Colorless coherent receiver using 3x3 coupler hybrids and single-ended detection
Chongjin Xie,Peter J. Winzer,Gregory Raybon,Alan H. Gnauck,Benyuan Zhu,Tommy Geisler,Bent Edvold +6 more
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TLDR
A single-ended colorless coherent receiver using symmetric 3×3 coupler hybrids is demonstrated, allowing for colorless reception of fifty-five 112-Gb/s PDM-QPSK channels with 1-dB penalty and the receiver works well in transmission over 2560-km TrueWave-REACH-fiber.Abstract:
We demonstrate a single-ended colorless coherent receiver using symmetric 3x3 couplers for optical hybrids. We show that the receiver can achieve colorless reception of fifty-five 112-Gb/s polarization-division-multiplexed quadrature-phase-shift-keyed (PDM-QPSK) channels with less than 1-dB penalty in the back-to-back operation. The receiver also works well in a long-haul wavelength-division-multiplexed (WDM) transmission system over 2560-km TrueWave® REACH fiber.read more
Citations
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Journal ArticleDOI
Polarization-Independent Receivers for Low-Cost Coherent OOK Systems
TL;DR: In this article, a low-cost coherent coherent OOK receiver with three photodiodes and a 3 × 3 coupler was proposed to obtain polarization-independent operation in low-power access networks, where the frequency-detuning between the signal carrier and the local oscillator is high enough, so that intrinsic second order distortions can be spectrally isolated and suppressed by the low pass filtering of the receiver.
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Carrier-assisted differential detection.
TL;DR: The proposed receiver architecture opens a new class of direct detection schemes that are suitable for photonic integration analogous to homodyne receivers in coherent detection, and can use cost-effective uncooled lasers, without a need for a precise receiver optical filter.
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Silica-based PLC transponder aggregators for colorless, directionless, and contentionless ROADM
TL;DR: A silica-on-silicon PLC transponder aggregator based on splitter-switch architecture enables a colorless, directionless and contentionless multi-degree ROADM cost-effectively with a small footprint.
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Monolithic polarization diversity coherent receiver based on 120-degree optical hybrids on silicon.
TL;DR: It is demonstrated that 112-Gb/s polarization-division-multiplexed quadrature phase-shift keyed signals are detected in the wavelength range of 1530-1580 nm with comparable performance to commercial receivers.
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Towards full band colorless reception with coherent balanced receivers
TL;DR: Analytical models are developed to predict the system performance as a function of receiver design parameters and show good agreement against numerical simulations, showing that the receiver operating range is notably narrowed for dispersion unmanaged links, as compared to dispersion managed links.
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