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Proceedings Paper

A C2H2 frequency-stabilized erbium-doped fiber laser and its application to coherent communication
Author(s): Masato Yoshida; Keisuke Kasai; Jumpei Hongo; Masataka Nakazawa
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Paper 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.

Paper Details

Date Published: 15 February 2007
PDF: 9 pages
Proc. SPIE 6453, Fiber Lasers IV: Technology, Systems, and Applications, 645311 (15 February 2007); doi: 10.1117/12.714489
Show Author Affiliations
Masato Yoshida, Tohoku Univ. (Japan)
Keisuke Kasai, Tohoku Univ. (Japan)
Jumpei Hongo, Tohoku Univ. (Japan)
Masataka Nakazawa, Tohoku Univ. (Japan)

Published in SPIE Proceedings Vol. 6453:
Fiber Lasers IV: Technology, Systems, and Applications
Donald J. Harter; Andreas Tünnermann; Jes Broeng; Clifford Headley III, Editor(s)

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