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C-band continuously tunable lasers using tunable fiber Bragg gratings

โœ Scribed by Shien-Kuei Liaw; Kuan-Luen Hung; Yi-Tseng Lin; Chia-Chin Chiang; Chow-Shing Shin

Publisher
Elsevier Science
Year
2007
Tongue
English
Weight
366 KB
Volume
39
Category
Article
ISSN
0030-3992

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โœฆ Synopsis

We report the development of a ring tunable fiber laser based on tunable fiber Bragg gratings (TFBG) integrated with an optical circulator. The TFBG is embedded inside a 3-piont bending device for wavelength tuning. The tunable laser operating in the C-band has power variation, tuning resolution, tuning range and laser line width of 70.5 dB, 0.5 nm, 25.0 nm and less than 0.05 nm, respectively. As 40 mW of pump power is used, the ring tunable laser has a side mode suppression ratio of 60 dB and a power conversion efficiency of 25%. These specifications ensure the high-quality operation of a tunable laser.

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