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Proceedings Paper

Novel method for stabilization in harmonically mode-locked erbium-doped fiber laser with external optical modulation by laser diode
Author(s): Van Hoi Pham; Duc Thinh Vu; Quoc Viet Tran; Chun-Ju Yuon; Yun Chur Chung
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Paper Abstract

A novel method to suppress noise in a high harmonically mode-locked erbium fiber laser with external optical modulator using DFB-laser diodes is presented. The DFB-diode laser played both roles as external-cavity modulator and as stabilizer. The driving frequency is of 2.5 GHz and the wavelength difference between DFB-diode laser emission and fiber laser dominant was adjusted in range of +/- 2 nm. The fiber laser modulation frequencies can be tunable at 2.5; 5 and 10 GHz by the adjusting an external laser diode modulation rounding 2.5 GHz +/- 66 KHz. A fiber laser so stabilized has enabled at 2.5 or 5 GHz remaining error free for more 4 hours with nearly transform-limited pulse width of 25-35 ps.

Paper Details

Date Published: 12 November 1999
PDF: 5 pages
Proc. SPIE 3896, Design, Fabrication, and Characterization of Photonic Devices, (12 November 1999); doi: 10.1117/12.370362
Show Author Affiliations
Van Hoi Pham, National Ctr. for Science and Technology of Vietnam (Vietnam)
Duc Thinh Vu, National Ctr. for Science and Technology of Vietnam (Vietnam)
Quoc Viet Tran, Vietnam Post and Telecommunication Inc. (Vietnam)
Chun-Ju Yuon, Korea Advanced Institute of Science and Technology (South Korea)
Yun Chur Chung, Korea Advanced Institute of Science and Technology (South Korea)


Published in SPIE Proceedings Vol. 3896:
Design, Fabrication, and Characterization of Photonic Devices
Marek Osinski; Soo-Jin Chua; Shigefusa F. Chichibu, Editor(s)

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