metamaterials

    Article • Optics Express, June 2010, Optical Society of America (OSA)

    Ranjan Singh

  70. Asymmetric planar terahertz metamaterials

    Article • Optics Express, June 2010, Optical Society of America (OSA)

    Ranjan Singh

  71. Planar Terahertz Metamaterial at Cryogenic Temperatures

    Article • January 2010, Optical Society of America (OSA)

    Ranjan Singh

  72. Effective properties of terahertz double split-ring resonators at oblique incidence

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

    Ranjan Singh

  73. Terahertz metamaterial with asymmetric transmission

    Article • Physical Review B, October 2009, American Physical Society (APS)

    Ranjan Singh

  74. Analogue of electromagnetically induced transparency in a terahertz metamaterial

    Article • Physical Review B, October 2009, American Physical Society (APS)

    Ranjan Singh

  75. A close-ring pair terahertz metamaterial resonating at normal incidence

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

    Ranjan Singh

  76. Coupling between a dark and a bright eigenmode in a terahertz metamaterial

    Article • Physical Review B, February 2009, American Physical Society (APS)

    Ranjan Singh

  77. Effect of metal permittivity on resonant properties of terahertz metamaterials

    Article • Optics Letters, June 2008, Optical Society of America (OSA)

    Ranjan Singh

  78. Optically thin terahertz metamaterials

    Article • Optics Express, April 2008, Optical Society of America (OSA)

    Ranjan Singh

  79. Thin-film sensing with planar terahertz metamaterials: sensitivity and limitations

    Article • Optics Express, January 2008, Optical Society of America (OSA)

    Ranjan Singh