Technical considerations for supporting data rates beyond 100 Gb/s

Gringeri, S.; Basch, E. Bert; Xia, Tiejun J.

doi:10.1109/mcom.2012.6146482

Cited by 87 publications

(40 citation statements)

References 18 publications

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“…Fibre nonlinearity limits the Shannon limited capacity and simple models of this ultimate limit have recently been derived [1,2]. Advances in modulation format and FEC have allowed this limit to be approached in practical systems [3].…”

Section: Introductionmentioning

confidence: 99%

Minimising total energy requirements in amplified links by optimising amplifier spacing

Doran

Ellis

2014

Opt. Express

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Abstract:We investigate the energy optimization (minimization) for amplified links. We show that using the using a well-established analytic nonlinear signal-to-noise ratio noise model that for a simple amplifier model there are very clear, fiber independent, amplifier gains which minimize the total energy requirement. With a generalized amplifier model we establish the spacing for the optimum power per bit as well as the nonlinear limited optimum power. An amplifier spacing corresponding to 13 dB gain is shown to be a suitable compromise for practical amplifiers operating at the optimum nonlinear power.

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Section: Introductionmentioning

confidence: 99%

Minimising total energy requirements in amplified links by optimising amplifier spacing

Doran

Ellis

2014

Opt. Express

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“…This fast-going evolution has led to unprecedented growth of data traffic requirements [1]. Consequently, researchers' efforts have been dedicated to maximize the overall network throughput.…”

Section: Introductionmentioning

confidence: 99%

Energy-Efficient Resource Allocation for Phantom Cellular Networks With Imperfect CSI

Abdelhady

Amin

Alouini

2017

IEEE Trans. Wireless Commun.

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“…Driven by increasing pressure on data-center and telecom operators to handle escalating traffic, optical interfaces with data rates of 400 Gbit/s are currently being standardized, and Tbit/s interfaces are already under discussion [1][2][3]. To keep symbol rates compliant with the electrical bandwidth of energy-efficient CMOS driver circuitry, a technical implementation of such interfaces requires higher-order modulation formats along with parallel transmission on a multitude of wavelength channels [4,5].…”

Section: Introductionmentioning

confidence: 99%

Multi-wavelength coherent transmission using an optical frequency comb as a local oscillator

et al. 2016

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Steadily increasing data rates of optical interfaces require spectrally efficient coherent transmission using higher-order modulation formats in combination with scalable wavelength-division multiplexing (WDM) schemes. At the transmitter, optical frequency combs (OFC) lend themselves to particularly precise multi-wavelength sources for WDM transmission. In this work we demonstrate that these advantages can also be leveraged at the receiver by using an OFC as a highly scalable multi-wavelength local oscillator (LO) for coherent detection. In our experiments, we use a pair of OFC that rely on gain switching of injection-locked semiconductor lasers both for WDM transmission and intradyne reception. We synchronize the center frequency and the free spectral range of the receiver comb to the transmitter, keeping the intradyne frequencies for all data channels below 15 MHz. Using 13 WDM channels, we transmit an aggregate line rate (net data rate) of 1.104 Tbit/s (1.032 Tbit/s) over a 10 km long standard single mode fiber at a spectral efficiency of 5.16 bit/s/Hz. To the best of our knowledge, this is the first demonstration of coherent WDM transmission using synchronized frequency combs as light source at the transmitter and as multiwavelength LO at the receiver.

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Technical considerations for supporting data rates beyond 100 Gb/s

Cited by 87 publications

References 18 publications

Minimising total energy requirements in amplified links by optimising amplifier spacing

Minimising total energy requirements in amplified links by optimising amplifier spacing

Energy-Efficient Resource Allocation for Phantom Cellular Networks With Imperfect CSI

Multi-wavelength coherent transmission using an optical frequency comb as a local oscillator

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