Optical differential quadrature phase-shift key (oDQPSK) for high capacity optical transmission

By R. Griffin, A. C. Carter. Optical Fiber Communication Conference and Exhibit, 2002

315 citations recorded by the source corpus.

Subfields: Electrical and Electronic Engineering

View Paper: https://www.semanticscholar.org/paper/c0363de1d806153fe0a2527f60e0b83159f5ee19

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In Electrical and Electronic Engineering

Citations in the corpus

Coherent detection of optical quadrature phase-shift keying signals with carrier phase estimation (2006, background): “In recent years, several experiments have investigated the performance of QPSK systems with optical differential detection, where the receiver consisted of two sets of Mach–Zehnder interferometers and balanced photodetectors [3].”
Fundamentals of Coherent Optical Fiber Communications (2016, background): “The first step in the revival of coherent optical communications research was triggered by the QPSK modulation/demodulation experiment featuring optical IQ modulation (IQM) and optical delay detection [24].”
Spectral efficiency limits and modulation/detection techniques for DWDM systems (2004, methodology): “with interferometric detection1 [15]–[ 17 ], phase-shift keying (PSK) with coherent detection [18], [19], and (d) quadratureamplitude modulation (QAM) with coherent detection [20].”
Spectrally Efficient Long-Haul Optical Networking Using 112-Gb/s Polarization-Multiplexed 16-QAM (2010, background): “This process started with differential quadrature phase shift keying (DQPSK) [ 3 ], which allowed point-to-point SEs of up to 1.6 b/s/Hz [4], and comfortably enabled optically-routed networking at 40 Gb/s on a 50-GHz WDM grid (SE of 0.8 b/s/Hz), including multiple passages though reconfigurable opti”
High-Spectral-Efficiency Optical Modulation Formats (2012, methodology): “[10] and quaternary [11] phase shift keying (BPSK, QPSK)”
Phase Estimation Methods for Optical Coherent Detection Using Digital Signal Processing (2009, background): “The differential field vector case is equivalent to differential detection performed in the optical domain by a passive optical delay network [40], [41], although here is calculated within the digital processor.”
Recent advances in coherent optical communication (2009, background): “There are many benefits to employing high-SE modulation formats [ 1 ].”
Advanced Modulation Formats for High-Capacity Optical Transport Networks (2006, methodology): “The compressed spectrum is beneficial for achieving high spectral efficiencies in WDM systems [22], [24], [69] (Section VI-B), as well as for increased tolerance to CD [24],”
Impact of chromatic and polarization-mode dispersions on DPSK systems using interferometric demodulation and direct detection (2004, methodology): “With appropriate coding, as described in [ 3 ], binary decisions on the sampled outputs of the I and Q branches yield, respectively, the first and second bits encoded in each symbol.”