Journal ArticleDOI
A robust real-time 100G transceiver With soft-decision forward error correction [Invited]
Lynn E. Nelson,Guodong Zhang,Martin Birk,C. Skolnick,R. Isaac,Y. Pan,C. Rasmussen,G. Pendock,Benny Mikkelsen +8 more
TLDR
In this paper, the authors demonstrate a 120 Gb/s coherent polarization-multiplexed quadrature-phase-shift-keyed transceiver with soft-decision forward-error-correction (SD-FEC) coding based on Turbo Product Code.Abstract:
We demonstrate a 120 Gb/s coherent polarization-multiplexed quadrature-phase-shift-keyed transceiver with soft-decision forward-error-correction (SD-FEC) coding based on Turbo Product Code. This industry-first transceiver module utilizes a 40 nm complementary metal-oxide semiconductor (CMOS) application-specific integrated circuit with integrated analog-to-digital conversion, digital signal processing and SD-FEC, and is packaged according to a multi-source agreement from the Optical Internetworking Forum. Through several long-haul and ultra-long-haul system experiments (over 1000 km to 3760 km), we validate the robustness of the transceiver and demonstrate its high tolerance to various system impairments, including fiber nonlinearity, chromatic dispersion up to 60,000 ps/nm, polarization mode dispersion, polarization-dependent loss, polarization transients and multiple-path interference.read more
Citations
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Journal ArticleDOI
Design of Low-Margin Optical Networks
TL;DR: Techniques that the network designer can use in order to increase the capacity of optical networks, extend their life, and decrease deployment cost (CAPEX) or total cost of ownership over their life duration are reviewed.
Journal ArticleDOI
High Symbol Rate Coherent Optical Transmission Systems: 80 and 107 Gbaud
Gregory Raybon,Andrew Adamiecki,Peter J. Winzer,Sebastian Randel,Luis Salamanca,Agnieszka Konczykowska,Filip Jorge,Jean-Yves Dupuy,L. L. Buhl,Sethumadhavan Chandrashekhar,Chongin Xie,Steve Draving,Marty Grove,Kenneth Rush,Rudiger Urbanke +14 more
TL;DR: In this paper, the authors demonstrate high speed optical transmission systems using digital coherent detection at all-electronically multiplexed symbol rates of 80 and 107 Gbaud using two optical subcarriers.
Proceedings ArticleDOI
N-degree ROADM architecture comparison: Broadcast-and-select versus route-and-select in 120 Gb/s DP-QPSK transmission systems
Mark Filer,Sorin Tibuleac +1 more
TL;DR: ROADM systems utilizing 4- and 9-degree broadcast-and-select or route- and-select architectures are studied experimentally with 120 Gb/s DP-QPSK transmission to study effects arising from passband narrowing and crosstalk accumulation due to non-ideal WSS filtering.
Journal ArticleDOI
Mode division multiplexed optical transmission enabled by all-fiber mode multiplexer.
Sun Hyok Chang,Hwan Seok Chung,Nicolas K. Fontaine,Roland Ryf,Kyung Jun Park,Kwangjoon Kim,Jyung Chan Lee,Jong Hyun Lee,Byoung Yoon Kim,Young Kie Kim +9 more
TL;DR: Successful transmission of three spatial modes with 120 Gb/s PDM-QPSK signals over 15 km of four mode fiber by using 6x6 MIMO digital signal processing is demonstrated.
Journal ArticleDOI
Congestion Aware Routing in Nonlinear Elastic Optical Networks
TL;DR: This work proposes to use congestion aware routing in a nonlinear elastic optical network and demonstrates its efficacy for the NSFNET reference network and fivefold increase in network capacity when combined with a 6.25 GHz resolution flexgrid.
References
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Journal ArticleDOI
Digital Coherent Optical Receivers: Algorithms and Subsystems
TL;DR: In this article, a theoretical analysis of the dual-polarization constant modulus algorithm is presented, where the control surfaces several different equalizer algorithms are derived, including the decision-directed, trained, and the radially directed equalizer for both polarization division multiplexed quadriphase shift keyed (PDM-QPSK) and 16 level quadrature amplitude modulation (PDm-16-QAM).
Journal ArticleDOI
Real-time measurements of a 40 Gb/s coherent system
TL;DR: Continuous real-time measurements are shown from a coherent 40 Gb/s transmission system that uses Dual-Polarization Quadrature Phase Shift Keying (DP-QPSK) modulation, using digital compensation for dispersion and polarization effects.
Journal ArticleDOI
Forward error correction for 100 G transport networks
F. Chang,K. Onohara,T. Mizuochi +2 more
TL;DR: The role of forward error correction has become of critical importance in fiber optic communications, as backbone networks increase in speed to 40 and 100 Gb/s, particularly as poor optical-signal-to-noise environments are encountered.
Journal ArticleDOI
Coherent Equalization and POLMUX-RZ-DQPSK for Robust 100-GE Transmission
C.R.S. Fludger,T. Duthel,D. van den Borne,C. Schulien,E.-D. Schmidt,T. Wuth,J. C. Geyer,E. de Man,Khoe Giok-Djan,H. de Waardt +9 more
TL;DR: In this paper, the use of a coherent digital receiver for compensation of linear transmission impairments and polarization demultiplexing in a transmission system compatible with a future 100-Gb/s Ethernet standard is discussed.
Journal ArticleDOI
Automated measurement of polarization mode dispersion using Jones matrix eigenanalysis
TL;DR: In this article, a fast, automated system using a tunable laser and an accurate, real-time polarimeter affords the temporal accuracy of approximately 2% down to a limit of several femtoseconds, as demonstrated by comparison with other techniques and comparison with known samples.