Article comprising an improved cascaded optical fiber Raman devi

Details Article comprising an improved cascaded optical fiber Raman devi Article comprising an improved cascaded optical fiber Raman devi

1998-02-23

1999-10-12

Palmer, Phan T. H.

Optical waveguides

With optical coupler

Particular coupling function

385 37, 385 31, 385 24, 372 3, 372 6, 372 99, 359334, 359341, G02B 626

Patent

active

059664800

ABSTRACT:
The performance of optical fiber Raman devices can be increased by substitution of a broadband reflector (typically a multilayer dielectric mirror) for some of the narrowband reflectors (typically fiber Bragg gratings) that are conventionally used to define the optical cavities of the device. The device exemplarily is a Raman laser or amplifier, and in preferred embodiments a broadband reflector reflects all the Stokes-shifted wavelengths, such that the cavities are defined by the single broadband reflector and by a multiplicity of appropriately selected narrowband reflectors. Optionally the broadband reflector also serves to reflect the pump radiation.

REFERENCES:
patent: 5323404 (1994-06-01), Grubb
patent: 5623508 (1997-04-01), Grubb et al.
patent: 5815518 (1998-09-01), Reed et al.
patent: 5864644 (1999-01-01), DiGiovanni et al.
"Optical Fiber Telecommunications", S. E. Miller et al., editors, Academic Press, New York, 1979, p. 127.
D. J. DiGiovanni 39-6 patent application, Serial No. 08/897,195, filed Jul. 21, 1997.
W. A . Reed 8-5-13 patent application, Serial No. 08/871,023, filed Jun 6, 1997.

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