Title :
High-speed, high-power and high-efficiency photodiodes with evanescently coupled graded-index waveguide
Author :
Takeuchi, T. ; Nakata, T. ; Makita, K. ; Yamaguchi, M.
Author_Institution :
Opto-Electron. Device Res. Labs., NEC Corp., Ibaraki, Japan
fDate :
5/25/2000 12:00:00 AM
Abstract :
Evanescently coupled pin photodiodes with a high external efficiency of 0.71 A/W obtained as a result of the graded index configuration of the waveguide have been developed. A bandwidth of >40 GHz has been demonstrated up to an average photocurrent of 10 mA.
Keywords :
gradient index optics; 10 mA; 40 GHz; average photocurrent; evanescently coupled graded-index waveguide; evanescently coupled pin photodiodes; graded index configuration; high external efficiency; high-speed high-power high-efficiency photodiodes;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:20000688
