Abstract

We propose and experimentally demonstrate a 40Gb/s secure optical communication system with on–off-keying (OOK) modulation format by using a time domain spectral phase en/decoding scheme, which employs a highly dispersive element and high-speed phase modulator for introducing significant symbol overlapping for both the encoded and incorrectly decoded noiselike signals to enhance the information security against eavesdropping using a power detector. The influence of dispersion and chip modulation rate on the symbol overlapping of the incorrectly decoded signal has been analytically investigated and experimentally verified. Security enhancement for 40Gb/s OOK data using fast reconfigurable 40Gchip/s optical codes with code lengths of up to 1024 has been demonstrated and compared with a 10Gb/s system.

© 2011 Optical Society of America

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2011

2010

2009

M. P. Fok and P. R. Prucnal, Electron. Lett. 45, 179 (2009).
[CrossRef]

2008

S. Etemad, A. Agarwal, T. Banwell, G. Crescenzo, J. Jackel, R. Menendez, and P. Toliver, IEEE Commun. Mag. 46(8), 32 (2008).
[CrossRef]

V. Annovzzi-Lodi, A. Argyris, M. Benedetti, M. Hamacher, S. Merlo, and D. Syvridis, Opt. Photon. News 19(10), 36 (2008).
[CrossRef]

2007

Y. Du, F. Xue, S. J. B. Yoo, and Z. Ding, J. Lightwave Technol. 25, 2799 (2007).
[CrossRef]

N. Gisin and R. Thew, Nat. Photon. 1, 165 (2007).
[CrossRef]

J. P. Heritage and A. M. Weiner, IEEE J. Quantum Electron. 13, 1351 (2007).
[CrossRef]

2005

1995

Agarwal, A.

S. Etemad, A. Agarwal, T. Banwell, G. Crescenzo, J. Jackel, R. Menendez, and P. Toliver, IEEE Commun. Mag. 46(8), 32 (2008).
[CrossRef]

Annovzzi-Lodi, V.

V. Annovzzi-Lodi, A. Argyris, M. Benedetti, M. Hamacher, S. Merlo, and D. Syvridis, Opt. Photon. News 19(10), 36 (2008).
[CrossRef]

Argyris, A.

V. Annovzzi-Lodi, A. Argyris, M. Benedetti, M. Hamacher, S. Merlo, and D. Syvridis, Opt. Photon. News 19(10), 36 (2008).
[CrossRef]

Banwell, T.

S. Etemad, A. Agarwal, T. Banwell, G. Crescenzo, J. Jackel, R. Menendez, and P. Toliver, IEEE Commun. Mag. 46(8), 32 (2008).
[CrossRef]

Benedetti, M.

V. Annovzzi-Lodi, A. Argyris, M. Benedetti, M. Hamacher, S. Merlo, and D. Syvridis, Opt. Photon. News 19(10), 36 (2008).
[CrossRef]

Chen, H.

Chen, M.

Crescenzo, G.

S. Etemad, A. Agarwal, T. Banwell, G. Crescenzo, J. Jackel, R. Menendez, and P. Toliver, IEEE Commun. Mag. 46(8), 32 (2008).
[CrossRef]

Dai, B.

Debarge, G.

Ding, Z.

Du, Y.

Etemad, S.

S. Etemad, A. Agarwal, T. Banwell, G. Crescenzo, J. Jackel, R. Menendez, and P. Toliver, IEEE Commun. Mag. 46(8), 32 (2008).
[CrossRef]

Fejer, M. M.

Fok, M. P.

M. P. Fok and P. R. Prucnal, Electron. Lett. 45, 179 (2009).
[CrossRef]

Gallion, P.

Gao, Z.

Gisin, N.

N. Gisin and R. Thew, Nat. Photon. 1, 165 (2007).
[CrossRef]

Hamacher, M.

V. Annovzzi-Lodi, A. Argyris, M. Benedetti, M. Hamacher, S. Merlo, and D. Syvridis, Opt. Photon. News 19(10), 36 (2008).
[CrossRef]

Heritage, J. P.

