Optical signal shaping device for complex spectral shaping appli

Details Optical signal shaping device for complex spectral shaping appli Optical signal shaping device for complex spectral shaping appli

1996-02-26

1998-06-09

Palmer, Phan T. H.

Optical waveguides

With optical coupler

Input/output coupler

385 27, 385 14, 385142, 372102, 359179, G02B 634

Patent

active

057648298

ABSTRACT:
The present invention provides an optical signal shaping device, such as a long period grating, for use with an optical fiber having a core of a first prescribed refractive index n.sub.1 and a cladding of a second prescribed refractive index n.sub.2 and configured to transmit an optical signal therethrough. The optical signal shaping device comprises a long period grating of predetermined length formed within the optical fiber. The long period grating has a nonuniform refractive index profile extending over at least a portion of the predetermined length and is configured to alter the optical signal to produce an asymmetrical optical signal.

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Paper entitled "Long Period Fiber Gratings as Gain Flattening and Laser Stabilizing Devices" by A.M. Vengsarkar, P.J. Lemaire, G. Jacobovits-Veselka, V. Bhatia and J.B. Judkins, in Proc. Tenth International Conference on Integrated Optics and Optical Communications, Jun. 26-30, 1995, Hong Kong.

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