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Published February 1, 2000 | public
Journal Article Open

Laser phase noise to intensity noise conversion by lowest-order group-velocity dispersion in optical fiber: exact theory

Abstract

An exact result for the spectral density of intensity variations that occur after propagation of ergodic light in a medium having lowest-order-only group-velocity dispersion is obtained and applied to the problem of semiconductor laser phase noise to intensity noise conversion in a single-mode optical fiber. It is shown that the intensity spectrum after propagation formally approaches, for a large laser linewidth or a long (or high-dispersion) fiber, the intensity spectrum of a thermal source having the same line shape as the laser.

Additional Information

© Copyright 2000 Optical Society of America. Received September 10, 1999. This work was supported by the U.S. Office of Naval Research, the Defense Advanced Research Projects Agency, and the U.S. Air Force Office of Scientific Research under grant N00014-91-J-1195.

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