@article{CTT100840190, author = {Moustafa Ahmed and Hameeda R Ibrahim and Fumio Koyama}, title = {Vertical‐Cavity Surface‐Emitting Lasers for Ultra‐High Speed Photonics}, journal = {International Journal of Nanoelectronics and Materials}, year = 2018, } @inproceedings{CTT100755465, author = {Ibrahim Hameeda Ragab and FUMIO KOYAMA and Moustafa Ahmed Hafez}, title = {Large Signal Modulation Analysis of High-speed Double Transverse Coupled Cavity VCSELs}, booktitle = {}, year = 2017, }