Abstract

This paper demonstrates a high-performance optical-code-division-multiple-access (O-CDMA) network testbed using the spectral phase encoded time spreading (SPECTS) method. Through additional time and polarization multiplexing, a total of 32 10-Gb/s users are supported while sharing eight O-CDMA spreading codes. User detection is achieved with time gating and nonlinear thresholding to suppress the multiaccess interference of other users. Incorporation of forward error correction successfully reduces the performance loss imposed by coherent beat interference, resulting in error-free performance (BER<10<sup>-11</sup>), significant per-user power penalty reduction, and the elimination of a bit-error-rate noise floor. The testbed also applies bandwidth suppression within the encoders and decoders, yielding a 52% increase in spectral efficiency.

© 2007 IEEE

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  2. T. H. Shake, "Confidentiality performance of spectral-phase-encoded optical CDMA," J. Lightw. Technol. 23, 1652-1663 (2005).
  3. T. H. Shake, "Security performance of optical CDMA against eavesdropping," J. Lightw. Technol. 23, 655-670 (2005).
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  5. R. Adams, J. Faucher, L. Thomas, D. V. Plant, L. R. Chen, "Demonstration of encoding and decoding 2-D wavelength-time bipolar codes for OCDMA systems with differential detection," IEEE Photon. Technol. Lett. 17, 2490-2492 (2005).
  6. V. J. Hernandez, A. J. Mendez, C. V. Bennett, R. M. Gagliardi, W. J. Lennon, "Bit-error rate analysis of a 16-user gigabit ethernet optical-CDMA (O-CDMA) technology demonstrator using wavelength/time codes," IEEE Photon. Technol. Lett. 17, 2784-2786 (2005).
  7. V. Baby, I. Glesk, R. J. Runser, R. Fischer, H. Yue-Kai, C. S. Bres, W. C. Kwong, T. H. Curtis, P. R. Prucnal, "Experimental demonstration and scalability analysis of a four-node 102-Gchip/s fast frequency-hopping time-spreading optical CDMA network," IEEE Photon. Technol. Lett. 17, 253-255 (2005).
  8. S. Ayotte, M. Rochette, J. Magne, L. A. Rusch, S. LaRochelle, "Experimental verification and capacity prediction of FE-OCDMA using superimposed FBG ," J. Lightw. Technol. 23, 724-731 (2005).
  9. J. Zhi, S. Dongsun, Y. Shangda, D. E. Leaird, R. V. Roussev, C. Langrock, M. M. Fejer, A. M. Weiner, "Four-user 10-Gb/s spectrally phase-coded O-CDMA system operating at ~30 fJ/bit," IEEE Photon. Technol. Lett. 17, 705-707 (2005).
  10. R. C. Menendez, P. Toliver, S. Galli, A. Agarwal, T. Banwell, J. Jackel, J. Young, S. Etemad, "Network applications of cascaded passive code translation for WDM-compatible spectrally phase-encoded optical CDMA," J. Lightw. Technol. 23, 3219-3231 (2005).
  11. R. P. Scott, W. Cong, V. J. Hernandez, K. Li, B. H. Kolner, J. P. Heritage, S. J. B. Yoo, "An eight-user time-slotted SPECTS O-CDMA testbed: Demonstration and simulations," J. Lightw. Technol. 23, 3232-3240 (2005).
  12. T. Hamanaka, X. Wang, N. Wada, A. Nishiki, K. Kitayama, "Ten-user truly asynchronous gigabit OCDMA transmission experiment with a 511-chip SSFBG en/decoder ," J. Lightw. Technol. 24, 95-102 (2006).
  13. A. M. Weiner, J. P. Heritage, J. A. Salehi, "Encoding and decoding of femtosecond pulses," Opt. Lett. 13, 300-302 (1988).
  14. J. A. Salehi, A. M. Weiner, J. P. Heritage, "Coherent ultrashort light pulse code-division multiple access communication systems ," J. Lightw. Technol. 8, 478-491 (1990).
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  17. W. Cong, C. Yang, R. P. Scott, V. J. Hernandez, N. K. Fontaine, B. H. Kolner, J. P. Heritage, S. J. B. Yoo, "Demonstration of 160- and 320-Gb/s SPECTS O-CDMA network testbeds," IEEE Photon. Technol. Lett. 18, 1567-1569 (2006).
  18. V. J. Hernandez, W. Cong, R. P. Scott, C. Yang, N. K. Fontaine, B. H. Kolner, J. P. Heritage, S. J. B. Yoo, "320-Gb/s capacity (32 users × 10 Gb/s) SPECTS O-CDMA local area network testbed," Optical Fiber Commun. Conf. (OFC) AnaheimCA (2006) paper PDP45.
  19. Z. Jiang, S.-D. Yang, D. E. Leaird, A. M. Weiner, "Fully dispersion-compensated ~500 fs pulse transmission over 50 km single-mode fiber," Opt. Lett. 30, 1449-1451 (2005).
  20. A. M. Weiner, "Femtosecond pulse shaping using spatial light modulators," Rev. Sci. Instrum. 71, 1929-1960 (2000).
  21. S. Shen, A. M. Weiner, "Complete dispersion compensation for 400-fs pulse transmission over 10-km fiber link using dispersion compensating fiber and spectral phase equalizer," IEEE Photon. Technol. Lett. 11, 827-829 (1999).
  22. H. Tsuda, H. Takenouchi, T. Ishii, K. Okamoto, T. Goh, K. Sato, A. Hirano, T. Kurokawa, C. Amano, "Spectral encoding and decoding of 10 Gb/s femtosecond pulses using high resolution arrayed-waveguide grating," Electron. Lett. 35, 1186-1188 (1999).
  23. C. Ji, R. G. Broeke, Y. Du, C. Jing, N. Chubun, P. Bjeletich, F. Olsson, S. Lourdudoss, R. Welty, C. Reinhardt, P. L. Stephan, S. J. B. Yoo, "Monolithically integrated InP-based photonic chip development for O-CDMA systems," IEEE J. Sel. Topics Quantum Electron. 11, 66-77 (2005).
  24. J. Cao, R. G. Broeke, N. Fontaine, W. Cong, C. Ji, Y. Du, N. Chubun, K. Aihara, A.-V. Pham, J. P. Heritage, B. H. Kolner, S. J. B. Yoo, F. Olsson, S. Lourdudoss, P. L. Stephan, "Error-free spectral encoding and decoding operation of InP O-CDMA encoder," Optical Fiber Commun. Conf. (OFC) AnaheimCA (2006) paper OWL2.
  25. X. Wang, K. Kitayama, "Analysis of beat noise in coherent and incoherent time-spreading OCDMA," J. Lightw. Technol. 22, 2226-2235 (2004).

