Multi-User Private Transmission With Chaotic Lasers

Annovazzi-Lodi, V.; Aromataris, Giuseppe; Benedetti, Mauro

doi:10.1109/jqe.2012.2202373

Cited by 30 publications

(9 citation statements)

References 15 publications

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“…A more convenient approach [28], similar to public key cryptography, has been proposed recently. By this method, we can build a network of subscribers, where all users can freely exchange data.…”

Section: Chaos-protected Networkmentioning

confidence: 99%

Private Communications Using Optical Chaos

Annovazzi-Lodi¹,

Aromataris²,

Benedetti³

2018

Chaos Theory

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After a brief summary of the basic methods for secure transmission using optical chaos, we report on most recent achievements, namely, on the comparison between the standard two-laser and the three-laser schemes and on the network architecture for multiuser secure transmission. From our investigations, we found that while both the basic twolaser and the three-laser schemes are suitable to secure data exchange, the three-laser scheme offers a better level of privacy due to its symmetrical topology. Moreover, while transmission based on optical chaos is usually restricted to point-to-point interconnections, a more advanced solution, derived from the well-known public key cryptography, allows for private message transmission between any couple of subscribers in a network.

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Section: Chaos-protected Networkmentioning

confidence: 99%

Private Communications Using Optical Chaos

Annovazzi-Lodi¹,

Aromataris²,

Benedetti³

2018

Chaos Theory

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“…Alternatively, an electro-optical repeater may be considered [14], as shown in Fig.2b. Transmission of data between two users following the scheme of Fig.1 is similar to a standard point-to point connection and thus, the well-known Lang-Kobayashi model [15] has been used for numerical simulations.…”

Section: Multi-user Network Configurationmentioning

confidence: 99%

“…The recovered message at the receiver output is shown, after detection and filtering. Typical laser parameters have been used [14] and the device working points have been optimized to get a robust synchronization, even in the presence of a (practically unavoidable) small mismatch (1-2%) between the parameters of the twin lasers.…”

Section: Multi-user Network Configurationmentioning

confidence: 99%

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Secure transmission network using chaotic lasers

Annovazzi-Lodi

Aromataris

Benedetti

et al. 2014

2014 Complexity in Engineering (COMPENG)

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In this paper, we propose a scheme for multi-user secure data transmission using chaotic lasers. While schemes based on optical chaos are usually restricted to point-to-point transmission, with this new approach, which is derived from the well-known public key cryptography, it is possible to exchange data between any couple of nodes in a network. For each user, a pair of twin chaotic lasers is required, one being held by the user himself and the other by a provider, who is responsible of the network security. The basic two-laser or three-laser schemes of chaotic transmission are then used for secure data exchange, both between two subscribers and between a subscriber and the provider.

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“…Several basic functional blocks have been already studied and experimentally demonstrated, such as the chaotic signal repeater [5], modules for wavelength multiplexing [6] and for wavelength conversion [7]. Different improvements to the basic scheme have been studied in the literature [8]- [10], and a network architecture Manuscript for multi-user transmission has been described [11]. Moreover, photonic integrated circuits (PICs) for chaotic transmitters (TX) and receivers (RX) [12] have been produced.…”

Section: Introductionmentioning

confidence: 99%

Privacy in Two-Laser and Three-Laser Chaos Communications

Annovazzi-Lodi

Aromataris

2015

IEEE J. Quantum Electron.

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In this paper, we compare the performances of the well-known two-laser and three-laser chaos communications schemes, in terms of privacy. It is found by numerical analysis that in optimized conditions both methods are well suited for private transmission. However, while the three-laser scheme gives its optimum performance with the twin laser pair, the two-laser scheme reaches its best performance using two slightly different lasers (the optimum pair). This results in an easier device selection and in a slightly higher privacy level of the three-laser scheme. Using a twin pair with the two-laser scheme still offers a good level of privacy in most cases; however, in principle the eavesdropper has a chance to extract the message, by selecting a suitable laser.

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Multi-User Private Transmission With Chaotic Lasers

Cited by 30 publications

References 15 publications

Private Communications Using Optical Chaos

Private Communications Using Optical Chaos

Secure transmission network using chaotic lasers

Privacy in Two-Laser and Three-Laser Chaos Communications

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