2.38 Tbit/s, 1.49 bit/s/Hz, and (16×4×40 Gbit/s) RZ-DQPSK polarization division multiplex transmission over 273 km of fiber期刊界 All Journals 搜尽天下杂志传播学术成果专业期刊搜索期刊信息化学术搜索

2.38 Tbit/s, 1.49 bit/s/Hz, and (16×4×40 Gbit/s) RZ-DQPSK polarization division multiplex transmission over 273 km of fiber

Authors:	A. F. Abas B. Milivojevic A. Hidayat S. Bhandare D. Sandel H. Zhang R. Noé

Affiliation:	(1) EIM-E, Optical Communication and High Frequency Engineering, University of Paderborn, Warburger Str. 100, 33098 Paderborn, Germany

Abstract:	We report on transmission of a net aggregate data rate of 2.38 Tbit/s (excluding an assumed ~7% FEC overhead) over 273 km of fiber with just 16 100-GHz-spaced WDM channels. Due to polarization division multiplex and RZ-DQPSK modulation, each channel carries 160 Gbit/s (including the assumed FEC overhead) although the symbol rate is only 40 Gbaud. Polarizations are demultiplexed using automatic polarization control with a LiNbO₃ polarization transformer. In-phase and quadrature data are demodulated in a 1-bit interferometer.

Keywords:	Differential quadrature phase shift keying (DQPSK) Polarization division multiplex (PolDM) Wavelength division multiplex (WDM) Chromatic dispersion (CD) compensation Optical fiber communication.
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