Miniaturized bidirectional optical subassembly using silicon optical bench with 45-deg micro-reflectors in short-reach 40-Gbit/s optical interconnects

Chin-Ta Chen; Hsu-Liang Hsiao; Po-Kuan Shen; Guan-Fu Lu; Hsiao-Chin Lan; Yun-Chih Lee; Chia-Chi Chang; Jen-Yu Li; Ajay Nedle; Shou-Fu Chang; Yo-Shen Lin; Mount-Learn Wu

doi:10.1117/1.OE.51.11.115005

1 November 2012 Miniaturized bidirectional optical subassembly using silicon optical bench with 45-deg micro-reflectors in short-reach 40-Gbit/s optical interconnects

Chin-Ta Chen, Hsu-Liang Hsiao, Po-Kuan Shen, Guan-Fu Lu, Hsiao-Chin Lan, Yun-Chih Lee, Chia-Chi Chang, Jen-Yu Li, Ajay Nedle, Shou-Fu Chang, Yo-Shen Lin, Mount-Learn Wu

Author Affiliations +

Optical Engineering, Vol. 51, Issue 11, 115005 (November 2012). https://doi.org/10.1117/1.OE.51.11.115005

Abstract

The development of a 4-channel×10-Gbits/s optical interconnect module based on a silicon optical bench (SiOB) is presented. The 4-channel vertical-cavity surface-emitting laser (VCSEL) and photo diode (PD) arrays are flip-chip assembled onto the pedestals of SiOB using Au/Sn solder bumps to form an SiOB-based bi-directional optical sub-assembly (BOSA) configuration. The optical coupling of VCSEL-to-multi-mode fiber (MMF) and MMF-to-PD without adding coupled optics is -5.2 and -2 dB, respectively. The wide alignment tolerances of 1-dB power variation for the transmitting and receiver parts to be ±15 μm are achieved. The clearly open 10-Gbits/s eye patterns of transmitting part as well as the 10^-12-order bit error rate (BER) at the receiving part verify the proposed SiOB-based module is suitable for the application of 4-channel×10-Gbits/s optical interconnects.

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Chin-Ta Chen, Hsu-Liang Hsiao, Po-Kuan Shen, Guan-Fu Lu, Hsiao-Chin Lan, Yun-Chih Lee, Chia-Chi Chang, Jen-Yu Li, Ajay Nedle, Shou-Fu Chang, Yo-Shen Lin, and Mount-Learn Wu "Miniaturized bidirectional optical subassembly using silicon optical bench with 45-deg micro-reflectors in short-reach 40-Gbit/s optical interconnects," Optical Engineering 51(11), 115005 (1 November 2012). https://doi.org/10.1117/1.OE.51.11.115005

Published: 1 November 2012

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