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Optics Letters

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  • Editor: Alan E. Willner
  • Vol. 35, Iss. 23 — Dec. 1, 2010
  • pp: 3880–3882

Design of a monolithic tunable laser based on equivalent-chirp grating reflectors

Yitang Dai, Kun Xu, Jian Wu, Yan Li, Xiaobin Hong, Hongxiang Guo, and Jintong Lin  »View Author Affiliations


Optics Letters, Vol. 35, Issue 23, pp. 3880-3882 (2010)
http://dx.doi.org/10.1364/OL.35.003880


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Abstract

A Vernier-tuned distributed Bragg reflector (DBR) semiconductor laser is an effective monolithic approach for wide wavelength tunability, at the expense, however, of costly electron-beam lithography during fabrication. In this Letter, a tunable laser design with equivalent-chirp based, flat-top envelope grating reflectors is proposed that can be implemented easily by conventional two-beam interference lithography. The principle is described, and a detailed design shows uniform output power ( 0.08 dB variation) and excellent side-mode suppression ratio ( 47 dB minimum) within a wide tuning range ( > 32 nm ) through numerical simulation.

© 2010 Optical Society of America

OCIS Codes
(140.3600) Lasers and laser optics : Lasers, tunable
(140.5960) Lasers and laser optics : Semiconductor lasers
(230.1480) Optical devices : Bragg reflectors

ToC Category:
Lasers and Laser Optics

History
Original Manuscript: September 3, 2010
Revised Manuscript: September 30, 2010
Manuscript Accepted: October 15, 2010
Published: November 18, 2010

Citation
Yitang Dai, Kun Xu, Jian Wu, Yan Li, Xiaobin Hong, Hongxiang Guo, and Jintong Lin, "Design of a monolithic tunable laser based on equivalent-chirp grating reflectors," Opt. Lett. 35, 3880-3882 (2010)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-35-23-3880


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