Abstract

Data streams with bit rates of up to 1Gbits have been applied though the subcarrier modulation technique in an experimentally deployed optical communication system based on chaos data encryption and have been recovered efficiently. By shifting the spectral components of the encrypted data in regions where the chaotic carrier is powerful, a more efficient encryption and final message recovery is recorded with respect to the baseband modulation technique, improving the up-to-date performance of analogous systems.

© 2010 Optical Society of America

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References

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  1. G. D. Van Wiggeren and R. Roy, Science 279, 1198 (1998).
    [CrossRef]
  2. C. R. Mirasso, P. Colet, and P. Garcia-Fernandez, IEEE Photon. Technol. Lett. 8, 299 (1996).
    [CrossRef]
  3. A. Argyris, D. Syvridis, L. Larger, V. Annovazzi-Lodi, P. Colet, I. Fischer, J. Garcia-Ojalvo, C. Mirasso, L. Pesquera, and K. A. Shore, Nature 438, 343 (2005).
    [CrossRef] [PubMed]
  4. Feature in IEEE J. Quantum Electron. 38, 1138 (2002).
  5. A. Bogris, K. E. Chlouverakis, A. Argyris, and D. Syvridis, Opt. Lett. 32, 2134 (2007).
    [CrossRef] [PubMed]

2007 (1)

2005 (1)

A. Argyris, D. Syvridis, L. Larger, V. Annovazzi-Lodi, P. Colet, I. Fischer, J. Garcia-Ojalvo, C. Mirasso, L. Pesquera, and K. A. Shore, Nature 438, 343 (2005).
[CrossRef] [PubMed]

2002 (1)

Feature in IEEE J. Quantum Electron. 38, 1138 (2002).

1998 (1)

G. D. Van Wiggeren and R. Roy, Science 279, 1198 (1998).
[CrossRef]

1996 (1)

C. R. Mirasso, P. Colet, and P. Garcia-Fernandez, IEEE Photon. Technol. Lett. 8, 299 (1996).
[CrossRef]

Annovazzi-Lodi, V.

A. Argyris, D. Syvridis, L. Larger, V. Annovazzi-Lodi, P. Colet, I. Fischer, J. Garcia-Ojalvo, C. Mirasso, L. Pesquera, and K. A. Shore, Nature 438, 343 (2005).
[CrossRef] [PubMed]

Argyris, A.

A. Bogris, K. E. Chlouverakis, A. Argyris, and D. Syvridis, Opt. Lett. 32, 2134 (2007).
[CrossRef] [PubMed]

A. Argyris, D. Syvridis, L. Larger, V. Annovazzi-Lodi, P. Colet, I. Fischer, J. Garcia-Ojalvo, C. Mirasso, L. Pesquera, and K. A. Shore, Nature 438, 343 (2005).
[CrossRef] [PubMed]

Bogris, A.

Chlouverakis, K. E.

Colet, P.

A. Argyris, D. Syvridis, L. Larger, V. Annovazzi-Lodi, P. Colet, I. Fischer, J. Garcia-Ojalvo, C. Mirasso, L. Pesquera, and K. A. Shore, Nature 438, 343 (2005).
[CrossRef] [PubMed]

C. R. Mirasso, P. Colet, and P. Garcia-Fernandez, IEEE Photon. Technol. Lett. 8, 299 (1996).
[CrossRef]

Fischer, I.

A. Argyris, D. Syvridis, L. Larger, V. Annovazzi-Lodi, P. Colet, I. Fischer, J. Garcia-Ojalvo, C. Mirasso, L. Pesquera, and K. A. Shore, Nature 438, 343 (2005).
[CrossRef] [PubMed]

Garcia-Fernandez, P.

C. R. Mirasso, P. Colet, and P. Garcia-Fernandez, IEEE Photon. Technol. Lett. 8, 299 (1996).
[CrossRef]

Garcia-Ojalvo, J.

A. Argyris, D. Syvridis, L. Larger, V. Annovazzi-Lodi, P. Colet, I. Fischer, J. Garcia-Ojalvo, C. Mirasso, L. Pesquera, and K. A. Shore, Nature 438, 343 (2005).
[CrossRef] [PubMed]

Larger, L.

A. Argyris, D. Syvridis, L. Larger, V. Annovazzi-Lodi, P. Colet, I. Fischer, J. Garcia-Ojalvo, C. Mirasso, L. Pesquera, and K. A. Shore, Nature 438, 343 (2005).
[CrossRef] [PubMed]

Mirasso, C.

