Dual-wavelength source based optical circuit switching and wavelength reconfiguration in multi-hop ROADM systems
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PublisherOPTICAL SOC AMER
CitationDual-wavelength source based optical circuit switching and wavelength reconfiguration in multi-hop ROADM systems 2017, 25 (22):27736 Optics Express
Rights© 2017 Optical Society of America
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AbstractUsing a dual-wavelength source, a single optical signal is distributed over two wavelengths. This approach is used to reduce power excursions due to optical circuit switching in ROADM systems. In a multi-hop optical transmission system with 100Gbps PM-QPSK signals switched over five ROADMs and 265 km of single mode fiber (SMF), power excursions are kept within +/- 0.2 dB using dual-wavelength sources. A cumulative distribution function (CDF) of channel power excursions is generated from measurements of over 100 random channel loadings for four different channel loading plans. Using dual-wavelength sources, power excursions of up to +/- 6 dB are reduced below +/- 1.5 dB for 99% and +/- 0.5 dB for 71.4% of the cases while switching up to 30 channels. (C) 2017 Optical Society of America
NoteOpen access journal.
VersionFinal published version
SponsorsNational Science Foundation (Department of Energy) [DE-SC0015867]; National Science Foundation [EEC-0812072, 1601784]