Abstract

We propose and experimentally demonstrate a 2.5Gbits/s reconfigurable encoder-decoder structure that can be used for two-dimensional (time-wavelength) optical code-division multiple access (OCDMA) systems. Each encoder and decoder is constructed using a single opto-very-large-scale-integrated (VLSI) processor for encoding N users, thus eliminating the need for optical switching between encoders. The opto-VLSI processor synthesizes wavelength codewords through computer-generated digital phase holograms, which can switch the wavelength through different true-time-delay paths. The encoded signal can be successfully retrieved at the decoder side only when the digital phase holograms of the encoder and the decoder are matched. The system performance is measured in terms of the generated autocorrelation and cross-correlation functions as well as eye diagrams.

© 2008 Optical Society of America

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  1. I. Fsaifes, C. Lepers, A.-F. Obaton, and P. Gallion, “DS-OCDMA encoder/decoder performance analysis using optical low-coherence reflectometry,” J. Lightwave Technol. 24, 3121-3128 (2006).
    [CrossRef]
  2. M. Rochette, S. Ayotte, and L. A. Rusch, “Analysis of the spectral efficiency of frequency-encoded OCDMA systems with incoherent sources,” J. Lightwave Technol. 23, 1610-1619 (2005).
    [CrossRef]
  3. P. R. Prucnal, M. A. Santro, and T. R. Fan, “Spread spectrum fiber-optic local area network using optical processing,” J. Lightwave Technol. 4, 547-554 (1986).
  4. Z. Wei, H. M. H. Shalaby, and H. Ghafouri-Shiraz, “Modified quadratic congruence codes for fiber Bragg-grating-based spectral-amplitude-coding optical CDMA systems,” J. Lightwave Technol. 19, 1274-1281 (2001).
    [CrossRef]
  5. V. J. Hernandez, Y. Du, W. Cong, R. P. Scott, K. Li, J. P. Heritage, Z. Ding, B. H. Kolner, and S. J. B. Yoo, “Spectral phase-encoded time-spreading (SPECTS) optical code-division multiple access for terabit optical access networks,” J. Lightwave Technol. 22, 2671-2679 (2004).
    [CrossRef]
  6. C.-H. Lin, J. Wu, and C.-L. Yang, “Noncoherent spatial/spectral optical CDMA system with two-dimensional perfect difference codes,” J. Lightwave Technol. 23, 3966-3980 (2005).
    [CrossRef]
  7. P. Wang and T. Le-Ngoc, “2-D optical CDMA networks using MWPM double hard limiters and modified carrier-hopping prime sequence,” J. Lightwave Technol. 23, 2902-2913 (2005).
    [CrossRef]
  8. S. Kim, K. Yu, and N. Park, “A new family of space/wavelength/time spread three-dimensional optical code for OCDMA networks,” J. Lightwave Technol. 18, 502-511 (2000).
    [CrossRef]
  9. H. Fathallah, L. A. Rusch, and S. LaRochelle, “Passive optical fast frequency-hop CDMA communications system,” J. Lightwave Technol. 17, 397-405 (1999).
    [CrossRef]
  10. M. Aljada, K. E. Alameh, and K. Al-Begain, “Opto-VLSI-based correlator architecture for multiwavelength optical header recognition,” J. Lightwave Technol. 24, 2779-2785 (2006).
    [CrossRef]
  11. M. Aljada, K. E. Alameh, Y.-T. Lee, and I.-S. Chung, “High-speed (2.5Gbps) reconfigurable inter-chip optical interconnects using opto-VLSI processors,” Opt. Express 14, 6823-6836 (2006).
    [CrossRef]
  12. I. G. Manolis, T. D. Wilkinson, M. M. Redmond, and W. A. Crossland, “Reconfigurable multilevel phase holograms for optical switches,” IEEE Photon. Technol. Lett. 14, 801-803 (2002).
    [CrossRef]
  13. H. Dammann, “Spectral characteristics of stepped-phase gratings,” Optik (Jena) 53, 409-417 (1979).

2006 (3)

2005 (3)

2004 (1)

2002 (1)

I. G. Manolis, T. D. Wilkinson, M. M. Redmond, and W. A. Crossland, “Reconfigurable multilevel phase holograms for optical switches,” IEEE Photon. Technol. Lett. 14, 801-803 (2002).
[CrossRef]

2001 (1)

2000 (1)

1999 (1)

1986 (1)

P. R. Prucnal, M. A. Santro, and T. R. Fan, “Spread spectrum fiber-optic local area network using optical processing,” J. Lightwave Technol. 4, 547-554 (1986).

1979 (1)

H. Dammann, “Spectral characteristics of stepped-phase gratings,” Optik (Jena) 53, 409-417 (1979).

Alameh, K. E.

Al-Begain, K.

Aljada, M.

Ayotte, S.

Chung, I.-S.

Cong, W.

Crossland, W. A.

I. G. Manolis, T. D. Wilkinson, M. M. Redmond, and W. A. Crossland, “Reconfigurable multilevel phase holograms for optical switches,” IEEE Photon. Technol. Lett. 14, 801-803 (2002).
[CrossRef]

Dammann, H.

