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- Title
Compact bidirectional optical subassembly vertically stacked with 1.25-Gbps transmitter and 10-Gbps receiver for passive optical networks.
- Authors
Jong Jin Lee; Kwon-Seob Lim; Seihyoung Lee; Hyun Seo Kang
- Abstract
A compact bidirectional optical subassembly (BOSA) for a 1.25/10-Gbps passive optical network is developed. A vertically stacked 1.25-Gbps transmitter based on a silicon optical bench, and a 10-Gbps receiver based on a low temperature cofired ceramic are implemented to realize low-cost manufacturing and miniaturization for single package application. The proposed BOSA delivers an extinction ratio more than 10 dB at 1.25-Gbps modulation, optical output coupling efficiency is more than 60, rise and fall time is under 300 ps, and the side mode suppression ratio is more than 35 dB for the transmitter part. For the receiver part, responsivity is more than 0.6 A/W, and sensitivity is lower than –17 dBm at a 10-Gbps bit error rate 10–12and –21 dBm at BER 10–3without forward error correction. The cross talk between receiver and transmitter is less than –53 dB up to 10 GHz, and optical isolation is 33 dB.
- Subjects
SILICON; LOW temperatures; CERAMIC engineering; MINIATURE electronic equipment; MODULATION spectroscopy; DATA transmission systems; RADIO transmitter-receivers; REACTION time
- Publication
Optical Engineering, 2010, Vol 49, Issue 11, p110501
- ISSN
0091-3286
- Publication type
Article
- DOI
10.1117/1.3506718