Wavelength-selectable fiber ring laser

Details Wavelength-selectable fiber ring laser Wavelength-selectable fiber ring laser

1998-05-14

2000-10-17

Font, Frank G.

Coherent light generators

Optical fiber laser

372 6, 356350, H01S 330

Patent

active

061342505

ABSTRACT:
A stable single-mode wavelength selectable ring laser operates at a single wavelength which is selectable from any channel passband of a multiple-channel wavelength multiplex/demultiplexer element (e.g., an arrayed waveguide grating router (AWGR)). A Fabry-Perot semiconductor optical amplifier (FP-SOA) is connected together with the AWGR to form a ring laser structure where the FP-SOA is used as an intra-cavity narrow-band mode-selecting filter to stabilize ring laser oscillation to a single axial mode. This is the first time that a FP-SOA is used in a fiber ring laser as a mode-selecting interferometer with gain.

REFERENCES:
K-Y. Liou, U. Koren, "A 24-channel wavelength-Selectable Er-fiber ring laser with intracavity wavelength-grating-router and semiconductor Fabry-Perot Filter", IEEE Photonic Technology Letter vol. 10, No. 12, Dec. 1998., pp. 1787-1789.
G. Eisentein and R.M. Jopson, "Measurement of the gain spectrum of near traveling wave and Fabry-Perot semiconductor optical amplifier", International Journal Electronics, 1986, vol. 60, No. 1 p. 113-121.
P.E. Bamsley and P.J. Fiddyment, "Wavelength Conversion from 1.3 to 1.5 using split contact optical amplifiers", IEEE Photonic Technology, Letter, vol. 3, No. 3, Mar. 1991., p. 256-58.
T. Keating, "Optical gain and refractive index of a laser amplifier in the presence of pump light for cross-gain and cross-phase modulation" IEEE Photonic Technology Letter, vol. 9, No. 10, Oct. 1997.
T. Miyazaki, N. Edagawa, S. Yamamodo, and S. Akiba, "A multiwavelength fiber ring-laser employing a pair of silica-based arrayed-waveguide-gratings," IEEE Photon. Technol. Lett., vol. 9, pp. 910-912, 1997.

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