H. Dammann, “Spectral characteristics of stepped-phase gratings,” Optik (Jena) 53, 409-417 (1979).

Ding, Z.

Du, Y.

Fan, T. R.

P. R. Prucnal, M. A. Santro, and T. R. Fan, “Spread spectrum fiber-optic local area network using optical processing,” J. Lightwave Technol. 4, 547-554 (1986).

Fathallah, H.

Fsaifes, I.

Gallion, P.

Ghafouri-Shiraz, H.

Heritage, J. P.

Hernandez, V. J.

Kim, S.

Kolner, B. H.

LaRochelle, S.

Lee, Y.-T.

Le-Ngoc, T.

Lepers, C.

Li, K.

Lin, C.-H.

Manolis, I. G.

I. G. Manolis, T. D. Wilkinson, M. M. Redmond, and W. A. Crossland, “Reconfigurable multilevel phase holograms for optical switches,” IEEE Photon. Technol. Lett. 14, 801-803 (2002).
[CrossRef]

Obaton, A.-F.

Park, N.

Prucnal, P. R.

P. R. Prucnal, M. A. Santro, and T. R. Fan, “Spread spectrum fiber-optic local area network using optical processing,” J. Lightwave Technol. 4, 547-554 (1986).

Redmond, M. M.

I. G. Manolis, T. D. Wilkinson, M. M. Redmond, and W. A. Crossland, “Reconfigurable multilevel phase holograms for optical switches,” IEEE Photon. Technol. Lett. 14, 801-803 (2002).
[CrossRef]

Rochette, M.

Rusch, L. A.

Santro, M. A.

P. R. Prucnal, M. A. Santro, and T. R. Fan, “Spread spectrum fiber-optic local area network using optical processing,” J. Lightwave Technol. 4, 547-554 (1986).

Scott, R. P.

Shalaby, H. M. H.

Wang, P.

Wei, Z.

Wilkinson, T. D.

I. G. Manolis, T. D. Wilkinson, M. M. Redmond, and W. A. Crossland, “Reconfigurable multilevel phase holograms for optical switches,” IEEE Photon. Technol. Lett. 14, 801-803 (2002).
[CrossRef]

Wu, J.

Yang, C.-L.

Yoo, S. J. B.

Yu, K.

IEEE Photon. Technol. Lett. (1)

I. G. Manolis, T. D. Wilkinson, M. M. Redmond, and W. A. Crossland, “Reconfigurable multilevel phase holograms for optical switches,” IEEE Photon. Technol. Lett. 14, 801-803 (2002).
[CrossRef]

J. Lightwave Technol. (10)

P. R. Prucnal, M. A. Santro, and T. R. Fan, “Spread spectrum fiber-optic local area network using optical processing,” J. Lightwave Technol. 4, 547-554 (1986).

I. Fsaifes, C. Lepers, A.-F. Obaton, and P. Gallion, “DS-OCDMA encoder/decoder performance analysis using optical low-coherence reflectometry,” J. Lightwave Technol. 24, 3121-3128 (2006).
[CrossRef]

S. Kim, K. Yu, and N. Park, “A new family of space/wavelength/time spread three-dimensional optical code for OCDMA networks,” J. Lightwave Technol. 18, 502-511 (2000).
[CrossRef]

H. Fathallah, L. A. Rusch, and S. LaRochelle, “Passive optical fast frequency-hop CDMA communications system,” J. Lightwave Technol. 17, 397-405 (1999).
[CrossRef]

Z. Wei, H. M. H. Shalaby, and H. Ghafouri-Shiraz, “Modified quadratic congruence codes for fiber Bragg-grating-based spectral-amplitude-coding optical CDMA systems,” J. Lightwave Technol. 19, 1274-1281 (2001).
[CrossRef]

V. J. Hernandez, Y. Du, W. Cong, R. P. Scott, K. Li, J. P. Heritage, Z. Ding, B. H. Kolner, and S. J. B. Yoo, “Spectral phase-encoded time-spreading (SPECTS) optical code-division multiple access for terabit optical access networks,” J. Lightwave Technol. 22, 2671-2679 (2004).
[CrossRef]

M. Rochette, S. Ayotte, and L. A. Rusch, “Analysis of the spectral efficiency of frequency-encoded OCDMA systems with incoherent sources,” J. Lightwave Technol. 23, 1610-1619 (2005).
[CrossRef]

P. Wang and T. Le-Ngoc, “2-D optical CDMA networks using MWPM double hard limiters and modified carrier-hopping prime sequence,” J. Lightwave Technol. 23, 2902-2913 (2005).
[CrossRef]

C.-H. Lin, J. Wu, and C.-L. Yang, “Noncoherent spatial/spectral optical CDMA system with two-dimensional perfect difference codes,” J. Lightwave Technol. 23, 3966-3980 (2005).
[CrossRef]

M. Aljada, K. E. Alameh, and K. Al-Begain, “Opto-VLSI-based correlator architecture for multiwavelength optical header recognition,” J. Lightwave Technol. 24, 2779-2785 (2006).
[CrossRef]

Opt. Express (1)

Optik (Jena) (1)

H. Dammann, “Spectral characteristics of stepped-phase gratings,” Optik (Jena) 53, 409-417 (1979).

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