Tunable dual-wavelength operation of an external cavity semiconductor laser

被引:16
|
作者
Zambon, Veronique [1 ]
Piche, Michel [1 ]
McCarthy, Nathalie [1 ]
机构
[1] Univ Laval, COPL, Dept Phys Genie Phys & Opt, Quebec City, PQ G1K 7P4, Canada
基金
加拿大自然科学与工程研究理事会;
关键词
holographic grating; chirped grating; semiconductor laser; tunable laser; dual-wavelength laser;
D O I
10.1016/j.optcom.2006.02.021
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
Tunable dual-wavelength operation of a laser diode has been achieved using a dual-period holographic element. The holographic element was positioned in Littrow configuration in an external cavity. The design of this holographic element was based on the superposition of a constant-period grating and a variable-period grating on the same location in a photoresist. We observed simultaneous emission at two wavelengths from a visible semiconductor laser operated with this holographic element. The spectral separation of the dual-wavelength output was varied from 0.76 to 6.27 nm by a simple translation of the holographic element. (c) 2006 Elsevier B.V. All rights reserved.
引用
收藏
页码:180 / 186
页数:7
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