Novel method for stabilization in harmonically mode-locked erbium-doped fiber laser with external optical modulation by laser diode

Van Hoi Pham; Duc Thinh Vu; Quoc Viet Tran; Chun-Ju Yuon; Yun Chur Chung

doi:10.1117/12.370362

12 November 1999 Novel method for stabilization in harmonically mode-locked erbium-doped fiber laser with external optical modulation by laser diode

Van Hoi Pham, Duc Thinh Vu, Quoc Viet Tran, Chun-Ju Yuon, Yun Chur Chung

Author Affiliations +

Proceedings Volume 3896, Design, Fabrication, and Characterization of Photonic Devices; (1999) https://doi.org/10.1117/12.370362
Event: International Symposium on Photonics and Applications, 1999, Singapore, Singapore

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.

Citation Download Citation

Van Hoi Pham, Duc Thinh Vu, Quoc Viet Tran, Chun-Ju Yuon, and Yun Chur Chung "Novel method for stabilization in harmonically mode-locked erbium-doped fiber laser with external optical modulation by laser diode", Proc. SPIE 3896, Design, Fabrication, and Characterization of Photonic Devices, (12 November 1999); https://doi.org/10.1117/12.370362

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