J. P. Heritage and A. M. Weiner, IEEE J. Quantum Electron. 13, 1351 (2007).
[CrossRef]

Jackel, J.

S. Etemad, A. Agarwal, T. Banwell, G. Crescenzo, J. Jackel, R. Menendez, and P. Toliver, IEEE Commun. Mag. 46(8), 32 (2008).
[CrossRef]

Jiang, Z.

Kataoka, N.

Langrock, C.

Lazaridis, P.

Leaird, D. E.

Menendez, R.

S. Etemad, A. Agarwal, T. Banwell, G. Crescenzo, J. Jackel, R. Menendez, and P. Toliver, IEEE Commun. Mag. 46(8), 32 (2008).
[CrossRef]

Merlo, S.

V. Annovzzi-Lodi, A. Argyris, M. Benedetti, M. Hamacher, S. Merlo, and D. Syvridis, Opt. Photon. News 19(10), 36 (2008).
[CrossRef]

Prucnal, P. R.

M. P. Fok and P. R. Prucnal, Electron. Lett. 45, 179 (2009).
[CrossRef]

Roussev, R. V.

Seo, D. S.

Shake, T. H.

Si, Z.

Syvridis, D.

V. Annovzzi-Lodi, A. Argyris, M. Benedetti, M. Hamacher, S. Merlo, and D. Syvridis, Opt. Photon. News 19(10), 36 (2008).
[CrossRef]

Thew, R.

N. Gisin and R. Thew, Nat. Photon. 1, 165 (2007).
[CrossRef]

Toliver, P.

S. Etemad, A. Agarwal, T. Banwell, G. Crescenzo, J. Jackel, R. Menendez, and P. Toliver, IEEE Commun. Mag. 46(8), 32 (2008).
[CrossRef]

Wada, N.

Wang, X.

Weiner, A. M.

Xie, S.

Xin, M.

Xue, F.

Yang, S.-D.

Yin, F.

Yoo, S. J. B.

Electron. Lett.

M. P. Fok and P. R. Prucnal, Electron. Lett. 45, 179 (2009).
[CrossRef]

IEEE Commun. Mag.

S. Etemad, A. Agarwal, T. Banwell, G. Crescenzo, J. Jackel, R. Menendez, and P. Toliver, IEEE Commun. Mag. 46(8), 32 (2008).
[CrossRef]

IEEE J. Quantum Electron.

J. P. Heritage and A. M. Weiner, IEEE J. Quantum Electron. 13, 1351 (2007).
[CrossRef]

J. Lightwave Technol.

Nat. Photon.

N. Gisin and R. Thew, Nat. Photon. 1, 165 (2007).
[CrossRef]

Opt. Lett.

Opt. Photon. News

V. Annovzzi-Lodi, A. Argyris, M. Benedetti, M. Hamacher, S. Merlo, and D. Syvridis, Opt. Photon. News 19(10), 36 (2008).
[CrossRef]

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Figures (5)

Fig. 1
Fig. 1

Experimental setup of the 40 Gb / s secure optical communication system. PC, polarization controller.

Fig. 2
Fig. 2

(a), (b) Spectra of the uncoded and encoded signal; (c) temporal profile of the stretched 40 Gb / s OOK pulse train after the LCFBGs.

Fig. 3
Fig. 3

(a) Time duration T cr versus D and R C ; (b) minimum required D versus R C for 10 and 40 Gb / s .

Fig. 4
Fig. 4

Waveforms and eye diagrams of (a), (b) correct and (c), (d) incorrect decoding for 40 Gb / s , 40 Gchip / s ; (e), (f) incorrect decoding for 40 Gb / s , 10 Gchip / s ; (g), (h) incorrectly decoded signals for 10 Gb / s , 40 Gchip / s .

Fig. 5
Fig. 5

(a) Original pattern; (b), (c) encoded patterns with R C of 10 and 40 Gchip / s ; (d) BER for the four 10 Gb / s tributaries with various OCs.

Equations (1)

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T cr = 0.8 · 0.441 · R C · D 100 .

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