Title :
Simultaneous formation of spot-size converters and photodiode waveguides to 90° hybrid for compact coherent receiver by selective regrowth
Author :
Inoue, Naoko ; Yagi, Hideki ; Masuyama, Ryuji ; Onishi, Y. ; Kikuchi, Takashi ; Katsuyama, Tomokazu ; Yoneda, Yoshihiro ; Shoji, Hajime
Author_Institution :
Transm. Devices R & D Labs., Sumitomo Electr. Ind., Ltd., Yokohama, Japan
Abstract :
We demonstrated new cost-effective simultaneous formation method of spot-size converters and photodiode waveguides to 90° hybrid using a single selective regrowth. It simplifies the integration process, which provides both low dark current and high responsivity for a coherent receiver.
Keywords :
integrated optics; optical fabrication; optical receivers; optical waveguides; photodiodes; GaInAsP; InP; compact coherent receiver; integration process; low dark current; photodiode waveguide; selective regrowth; spot size converter; Couplings; Dark current; Optical coupling; Optical device fabrication; Optical waveguides; Photodiodes; Receivers;
Conference_Titel :
Photonics Conference (IPC), 2013 IEEE
Conference_Location :
Bellevue, WA
Print_ISBN :
978-1-4577-1506-8
DOI :
10.1109/IPCon.2013.6656465
