All Stories

  1. Low cutoff G.657-compatible fibers for data center interconnects operating in the 1064 and 1310 nm windows

    Article • February 2020, SPIE

    Ph. D. Ewa Simpanen

  2. 1060 nm Single-Mode VCSEL and Single-Mode Fiber Links for Long-Reach Optical Interconnects

    Article • Journal of Lightwave Technology, July 2019, Institute of Electrical & Electronics Engineers (IEEE)

    Ph. D. Ewa Simpanen

  3. VCSEL modulation speed: status and prospects

    Article • March 2019, SPIE

    Ph. D. Ewa Simpanen

  4. Error-Free 100Gbps PAM-4 Transmission over 100m OM5 MMF using 1060nm VCSELs

    Article • January 2019, Optical Society of America (OSA)

    Ph. D. Ewa Simpanen

  5. Long-Reach 1060 nm SM VCSEL - SMF Optical Interconnects

    Article • September 2018, Institute of Electrical & Electronics Engineers (IEEE)

    Ph. D. Ewa Simpanen

  6. Pre-emphasis enabled 50 Gbps transmission over 1000 m SMF using a 1060 nm single-mode VCSEL

    Article • Electronics Letters, August 2018, the Institution of Engineering and Technology (the IET)

    Ph. D. Ewa Simpanen, Anders Larsson

  7. 1060 nm VCSELs for long-reach optical interconnects

    Article • Optical Fiber Technology, August 2018, Elsevier

    Ph. D. Ewa Simpanen

  8. High-speed VCSELs for OOK and multilevel PAM modulation

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

    Ph. D. Ewa Simpanen

  9. 1060 nm Single and multimode VCSELs for up to 50 Gb/s modulation

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

    Ph. D. Ewa Simpanen

  10. increased wavelength VCSELs reach out

    Article • Electronics Letters, June 2017, the Institution of Engineering and Technology (the IET)

    Ph. D. Ewa Simpanen

  11. VCSEL modulation capacity: Continued improvements or physical limits?

    Article • June 2017, Institute of Electrical & Electronics Engineers (IEEE)

    Ph. D. Ewa Simpanen

  12. A 1060 nm VCSEL is successfully used to transmit data over multi-mode fiber at 50 Gb/s

    Article • Electronics Letters, May 2017, the Institution of Engineering and Technology (the IET)

    Mr Erik Haglund, Mr Emanuel P. Haglund, Anders Larsson, Ph. D. Ewa Simpanen

  13. VCSEL design and integration for high-capacity optical interconnects

    Article • February 2017, SPIE

    Ph. D. Ewa Simpanen