Line narrowing and wavelength stabilization in a tunable Er-Yb fiber ring laser with an Er twin-core fiber

Jiri Kanka; Pavel Honzatko; Pavel Peterka; Ivan Kasik; Vlastimil Matejec

doi:10.1117/12.373645

29 December 1999 Line narrowing and wavelength stabilization in a tunable Er-Yb fiber ring laser with an Er twin-core fiber

Jiri Kanka, Pavel Honzatko, Pavel Peterka, Ivan Kasik, Vlastimil Matejec

Author Affiliations +

Proceedings Volume 4016, Photonics, Devices, and Systems; (1999) https://doi.org/10.1117/12.373645
Event: Photonics Prague '99, 1999, Prague, Czech Republic

Abstract

We propose and demonstrate experimentally that an Er-doped twin-core fiber (ErTCF) can be employed as a tracking narrow-band filter in tunable fiber ring lasers for line narrowing and wavelength stabilization. The partial separation of the light paths for different wavelengths in the ErTCF coupler mimics the saturable absorption with inhomogeneous broadening. The slow erbium ion saturation dynamics prevents wavelength hopping while it enables the filter to track the operation wavelength when the laser is tuned. The operation of the deice is improved by utilizing the inherent filtering effect of a twin-core coupler.

Citation Download Citation

Jiri Kanka, Pavel Honzatko, Pavel Peterka, Ivan Kasik, and Vlastimil Matejec "Line narrowing and wavelength stabilization in a tunable Er-Yb fiber ring laser with an Er twin-core fiber", Proc. SPIE 4016, Photonics, Devices, and Systems, (29 December 1999); https://doi.org/10.1117/12.373645

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