Performance Evaluation of Twin-SSB Methods with Detection Using a Electric Butterfly Operation

Takanashi, Yuya; Kashiwagi, Shogo; Zainudin, Damia Dalilah Binti; Nakamura, Moriya

doi:10.1109/oecc.2018.8729983

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Principle Of Modulation and Demodulation1

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“…1(a) and (b) schematically show the proposed twin-SSB scheme [9]. So far, three different types of twin-SSB modulation have been investigated, using a single Mach-Zehnder modulator, a quadrature phase shift keying (QPSK) modulator, and a dual polarization QPSK (DP-QPSK) modulator [10]. Here, we employed a DP-QPSK modulator to clearly demonstrate the principle of the proposed scheme.…”

Section: Principle Of Modulation and Demodulationmentioning

confidence: 99%

Novel optical twin-SSB detection scheme using an electric butterfly operation

et al. 2019

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We propose a novel detection scheme for an optical twin singlesideband (twin-SSB) signal. The detection can be performed by one optical homodyne receiver with an electric butterfly operation which demultiplexes the lower side-band (LSB) and upper side-band (USB) signals without using optical filters. The dispersion-tolerant characteristics of the scheme were investigated by numerical simulation of transmission through 50 km and 100 km standard single-mode fiber (SSMF), in comparison with dual sideband (DSB) modulation. The optical modulation of the twin-SSB signal was performed using a dual polarization quadrature phase shift keying (DP-QPSK) modulator.

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Section: Principle Of Modulation and Demodulationmentioning

confidence: 99%