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Journal of Lightwave Technology

Journal of Lightwave Technology

| A JOINT IEEE/OSA PUBLICATION

  • Vol. 26, Iss. 15 — Aug. 1, 2008
  • pp: 2584–2593

Bandwidth Enhancement by Master Modulation of Optical Injection-Locked Lasers

Erwin K. Lau, Liang Jie Wong, Xiaoxue Zhao, Young-Kai Chen, Connie J. Chang-Hasnain, and Ming C. Wu

Journal of Lightwave Technology, Vol. 26, Issue 15, pp. 2584-2593 (2008)


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Abstract

In normal injection-locked semiconductor lasers, the modulation signals are applied to the slave laser. In this paper, we show that modulating the master light before injection exhibits distinctive modulation dynamics and frequency response. We first present a detailed theoretical model and simulation results. Experimentally, we have successfully demonstrated both master amplitude and master phase modulation. The resulting 3-dB bandwidths have been enhanced by up to three times, exceeding 50 GHz. The resonance frequency of the combined lasers is greater than 100 GHz.

© 2008 IEEE

Citation
Erwin K. Lau, Liang Jie Wong, Xiaoxue Zhao, Young-Kai Chen, Connie J. Chang-Hasnain, and Ming C. Wu, "Bandwidth Enhancement by Master Modulation of Optical Injection-Locked Lasers," J. Lightwave Technol. 26, 2584-2593 (2008)
http://www.opticsinfobase.org/jlt/abstract.cfm?URI=jlt-26-15-2584

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