Dispersive-grating distributed feedback lasers | Zendy

Yanping Xi | Zendy; Xun Li | Zendy; Seyed M. Sadeghi | Zendy; WeiPing Huang | Zendy

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Dispersive-grating distributed feedback lasers

Author(s) -

Yanping Xi,

Xun Li,

Seyed M. Sadeghi,

WeiPing Huang

Publication year - 2008

Publication title -

optics express

Language(s) - Uncategorized

Resource type - Journals

SCImago Journal Rank - 1.394

H-Index - 271

ISSN - 1094-4087

DOI - 10.1364/oe.16.010809

Subject(s) - optics , lasing threshold , grating , distributed feedback laser , laser , coupling (piping) , materials science , semiconductor laser theory , wavelength , tunable laser , diffraction grating , optoelectronics , physics , metallurgy

This paper proposed a novel distributed feedback (DFB) laser by incorporating a dispersive grating, whose coupling strength is dependent on the operating wavelength. Analysis of the laser threshold conditions shows that the proposed structure guarantees single-mode operation due to the inherent threshold gain discrimination on the two otherwise degenerated lasing modes.

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