A hybrid OTDM scheme with enhanced demultiplexing performance
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AbstractWe propose a novel hybrid optical time-division multiplexing (OTDM) approach, which contains hybrid modulation formats of return-to-zero on-off keying and return-to-zero differential-phase-shift keying, and investigate its demultiplexing performance. Compared with conventional OTDM with homogenous modulation format, the target demutiplexed channel in a hybrid OTDM signal suffers from much less degradation due to the possible crosstalk from the adjacent channels. We experimentally demonstrate 84. 88- to 10.61-Gb/s hybrid OTDM demultiplexing and achieve a relatively wide switching window, which cannot be realized by using the conventional OTDM. Moreover, experimental results at 42.44 Gb/s show a much larger tolerance against timing misalignment in demultiplexing, which further validates the improved demultiplexing performance by using the hybrid OTDM scheme.
All Author(s) ListDeng N, Chan CK, Chen LK
Journal nameIEEE Photonics Technology Letters
Volume Number19
Issue Number17-20
Pages1454 - 1456
LanguagesEnglish-United Kingdom
Keywordsdemultiplexing; differential-phase-shift keying (DPSK); electro-absorption modulator (EAM); on-off keying (OOK); optical time-division multiplexing (OTDM)
Web of Science Subject CategoriesEngineering; Engineering, Electrical & Electronic; ENGINEERING, ELECTRICAL & ELECTRONIC; Optics; OPTICS; Physics; Physics, Applied; PHYSICS, APPLIED

Last updated on 2020-15-07 at 01:22