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Type: Artigo de periódico
Title: High-performance Heterodyne Optical Injection Phase-lock Loop Using Wide Linewidth Semiconductor Lasers
Author: Walton C.
Bordonalli A.C.
Seeds A.J.
Abstract: The requirements for narrow linewidth lasers or short-loop propagation delay limit optical phase-lock loop realizability with semiconductor lasers. Although optical injection locking can provide low-phase-error variance, its locking range is limited by stability considerations. The first experimental results for an heterodyne optical injection phase-lock loop are reported. Phase-error variance as low as 0.003 rad 2 in a bandwidth of 100 MHz, single-sideband (SSB) noise density of -94 dBc/Hz at 10-kHz offset and mean time to cycle slip of 3 × 10 10 s have been achieved using DFB lasers of 36-MHz summed linewidth, a loop propagation delay of 20 ns and an injection ratio of -30 dB.
Rights: fechado
Identifier DOI: 10.1109/68.661432
Date Issue: 1998
Appears in Collections:Unicamp - Artigos e Outros Documentos

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