A. Argyris, D. Syvridis, L. Larger, V. Annovazzi-Lodi, P. Colet, I. Fischer, J. Garcia-Ojalvo, C. Mirasso, L. Pesquera, and K. A. Shore, Nature 438, 343 (2005).
[CrossRef] [PubMed]

Mirasso, C. R.

C. R. Mirasso, P. Colet, and P. Garcia-Fernandez, IEEE Photon. Technol. Lett. 8, 299 (1996).
[CrossRef]

Pesquera, L.

A. Argyris, D. Syvridis, L. Larger, V. Annovazzi-Lodi, P. Colet, I. Fischer, J. Garcia-Ojalvo, C. Mirasso, L. Pesquera, and K. A. Shore, Nature 438, 343 (2005).
[CrossRef] [PubMed]

Roy, R.

G. D. Van Wiggeren and R. Roy, Science 279, 1198 (1998).
[CrossRef]

Shore, K. A.

A. Argyris, D. Syvridis, L. Larger, V. Annovazzi-Lodi, P. Colet, I. Fischer, J. Garcia-Ojalvo, C. Mirasso, L. Pesquera, and K. A. Shore, Nature 438, 343 (2005).
[CrossRef] [PubMed]

Syvridis, D.

A. Bogris, K. E. Chlouverakis, A. Argyris, and D. Syvridis, Opt. Lett. 32, 2134 (2007).
[CrossRef] [PubMed]

A. Argyris, D. Syvridis, L. Larger, V. Annovazzi-Lodi, P. Colet, I. Fischer, J. Garcia-Ojalvo, C. Mirasso, L. Pesquera, and K. A. Shore, Nature 438, 343 (2005).
[CrossRef] [PubMed]

Van Wiggeren, G. D.

G. D. Van Wiggeren and R. Roy, Science 279, 1198 (1998).
[CrossRef]

IEEE J. Quantum Electron. (1)

Feature in IEEE J. Quantum Electron. 38, 1138 (2002).

IEEE Photon. Technol. Lett. (1)

C. R. Mirasso, P. Colet, and P. Garcia-Fernandez, IEEE Photon. Technol. Lett. 8, 299 (1996).
[CrossRef]

Nature (1)

A. Argyris, D. Syvridis, L. Larger, V. Annovazzi-Lodi, P. Colet, I. Fischer, J. Garcia-Ojalvo, C. Mirasso, L. Pesquera, and K. A. Shore, Nature 438, 343 (2005).
[CrossRef] [PubMed]

Opt. Lett. (1)

Science (1)

G. D. Van Wiggeren and R. Roy, Science 279, 1198 (1998).
[CrossRef]

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Figures (5)

Fig. 1
Fig. 1

Experimental setup for an in situ chaotic optical communication system using a subcarrier modulation technique. DFB, distributed feedback; OI, optical isolator; 50 50 , optical coupler; PC, polarization controller; EDFA, erbium-doped fiber amplifier; APD, avalanche photoreceiver.

Fig. 2
Fig. 2

Emitter’s chaotic carrier generator based on integrated fiber-based external cavity architecture (top, schematic; bottom, photograph). 90 10 , optical coupler; VOA, variable optical attenuator.

Fig. 3
Fig. 3

Two different chaotic spectral profiles generated by the emitter, for laser biasing current I = 1.3 × I th and two different feedback strength values: P f = 3 % (left) and P f = 7 % (right).

Fig. 4
Fig. 4

Spectral distribution of (left) the applied ( BER 10 12 ) , encrypted ( BER 10 1 ) , and recovered ( BER 10 11 ) 1 Gbit s message, using subcarrier modulation at 3.5 GHz and (right) of the partially encrypted ( BER 10 4 ) and recovered ( BER 10 12 ) 1 Gbit s message using baseband modulation.

Fig. 5
Fig. 5

Eye diagrams of the 2 31 1 1 Gbit s subcarrier encrypted message with initial SNR of (a) 22 dB ( BER 10 2 ) and (c) 20 dB ( BER 10 1 ) , and the corresponding recovered message for the same SNR cases (b) 22 dB ( BER 10 12 ) and (d) 20 dB ( BER 10 11 ) . Vertical axis, 50 mV /division; horizontal axes 200 ps /division.

Tables (1)

Tables Icon

Table 1 BER Comparison between Subcarrier and Baseband Modulation Techniques

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