Experimental Evaluation of an Open-Loop All-Optical Chaotic Communication System

Argyris, Apostolos; Kanakidis, D.; Bogris, Adonis; Syvridis, Dimitris

doi:10.1109/jstqe.2004.837224

Cited by 29 publications

(15 citation statements)

References 29 publications

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“…As ξ SOA (I SOA ) is known from (1), calibration of the total coupling required knowing the effect of the other experimental variable Δz fibre , which controls ξ fac and ξ fibre . These two parameters can be lumped together as ξ (Δz fibre ), according to (2), and the total coupling ξ tot then derived according to (3), where the parabolic dependence on I SOA is due to the light experiencing double-pass gain or loss in the SOA. Therefore ξ (Δz fibre ) is the remaining relation requiring calibration to generate ξ tot (I SOA , Δz fibre ) ξ (Δz fibre ) = ξ fac (Δz fibre )ξ fibre (Δz fibre ) (2) The first behaviour studied was the laser tuning resulting from index adjustment of the front and rear DBRs.…”

Section: Determination Of the Coupling Magnitudementioning

confidence: 99%

“…M UTUALLY-coupled (MC) lasers have been studied extensively in recent years, in respect of their synchronized dynamics [1], and particular applications of this such as chaosencrypted communications [2]. The most significant parameters affecting the dynamics are detuning [3]- [7], coupling magnitude [4], [6], [8], and phase [4], [7]- [9], [10].…”

Section: Introductionmentioning

confidence: 99%

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Detuning Boundaries of Linear and Nonlinear Dynamics in a System of Coupled Lasers

Cemlyn

Adams

Henning

et al. 2015

IEEE J. Select. Topics Quantum Electron.

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The dynamics in a system of integrated self-and mutually-coupled lasers are analysed. For the first time, we present an overall comparison of the experimental and modelled dynamics of this system as functions of the frequency detuning and coupling magnitude parameters. First, the nontrivial parameters affecting the dynamics, namely the group index and group index dispersion, the relaxation oscillation frequencies of the two lasers, and the coupling magnitude, are calibrated. A transition in dynamics depending on detuning is then demonstrated, for a range of coupling magnitudes, in both the experimental measurements and by using a travelling-wave model of the system. The dynamics are analysed rigorously using the correlation dimension of the time series to identify regions of linear and nonlinear interaction, and distinct dynamic boundaries separating these regions are then calculated. In addition, we show, using results from the travelling-wave model, the profound effect of the coupling phase on the dynamics.

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Section: Determination Of the Coupling Magnitudementioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Detuning Boundaries of Linear and Nonlinear Dynamics in a System of Coupled Lasers

Cemlyn

Adams

Henning

et al. 2015

IEEE J. Select. Topics Quantum Electron.

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“…It was Pecora and Carol with their fundamental work who first demonstrated the potential use of chaos in cryptography [1]. Since then, many experimental set-ups have been proposed for applications in data encryption and most of the attention has been attracted by optical systems due to their high bandwidth capacity and high-speed data transmission [2][3][4][5].…”

Section: Introductionmentioning

confidence: 99%

“…For the latter, the dynamics are limited into a 3×3 phase space (and hence the attractor dimension D < 3), producing lowdimensional chaos. Therefore, several systems that result in more complex attractors have been proposed, such as lasers subjected to optical feedback [3]. The latter is a system whose dynamics lie in an infinite-dimensional phase space due to the time delay appearing in the original delay differential equations (DDEs) [8].…”

Section: Introductionmentioning

confidence: 99%

Complexity and synchronization in chaotic fiber-optic systems

Chlouverakis¹,

Argyris²,

Bogris³

et al. 2008

Physica D: Nonlinear Phenomena

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“…For the latter case, large tolerance to parameter mismatches enables the transmission to be easily realized. The time-lag is only determined by the propagation time and the output of the receiver is proportional to that of transmitter [1,[6][7][8][9][10][11][12][13][14] . The ratio of output of receiver to that of transmitter can be named as the system gain in Ref.…”

mentioning

confidence: 99%

Performance of a new decoding method used in open-loop all-optical chaotic communication system

Liu

Feng

2011

J. Electron.(China)

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A new decoding method with decoder is used in open-loop all-optical chaotic communication system under strong injection condition. The performance of the new decoding method is numerically investigated by comparing it with the common decoding method without decoder. For new decoding method, two cases are analyzed, including whether or not the output of the decoder is adjusted by its input to receiver. The results indicate the decoding quality can be improved by adjusting for the new decoding method. Meanwhile, the injection strength of decoder can be restricted in a certain range. The adjusted new decoding method with decoder can achieve better decoding quality than decoding method without decoder when the bit rate of message is under 5 Gb/s. However, a stronger injection for receiver is needed. Moreover, the new decoding method can broaden the range of injection strength acceptable for good decoding quality. Different message encryption techniques are tested, and the result is similar to that of the common decoding method, indicative of the fact that the message encoded by using Chaotic Modulation (CM) can be best recovered by the new decoding method owning to the essence of this encryption technique.

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Experimental Evaluation of an Open-Loop All-Optical Chaotic Communication System

Cited by 29 publications

References 29 publications

Detuning Boundaries of Linear and Nonlinear Dynamics in a System of Coupled Lasers

Detuning Boundaries of Linear and Nonlinear Dynamics in a System of Coupled Lasers

Complexity and synchronization in chaotic fiber-optic systems

Performance of a new decoding method used in open-loop all-optical chaotic communication system

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