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학술지 Verification of Hybrid-integrated 400-Gb/s (4 × 100 Gb/s) CWDM4 ROSA using a Bandwidth-improved Multilayer Board
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저자
강세경, 허준영, 송종태, 이준기
발행일
202010
출처
Optics Express, v.28 no.22, pp.33094-33105
ISSN
1094-4087
출판사
Optical Society of America (OSA)
DOI
https://dx.doi.org/10.1364/OE.405107
협약과제
20HH1500, [전문연구실] 초정밀 서비스 실현을 위한 On-Time·On-Rate 무선액세스 및 광에지 클라우드 네트워킹 핵심기술 개발, 고영조
초록
We have successfully demonstrated a hybrid-integrated 400-Gb/s (4 × 100 Gb/s) CWDM4 PAM-4 receiver optical sub-assembly (ROSA) with a bandwidth-improved multilayer evaluation board. The proposed ROSA offers packaging simplification through passive optical alignment assembly of main components. In addition, we have proposed a structure to mitigate the bandwidth limitation issue caused by the typical edge connector mounting on the multilayer board, when needed bandwidth exceeds ~20?꿆Hz. With the bandwidth-improved multilayer board, the 3-dB bandwidth of the ROSA was observed to be >35.7?꿆Hz and its receiver sensitivity was successfully measured to be <-10 dBm at FEC limit, bit error rate of 2.4e-4, for all channels.
KSP 제안 키워드
100 Gb/s, 3-dB bandwidth, 4-level pulse amplitude modulation(PAM-4), Bandwidth limitation, Bit Error Rate(And BER), Receiver Optical Sub-Assembly, multilayer board, passive optical alignment, receiver sensitivity