Multiwavelength fiber laser sources for fiberoptic networks

Details Multiwavelength fiber laser sources for fiberoptic networks Multiwavelength fiber laser sources for fiberoptic networks

1997-08-29

1999-06-08

Lee, John D.

Coherent light generators

Optical fiber laser

372 23, 372 71, 372 97, 385 24, H01S 307

Patent

active

059109629

ABSTRACT:
The present invention provides for multiple wavelength laser sources. The laser source has a pumping laser generating output at a wavelength, typically below 1500 nm, and a plurality of DBR fiber lasers or DFB fiber lasers, each having an output which is centered at a selected wavelength in the 1550 nm range. The fiber lasers are connected to the pumping laser such that the output light from said first pumping laser provides lasing energy for each of said fiber lasers. The fiber lasers may be connected serially or in series to each other. An optical fiber amplifier may be connected to the output of the serially-connected fiber lasers, or to the output of each one of the parallel-connected fiber lasers, to amplify the output from the fiber lasers so that the pumping laser provides energy for both the fiber lasers and the optical fiber amplifier.

REFERENCES:
patent: 5524118 (1996-06-01), Kim et al.
patent: 5564832 (1996-10-01), Ball et al.
patent: 5600665 (1997-02-01), Minden et al.
Agrawal, Nonlinear Fiber Optics, Second Edition, Chapter 12, pp. 539-540,
Ball et al., "Nd.sup.3+ Fiber Laser Utilising Intra-Core Bragg Reflectors," Electronics Letters (Oct. 1990) 26:1829-1830.
Kashyap et al., "All-Fiber Narrowband Reflection Gratings at 1500 nm," Electronics Letters (May 1990) 26:730-731.
Ball et al., "Standing-Wave Monomode Erbium Fiber Laser," IEEE Photonics Technology Letters (Jul. 1991) vol.: 613-615.
Sejka et al., "Distributed feedback Er.sup.3+ -doped fibre laser," Electronics Letters (Aug. 1995) 31:1445-1446.

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