期刊
IEEE PHOTONICS TECHNOLOGY LETTERS
卷 29, 期 12, 页码 1035-1038出版社
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/LPT.2017.2702568
关键词
Semiconductor lasers; optoelectronics
资金
- National High-Tech Research and Development Program of China [2013AA014401]
- National Science and Technology Major Project of China [2015ZX03001021]
- National Natural Science Foundation of China [61377038]
We report the latest development in tunable transmitter optical sub-assembly (TOSA) and small form-factor pluggable (SFP) transceivers based on simple and compact V-cavity laser (VCL), aiming for low-cost deployment in metro, access, and data center networks. The VCL employs a half-wave coupler to achieve high side-mode suppression ratio (SMSR) and the Vernier effect to achieve a wide wavelength tuning range. Full C-band tuning from 1529.55- to 1566.31-nm with SMSR above 36 dB is demonstrated. Since the laser does not involve any grating or epitaxial regrowth, and has a simple tuning algorithm, it allows simpler processes for fabrication and testing as compared with other widely tunable laser structures. Compact TOSAs and SFP transceiver modules have been developed for full C-band tuning with up to 93 channels at 50 GHz spacing. Transmission experiments are carried out for direct modulation with data rates from 2.5 to 8.5 Gbps. The results of reliability tests of the modules are also presented.
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