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Proceedings Paper

Static properties of widely tunable external cavity semiconductor laser with sampled fiber grating
Author(s): Xiaoying He; Yonglin Yu; Dexiu Huang; D. N. Wang
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Paper Abstract

Widely tunable external cavity semiconductor lasers with sampled fiber gratings are investigated. Their static properties, such as threshold gain, tuning characteristic, emitting light spectrum, and side mode suppression ratio, have been simulated and discussed by a combined theoretical model, which is developed to match experimental results. Up to thirteen tunable channels can be obtained in this laser with high side-mode suppression ratios by tuning the injection current of the passive phase control section. With the decrease of AR-coating reflectivity, the narrow line-widths, wide tuning range, and high threshold gain in those tunable external cavity semiconductor lasers have been presented.

Paper Details

Date Published: 12 December 2007
PDF: 9 pages
Proc. SPIE 6782, Optoelectronic Materials and Devices II, 67821F (12 December 2007); doi: 10.1117/12.741775
Show Author Affiliations
Xiaoying He, Huazhong Univ. of Science and Technology (China)
Hong Kong Polytechnic Univ. (Hong Kong China)
Yonglin Yu, Huazhong Univ. of Science and Technology (China)
Dexiu Huang, Huazhong Univ. of Science and Technology (China)
D. N. Wang, Hong Kong Polytechnic Univ. (Hong Kong China)


Published in SPIE Proceedings Vol. 6782:
Optoelectronic Materials and Devices II
Yoshiaki Nakano, Editor(s)

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