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A Spatial-Spectral Holographic Correlator at 1536 nm using 30-Symbol BPSK and QPSK Codes Optimized for Secure Communications

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Abstract

Direct sequence spread spectrum is employed for non-centralized, multiple access, secure, coherent optical communication. Finding a family of phase codes with optimal correlation properties is challenging; processing them at multi-gigahertz rates is even more challenging.

© 1999 Optical Society of America

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