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http://dx.doi.org/10.3807/KJOP.2005.16.5.406

External Cavity Laser with a Tunable Chirped Fiber Bragg Grating for Adjusting the Number of Longitudinal Laser Mode  

Yook, Tae-Kyung (School of Information and Communications Engineering, SungKyunKwan University)
Lee, Kyung-Shik (School of Information and Communications Engineering, SungKyunKwan University)
Park, Manh-Yong (WDM Passive Optical Network Technology Team Electronics and Telecommunications Research Institute)
Kim, Byoung-Whi (WDM Passive Optical Network Technology Team Electronics and Telecommunications Research Institute)
Publication Information
Korean Journal of Optics and Photonics / v.16, no.5, 2005 , pp. 406-410 More about this Journal
Abstract
we propose an external cavity laser which can adjust the number of longitudinal laser mode by using a tunable chirped fiber. Bragg grating. By inducing a tunable temperature gradient in a uniform fiber Bragg grating, the bandwidth of the unform fiber Bragg grating can be tuned. With the chirped fiber Bragg grating as an external reflector of the external cavity laser, the number of longitudinal laser mode was able to be tuned from one to two or three modes.
Keywords
Gratings; External cavity laser;
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