NDLI: Complex-coupled wavelength-selectable dfb laser source for coarse WDM

Content Provider	IEEE Xplore Digital Library
Author	Hong-yun Xie Jia Li Jun-ning Gan Pei Shen Yi-wen Huang Lu Huang Wan-rong Zhang Wei Wang
Copyright Year	2008
Description	Author affiliation: Coll. of Electron. Inf. & Control Eng., Beijing Univ. of Technol., Beijing, China (Hong-yun Xie; Jia Li; Jun-ning Gan; Pei Shen; Yi-wen Huang; Lu Huang; Wan-rong Zhang) \|\| Nat. Res. Center of Optoelectron. Technol., Chinese Acad. of Sci., Beijing, China (Wei Wang)
Abstract	A dual wavelength-selectable InGaAsP/InP distributed feedback (DFB) laser with a complex-coupled Bragg grating is presented. An n-doped reverse layer is buried periodically in the index-coupled Bragg grating, which causes a spatial modulation of the carrier concentration in the active region, and so induces the weak gain-coupled to the index-coupled grating. Two wavelengths of 1.51 um and 1.53 um are realized under different work conditions. The side mode suppression ratios (SMSRs) of both wavelengths reach 40 dB benefiting from the single-mode character of the complex-couple grating. This device can be used in coarse wavelength division multiplexer (CWDM) communication system as the light source because of its low-cost and convenience.
Starting Page	1013
Ending Page	1016
File Size	1818167
Page Count	4
File Format	PDF
ISBN	9781424421855
DOI	10.1109/ICSICT.2008.4734724
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2008-10-20
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Wavelength division multiplexing Quantum cascade lasers Bragg gratings Laser modes Light sources Optical materials Indium phosphide Distributed feedback devices Optical device fabrication Etching
Content Type	Text
Resource Type	Article

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