Optical fiber laser and a method of locking a combined mode util

Details Optical fiber laser and a method of locking a combined mode util Optical fiber laser and a method of locking a combined mode util

1997-11-17

1999-12-07

Ngo, Hung N.

Coherent light generators

Optical fiber laser

372 22, 372 18, 385 24, H01S 330

Patent

active

059995459

ABSTRACT:
The present invention discloses an optical fiber laser and a method of harmonic mode locking utilizing the optical fiber laser, which is capable of locking a harmonic frequency occurred by inserting an optical modulator between a Faraday rotator mirror and a non-linear amplifying loop mirror to coincide the frequency component of the optical modulator with the frequency component of the longitudinal mode of the laser. In order to achieve the object of the present invention, it comprises an optical fiber laser which comprises a non-linear amplifying loop mirror, a linear mirror and an optical fiber directional coupler or fiber coupler.

REFERENCES:
patent: 5359612 (1994-10-01), Dennis et al.
patent: 5414725 (1995-05-01), Fermann et al.
patent: 5577057 (1996-11-01), Frisken
A. B. Grudinin et al., "Passive harmonic modelocking of a fibre soliton ring laser", Electronics Letters, Oct. 14, 1993, vol. 29, No. 21, pp. 1860-1861.

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