Nonlocal Nonlinear Electro-Optic Phase Dynamics Demonstrating 10 Gb/s Chaos Communications

Lavrov, R.; Jacquot, Maxime; Larger, Laurent

doi:10.1109/jqe.2010.2049987

Cited by 159 publications

(49 citation statements)

References 22 publications

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“…The maximum transmission bit rate is mainly limited by the relaxation oscillation frequency, which is typically in the GHz range. Besides the optical feedback schemes, optoelectronic feedback schemes have also turned out to be attractive systems for chaos communication (Goedgebuer, Larger, and Porte, 1998;Abarbanel et al, 2001;Liu, Chen, and Tang, 2002), achieving bit rates up to 10 Gb=s (Lavrov, Jacquot, and Larger, 2010).…”

Section: Chaos Communication and Chaos Key Distributionmentioning

confidence: 99%

Complex photonics: Dynamics and applications of delay-coupled semiconductors lasers

et al. 2013

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Complex phenomena in photonics, in particular, dynamical properties of semiconductor lasers due to delayed coupling, are reviewed. Although considered a nuisance for a long time, these phenomena now open interesting perspectives. Semiconductor laser systems represent excellent test beds for the study of nonlinear delay-coupled systems, which are of fundamental relevance in various areas. At the same time delay-coupled lasers provide opportunities for photonic applications. In this review an introduction into the properties of single and two delay-coupled lasers is followed by an extension to network motifs and small networks. A particular emphasis is put on emerging complex behavior, deterministic chaos, synchronization phenomena, and application of these properties that range from encrypted communication and fast random bit sequence generators to bioinspired information processing.

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Section: Chaos Communication and Chaos Key Distributionmentioning

confidence: 99%

Complex photonics: Dynamics and applications of delay-coupled semiconductors lasers

et al. 2013

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“…The broadband and very flat spectrum [Figs. 1(c) and 1(f), with an experimental β evaluated at about 5.9] covers actually the 12-GHz bandwidth of the electronic feedback [16], of interest, e.g., for spectral masking of a binary information signal at bit rates as fast as 10 Gbit/s [20].…”

Section: Electro-optic Phase Dynamicsmentioning

confidence: 99%

Crenelated fast oscillatory outputs of a two-delay electro-optic oscillator

et al. 2012

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An electro-optic oscillator subject to two distinct delayed feedbacks has been designed to develop pronounced broadband chaotic output. Its route to chaos starts with regular pulsating gigahertz oscillations that we investigate both experimentally and theoretically. Of particular physical interest are the transitions to various crenelated fast time-periodic oscillations, prior to the onset of chaotic regimes. The two-delay problem is described mathematically by two coupled delay-differential equations, which we analyze by using multiple-time-scale methods. We show that the interplay of a large delay and a relatively small delay is responsible for the onset of fast oscillations modulated by a slowly varying square-wave envelope. As the bifurcation parameter progressively increases, this envelope undergoes a sequence of bifurcations that corresponds to successive fixed points of a sine map.

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“…A summary of the results obtained for each task is given in Table 1. The operating speed of optoelectronic RC implementations is in the megahertz range, although this kind of setup has the potential to operate at gigahertz speeds [60]. [59] WER, word error rate; NMSE, normalized mean square error; SER, symbol error rate; SNR, signal-to-noise ratio; LSS, low sea level.…”

Section: Optoelectronic Delay-based Reservoir Computingmentioning

confidence: 99%

Advances in photonic reservoir computing

2017

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Abstract:We review a novel paradigm that has emerged in analogue neuromorphic optical computing. The goal is to implement a reservoir computer in optics, where information is encoded in the intensity and phase of the optical field. Reservoir computing is a bio-inspired approach especially suited for processing time-dependent information. The reservoir's complex and high-dimensional transient response to the input signal is capable of universal computation. The reservoir does not need to be trained, which makes it very well suited for optics. As such, much of the promise of photonic reservoirs lies in their minimal hardware requirements, a tremendous advantage over other hardware-intensive neural network models. We review the two main approaches to optical reservoir computing: networks implemented with multiple discrete optical nodes and the continuous system of a single nonlinear device coupled to delayed feedback.

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Nonlocal Nonlinear Electro-Optic Phase Dynamics Demonstrating 10 Gb/s Chaos Communications

Cited by 159 publications

References 22 publications

Complex photonics: Dynamics and applications of delay-coupled semiconductors lasers

Complex photonics: Dynamics and applications of delay-coupled semiconductors lasers

Crenelated fast oscillatory outputs of a two-delay electro-optic oscillator

Advances in photonic reservoir computing

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