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Proceedings Paper

40-Gbps high-sensitive waveguide photodetectors
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Paper Abstract

Two types of waveguide photodiodes (WG-PD) - an evanescently coupled photodiode (EC-PD) and a separated-absorption-and-multiplication avalanche photodiode (SAM-APD) - have been developed for use in 40-Gbps receivers. The EC-PD simultaneously exhibited high external responsivity of 0.96 A/W and wide bandwidth of >40 GHz. The SAM-APD showed wide bandwidth of 30-35 GHz and gain-bandwidth (GB) product of 140-180 GHz. High receiver sensitivities of -11.3 dBm at 43 Gbps and -19 dBm at 40 Gbps have been successfully achieved for the EC-PD and the SAM-APD, respectively.

Paper Details

Date Published: 2 December 2005
PDF: 8 pages
Proc. SPIE 6020, Optoelectronic Materials and Devices for Optical Communications, 602024 (2 December 2005); doi: 10.1117/12.636264
Show Author Affiliations
Toshitaka Torikai, Japan Aviation Electronics Industry, Ltd. (Japan)
Kikuo Makita, NEC Corp. (Japan)

Published in SPIE Proceedings Vol. 6020:
Optoelectronic Materials and Devices for Optical Communications
Shinji Tsuji; Jens Buus; Yi Luo, Editor(s)

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