Coherent light generators – Optical fiber laser
Patent
1997-10-09
1999-08-10
Davie, James W.
Coherent light generators
Optical fiber laser
372 27, 372 97, H01S 330
Patent
active
059369809
ABSTRACT:
Laser apparatus for delivering optical power to an output port comprises first and second fiber lasers having at least partially overlapping cavity resonators. In one state the lasers are phase locked; in another they are not. An intracavity polarization transformer (e.g., a polarization modulator or a segment of PMF) determines the phase state of the apparatus. In each state the reflectivity of a reflector common to the lasers determines the amount of optical power which is delivered to the output port. In one embodiment the apparatus has a plurality of output ports to which separate utilization devices are coupled. The phase state of the lasers and the reflectivity of the common reflector determines how the optical power is allocated among the devices.
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N.M. Lyndin et al., "Laser system composed of several active elements connected by single-mode couplers", Quantum Electronics, vol. 24, No. 12, pp. 1058-1061 (1994), (No month).
Espindola Rolando Patricio
Inniss Daryl
Wagener Jefferson Lynn
Davie James W.
Lucent Technologies - Inc.
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