Title :
Dual-illuminated parallel-fed traveling wave germanium photodetectors
Author :
Chia-Ming Chang ; Sinsky, Jeffrey H. ; Po Dong ; De Valicourt, Guilhem ; Young-Kai Chen
Author_Institution :
Bell Labs., Alcatel-Lucent, Holmdel, NJ, USA
Abstract :
We report 4-stage dual-illuminated Ge traveling wave photodetectors (TWPDs). Dual-illumination doubles the optical channels and boosts DC and RF power handling, resulting in a record figure-of-merit of an RF power-bandwidth area density of 0.66 mW-GHz/μm2.
Keywords :
elemental semiconductors; germanium; lighting; photodetectors; 4-stage dual-illuminated Ge traveling wave photodetector; DC power handling; Ge; RF power handling; RF power-bandwidth area density; TWPD; dual-illuminated parallel-fed traveling wave germanium photodetector; figure-of-merit; optical channel; High-speed optical techniques; Optical device fabrication; Optical mixing; Optical reflection; Optical saturation; Photoconductivity; Photodetectors;
Conference_Titel :
Optical Fiber Communications Conference and Exhibition (OFC), 2015
Conference_Location :
Los Angeles, CA
