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Optical Engineering

Low-cost dual-wavelength optical subassembly for fiber optic applications
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Paper Abstract

A dual-wavelength optical subassembly (OSA) using a typical glass-sealed transistor outline-can (TO-CAN) package is presented. The proposed OSA has a simple structure and is sufficiently compact to integrate two optical channels in a single TO-CAN package. And the proposed OSA realizes the reduction in cost by reducing the number of parts and the laser welding process. The measurement results of 3 dB of bandwidth of the proposed dual-wavelength OSA are more than 4.5 GHz for transmitter module and more than 4.0 GHz for receiver module. The clear eye diagrams with more than 8.6 dB of the extinction ratio and less than −24.5  dBm of receiver minimum sensitivity at a bit error rate of 10−10 are obtained under 2.5  Gbit/s operations.

Paper Details

Date Published: 14 March 2012
PDF: 6 pages
Opt. Eng. 51(3) 035002 doi: 10.1117/1.OE.51.3.035002
Published in: Optical Engineering Volume 51, Issue 3
Show Author Affiliations
Kwon-Seob Lim, Electronics and Telecommunications Research Institute (Korea, Republic of)
Hyoung-Jun Park, Electronics and Telecommunications Research Institute (Korea, Republic of)
Young Soon Heo, Electronics and Telecommunications Research Institute (Korea, Republic of)
In Hee Shin, Electronics and Telecommunications Research Institute (Korea, Republic of)
Seihyoung Lee, Electronics and Telecommunications Research Institute (Korea, Republic of)
Hyun Seo Kang, Electronics and Telecommunications Research Institute (Korea, Republic of)


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