A C2H2 frequency-stabilized erbium-doped fiber laser and its application to coherent communication

Masato Yoshida; Keisuke Kasai; Jumpei Hongo; Masataka Nakazawa

doi:10.1117/12.714489

15 February 2007 A C₂H₂ frequency-stabilized erbium-doped fiber laser and its application to coherent communication

Masato Yoshida, Keisuke Kasai, Jumpei Hongo, Masataka Nakazawa

Proceedings Volume 6453, Fiber Lasers IV: Technology, Systems, and Applications; 645311 (2007) https://doi.org/10.1117/12.714489
Event: Lasers and Applications in Science and Engineering, 2007, San Jose, California, United States

Abstract

We have described a frequency-stabilized, polarization-maintained erbium fiber ring laser. This laser has no frequency modulation at the output beam. A tunable single-mode laser has also been newly developed by simultaneously controlling a tunable FBG with a 1.5 GHz bandwidth and a PZT in the cavity. The frequency stability reached as high as 1.3 x 10^-11 for an integration time of 1 s and the linewidth was as narrow as 4 kHz. Using this coherent laser as a light source, we successfully transmitted a 20 Msymbol/s coherent quadrature amplitude modulation (QAM) signal over 525 km and achieved error free transmission.

Citation Download Citation

Masato Yoshida, Keisuke Kasai, Jumpei Hongo, and Masataka Nakazawa "A C₂H₂ frequency-stabilized erbium-doped fiber laser and its application to coherent communication", Proc. SPIE 6453, Fiber Lasers IV: Technology, Systems, and Applications, 645311 (15 February 2007); https://doi.org/10.1117/12.714489

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