Highly alignment tolerant and high-sensitivity 100Gb/s (4 × 25Gb/s) APD-ROSA with a thin-film filter-based de-multiplexer

We investigate and demonstrate a 100-Gb/s (4x25-Gb/s) receiver optical sub-assembly (ROSA) based on avalanche photodiodes and a thin-film filter-based de-multiplexer. The overall alignment tolerances of the ROSA are relaxed to have larger than ± 25 μm by improving optical coupling structure. The rec...

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Bibliographic Details
Published in:Optics express 2016-11, Vol.24 (24), p.27104-27114
Main Authors: Huh, Joon Young, Kang, Sae-Kyoung, Lee, Jie Hyun, Lee, Joon Ki, Kim, SunMe
Format: Article
Language:English
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Summary:We investigate and demonstrate a 100-Gb/s (4x25-Gb/s) receiver optical sub-assembly (ROSA) based on avalanche photodiodes and a thin-film filter-based de-multiplexer. The overall alignment tolerances of the ROSA are relaxed to have larger than ± 25 μm by improving optical coupling structure. The receiver sensitivity of each lane is also measured to be less than -22.2 dBm, a record minimum to our knowledge, at the bit error ratio of 10 for 25.78-Gb/s NRZ signal.
ISSN:1094-4087
1094-4087
DOI:10.1364/OE.24.027104