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Journal Article
Development of Packaging Technologies for High-Speed ($≫40$Gb/s) Optical Modules
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- Authors
- Kwang Seong Choi, Yong Hwan Kwon, Joong Seon Choe, Yong Duck Chung, Young Shik Kang, Je Ha Kim, Byoung Tae Ahn, Jong Tae Moon
- Issue Date
- 2006-09
- Citation
- IEEE Journal of Selected Topics in Quantum Electronics, v.12, no.5, pp.1017-1023
- ISSN
- 1077-260X
- Publisher
- IEEE
- Language
- English
- Type
- Journal Article
- Abstract
- We developed high-speed optoelectronics packaging technologies for a waveguide photodiode and a traveling wave electro-absorption modulator device for 40-Gb/s digital communication systems. The effects of the device and the packaging designs on the broadband performance were investigated to optimize broadband characteristics. For the receiver, inductive peaking was used for bandwidth control and an internal bias tee was implemented; in addition, two types of preamplifier devices were used to develop high-gain receiver and wide-bandwidth receiver. In the optical-to-electrical response, a 3-dB bandwidth of the high-gain module was about 32 GHz as compared to 42 GHz for the wide-bandwidth module. The clear 40-Gb/s nonreturn-to-zero (NRZ) eye diagrams showed a good system applicability of these modules. In addition, an optimized modulator module showed a 3-dB bandwidth of 38 GHz in the electrical-to-optical response, an electrical return loss of less than 10 dB at up to 26 GHz, an rms jitter of 1.832 ps, and an extinction ratio of 5.38 dB in a 40-Gb/s NRZ eye diagram. © 2006 IEEE.
- KSP Keywords
- 3-dB bandwidth, 38 GHz, 6 GHz, Bandwidth control, Electrical response, Eye Diagram, High Speed, Inductive peaking, Optical module, Optoelectronics packaging, Return loss(RL)