Generation of efficient 20 GHz optical combs in a Brillouin-erbium fiber laser

Parvizi, R. and Shahabuddin, N.S. and Ali, N.M. and Harun, Sulaiman Wadi and Emami, S.D. and Vaseghi, B. and Ahmad, Harith (2013) Generation of efficient 20 GHz optical combs in a Brillouin-erbium fiber laser. Laser Physics, 23 (1). pp. 1-4. ISSN 1054-660X, DOI

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A tunable multiwavelength Brillouin-erbium fiber laser is experimentally demonstrated with a double-Brillouin-frequency spacing. This double-frequency shifter is constructed by incorporating a four-port circulator to isolate and circulate the odd-Stokes signals through the 10?km long non-zero dispersion shifted fiber, which acts as a Brillouin gain medium. The output even-order Stokes signals are amplified in the erbium gain block formed in a ring cavity. Up to 15 lasing lines with a wavelength spacing of 0.173?nm have been achieved at a 980?nm pump power of 50?mW and a Brillouin pump of 3?dB?m. The multiwavelength laser source exhibits a 10?nm tuning range from 1552 to 1562?nm with the optical signal-to-noise ratio of the desired output channels at around 34.5?dB.

Item Type: Article
Uncontrolled Keywords: 20 GHz optical combs; Brillouin-erbium fiber laser
Subjects: Q Science > QC Physics
T Technology > TK Electrical engineering. Electronics Nuclear engineering
Divisions: Faculty of Science > Department of Physics
Depositing User: Ms. Juhaida Abd Rahim
Date Deposited: 30 Oct 2015 01:36
Last Modified: 08 Apr 2019 05:00

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