Spectral characteristics of long-wavelength two-segment multiquantum well distributed-feedback (DFB) lasers

Guo Ping Li; Toshi Makino

doi:10.1117/12.205271

23 March 1995 Spectral characteristics of long-wavelength two-segment multiquantum well distributed-feedback (DFB) lasers

Guo Ping Li, Toshi Makino

Author Affiliations +

Proceedings Volume 2402, Components for Wavelength Division Multiplexing; (1995) https://doi.org/10.1117/12.205271
Event: Photonics West '95, 1995, San Jose, CA, United States

Abstract

We have carefully observed on the spectral characteristics of two-segment 1.55 micrometers InGaAsP/InP ridge waveguide multi-quantum-well DFB lasers and found two types of wavelength switching. The first type occurs between the longitudinal-modes on the opposite sides of the DFB stopband, while the second type on the same side of the stopband. The physical mechanism is correlated to a slight difference of the effective grating period between the two inhomogeneously injected laser segments.

Citation Download Citation

Guo Ping Li and Toshi Makino "Spectral characteristics of long-wavelength two-segment multiquantum well distributed-feedback (DFB) lasers", Proc. SPIE 2402, Components for Wavelength Division Multiplexing, (23 March 1995); https://doi.org/10.1117/12.205271

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