Abstract

Fiber Bragg grating–based, 511 chip, $500\mathrm{Gchip}∕\mathrm{s}$ encoders–decoders are experimentally demonstrated by the reconstruction equivalent-chirp (REC) method. Encoding–decoding efficiency close to the theoretical value is achieved. Without any real phase shifts, the encoders–decoders are fabricated by use of the traditional setup. Highly precise phase control requires only submicrometer precision. The encoding–decoding performance can be further improved by REC-based correction.

© 2006 Optical Society of America

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