Countermeasures of Stimulated-Raman-Scattering-Induced Video Distortion in 1.65 .MU.m Optical Time-domain Reflectometer On-line Monitoring 1.55 .MU.m Cable Television System
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概要
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The countermeasures of stimulated-Raman-scattering (SRS)-induced baseband video distortion in the 1.65 μm optical time-domain reflectometer (OTDR) on-line monitoring 1.55 μm amplitude modulation with vestigial sideband (AM-VSB) cable television (CATV) transmission system are investigated theoretically and experimentally. The countermeasures entail the reduction in the optical modulation index (OMI) of the AM transmitter, OTDR peak power and/or pulse width. The results of numerical simulations and experimental measurements are in good agreement. Moreover, the countermeasure for eliminating the SRS-induced baseband video distortion by the 1.31 μm OTDR on-line monitoring technique is investigated and demonstrated.
- 公益社団法人 応用物理学会の論文
公益社団法人 応用物理学会 | 論文
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