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1 September 1996 Timing jitter reduction of a gain-switched semiconductor laser by external injection-seeding
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Proceedings Volume 2778, 17th Congress of the International Commission for Optics: Optics for Science and New Technology; 27788I (1996) https://doi.org/10.1117/12.2315995
Event: 17th Congress of the International Commission for Optics: Optics for Science and New Technology, 1996, Taejon, Korea, Republic of
Abstract
Ultra-short optical pulse generation from gain-switched semiconductor lasers is important for applications such as time-division multiplexed optical communication systems, optical sampling, and soliton generation. Considerable research interest has been focused on reducing pulse widths to sub-picosecond levels. However, as the pulse width is made shorter, pulse-to-pulse timing jitter becomes important and can limit system performance, through such parameters as bit error rate and temporal resolution. Recent work shows that self or, external injection-seeding reduces timing jitter in gain-switched Fabry-Perot (FP) lasers.1,2 We report an experimental investigation of the impact of external seeding on timing jitter in gain-switched FP and distributed feedback (DFB) lasers and show that the timing jitter can be greatly reduced by external injection-seeding with continuous (CW) light, regardless of the laser structure, i.e., FP or DFB. We also show that there exists an optimum seeding power to obtain short pulses with low timing jitter.
© (1996) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Dong-sun Seo "Timing jitter reduction of a gain-switched semiconductor laser by external injection-seeding", Proc. SPIE 2778, 17th Congress of the International Commission for Optics: Optics for Science and New Technology, 27788I (1 September 1996); https://doi.org/10.1117/12.2315995
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