Real-world distributed-feedback lasers: measured, modeled, and applied to CATV

David A. Ackerman; L. M. Zhang; Paul A. Morton; Gleb E. Shtengel; J. A. Sheridan

doi:10.1117/12.238995

1 May 1996 Real-world distributed-feedback lasers: measured, modeled, and applied to CATV

David A. Ackerman, L. M. Zhang, Paul A. Morton, Gleb E. Shtengel, J. A. Sheridan

Proceedings Volume 2693, Physics and Simulation of Optoelectronic Devices IV; (1996) https://doi.org/10.1117/12.238995
Event: Photonics West '96, 1996, San Jose, CA, United States

Abstract

Distributed feedback (DFB) lasers are used extensively as optical sources within fiber optic telecommunications systems. These semiconductor lasers are valued for their single optical mode operation which enables their use in high bit rate digital and broadband analog transmission systems. We discuss requirements imposed upon DFB lasers used in such applications. We briefly review and illustrate general techniques for modeling DFB laser operation by comparison of measured and modeled device characteristics below and above lasing threshold. We focus on the phenomenon of spatial hole burning which substantially affects operation of all DFB lasers, especially those tailored to produce high fiber coupled power from a single mirror facet. We illustrate insights gained by measurement and modeling of DFB lasers using as an example the particular case of analog transmission of multichannel video signals.

Citation Download Citation

David A. Ackerman, L. M. Zhang, Paul A. Morton, Gleb E. Shtengel, and J. A. Sheridan "Real-world distributed-feedback lasers: measured, modeled, and applied to CATV", Proc. SPIE 2693, Physics and Simulation of Optoelectronic Devices IV, (1 May 1996); https://doi.org/10.1117/12.238995

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