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- Peter J. Winzer, René-Jean Essiambre
- Proceedings of the IEEE
- 2006

- René-Jean Essiambre, Gerard J Foschini, Gerhard Kramer, Peter J Winzer
- Physical review letters
- 2008

The instantaneous optical Kerr effect in optical fibers is a nonlinear phenomenon that can impose limits on the ability of fiber-optic communication systems to transport information. We present here a conservative estimate of the "fiber channel" capacity in an optically routed network. We show that the fiber capacity per unit bandwidth for a given distance… (More)

- René-Jean Essiambre, Robert W. Tkach
- Proceedings of the IEEE
- 2012

| Since the first deployments of fiber-optic communication systems three decades ago, the capacity carried by a single-mode optical fiber has increased by a staggering 10 000 times. Most of the growth occurred in the first two decades with growth slowing to ten times in the last decade. Over the same three decades, network traffic has increased by a much… (More)

- Bernhard Goebel, René-Jean Essiambre, Gerhard Kramer, Peter J. Winzer, Norbert Hanik
- IEEE Transactions on Information Theory
- 2011

The mutual information between a complex-valued channel input and its complex-valued output is decomposed into four parts based on polar coordinates: an amplitude term, a phase term, and two mixed terms. Numerical results for the additive white Gaussian noise (AWGN) channel with various inputs show that, at high signal-to-noise ratio (SNR), the amplitude… (More)

- Sebastian Randel, Roland Ryf, +7 authors Robert Lingle
- Optics express
- 2011

Mode-division multiplexing over 33-km few-mode fiber is investigated. It is shown that 6×6 MIMO processing can be used to almost completely compensate for crosstalk and intersymbol interference due to mode coupling in a system that transmits uncorrelated 28-GBaud QPSK signals on the six spatial and polarization modes supported by a novel few-mode fiber.

- Sami Mumtaz, René-Jean Essiambre, Govind P. Agrawal
- 2012

We present a general model for studying nonlinear effects in multicore fibers. Our results show that a strong linear coupling among fiber cores can reduce nonlinear impairments and improve system performance when digital signal processing is used to compensate for all linear degradations.

- J. Leuthold, G. Raybon, Y. Su, R. Essiambre, M. Kauer
- 2002

Introduction: All-optical wavelength converters (AOWC) are envisioned to be part of future high-speed networks. In particular, they might replace optical-to-electrical-to-optical (OEO) wavelength translator units in optical crossconnects [1]. However, to be practical, AOWCs must be able to convert signals that have been degraded during transmission over… (More)

- Kazuhide Nakajima, Pierre Sillard, David Richardson, Ming-Jun Li, René-Jean Essiambre, Shoichiro Matsuo
- IEEE Communications Magazine
- 2015

- Yuzhe Xiao, René-Jean Essiambre, +4 authors Govind P Agrawal
- Optics express
- 2014

We study intermodal four-wave mixing (FWM) in few-mode fibers in the presence of birefringence fluctuations and random linear mode coupling. Two different intermodal FWM processes are investigated by including all nonlinear contributions to the phase-matching condition and FWM bandwidth. We find that one of the FWM processes has a much larger bandwidth than… (More)

- Steven K. Korotky, René-Jean Essiambre, Robert W. Tkach
- Bell Labs Technical Journal
- 2010

We propose and evaluate a metric for the value proposition of bit rate adaptive transmission in the form of the quasi-static multiplicative increase in network traffic that could be supported by an optical network without increasing the number of wavelength channels or spectral bandwidth. Under the assumption of idealized bit rate adaptive transmission, we… (More)