Journal
IEEE PHOTONICS TECHNOLOGY LETTERS
Volume 35, Issue 1, Pages 27-30Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/LPT.2022.3219774
Keywords
Coherent optics; network protection; optical frequency comb; optical injection locking; passive optical network
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This article proposes a novel network protection scheme that achieves mutual protection between adjacent P2MP coherent networks without complex switching or redundant devices. High system availability and fast service restoration are achieved by using coherent transceivers with remotely delivered optical carriers that are injection locked to an optical frequency comb. The functionality and performance of the system have been verified experimentally, and the mutual protection design has also been verified using commercially available coherent optics. The full-duplex design that features simultaneous bidirectional transmission using the same wavelength has also been tested in the coherent P2MP system.
We propose a novel network protection scheme that features mutual protection between adjacent P2MP coherent networks without requiring complex switching or redundant devices. High system availability and fast service restoration have been achieved by utilizing coherent transceivers with remotely delivered optical carriers that are injection locked to an optical frequency comb. System functionality and performance have been verified experimentally. The mutual protection design was also verified using commercially available coherent optics. Full-duplex design that features simultaneous bidirectional transmission using the same wavelength has also been tested in the coherent P2MP system.
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