2006 (2)

T. Hamanaka, X. Wang, N. Wada, A. Nishiki, K. Kitayama, "Ten-user truly asynchronous gigabit OCDMA transmission experiment with a 511-chip SSFBG en/decoder ," J. Lightw. Technol. 24, 95-102 (2006).

W. Cong, C. Yang, R. P. Scott, V. J. Hernandez, N. K. Fontaine, B. H. Kolner, J. P. Heritage, S. J. B. Yoo, "Demonstration of 160- and 320-Gb/s SPECTS O-CDMA network testbeds," IEEE Photon. Technol. Lett. 18, 1567-1569 (2006).

2005 (11)

C. Ji, R. G. Broeke, Y. Du, C. Jing, N. Chubun, P. Bjeletich, F. Olsson, S. Lourdudoss, R. Welty, C. Reinhardt, P. L. Stephan, S. J. B. Yoo, "Monolithically integrated InP-based photonic chip development for O-CDMA systems," IEEE J. Sel. Topics Quantum Electron. 11, 66-77 (2005).

T. H. Shake, "Confidentiality performance of spectral-phase-encoded optical CDMA," J. Lightw. Technol. 23, 1652-1663 (2005).

T. H. Shake, "Security performance of optical CDMA against eavesdropping," J. Lightw. Technol. 23, 655-670 (2005).

R. Adams, J. Faucher, L. Thomas, D. V. Plant, L. R. Chen, "Demonstration of encoding and decoding 2-D wavelength-time bipolar codes for OCDMA systems with differential detection," IEEE Photon. Technol. Lett. 17, 2490-2492 (2005).

V. J. Hernandez, A. J. Mendez, C. V. Bennett, R. M. Gagliardi, W. J. Lennon, "Bit-error rate analysis of a 16-user gigabit ethernet optical-CDMA (O-CDMA) technology demonstrator using wavelength/time codes," IEEE Photon. Technol. Lett. 17, 2784-2786 (2005).

V. Baby, I. Glesk, R. J. Runser, R. Fischer, H. Yue-Kai, C. S. Bres, W. C. Kwong, T. H. Curtis, P. R. Prucnal, "Experimental demonstration and scalability analysis of a four-node 102-Gchip/s fast frequency-hopping time-spreading optical CDMA network," IEEE Photon. Technol. Lett. 17, 253-255 (2005).

S. Ayotte, M. Rochette, J. Magne, L. A. Rusch, S. LaRochelle, "Experimental verification and capacity prediction of FE-OCDMA using superimposed FBG ," J. Lightw. Technol. 23, 724-731 (2005).

J. Zhi, S. Dongsun, Y. Shangda, D. E. Leaird, R. V. Roussev, C. Langrock, M. M. Fejer, A. M. Weiner, "Four-user 10-Gb/s spectrally phase-coded O-CDMA system operating at ~30 fJ/bit," IEEE Photon. Technol. Lett. 17, 705-707 (2005).

R. C. Menendez, P. Toliver, S. Galli, A. Agarwal, T. Banwell, J. Jackel, J. Young, S. Etemad, "Network applications of cascaded passive code translation for WDM-compatible spectrally phase-encoded optical CDMA," J. Lightw. Technol. 23, 3219-3231 (2005).

R. P. Scott, W. Cong, V. J. Hernandez, K. Li, B. H. Kolner, J. P. Heritage, S. J. B. Yoo, "An eight-user time-slotted SPECTS O-CDMA testbed: Demonstration and simulations," J. Lightw. Technol. 23, 3232-3240 (2005).

Z. Jiang, S.-D. Yang, D. E. Leaird, A. M. Weiner, "Fully dispersion-compensated ~500 fs pulse transmission over 50 km single-mode fiber," Opt. Lett. 30, 1449-1451 (2005).

2004 (2)

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

X. Wang, K. Kitayama, "Analysis of beat noise in coherent and incoherent time-spreading OCDMA," J. Lightw. Technol. 22, 2226-2235 (2004).

2002 (1)

A. Stok, E. H. Sargent, "The role of optical CDMA in access networks," IEEE Commun. Mag. 40, 83-87 (2002).

2000 (1)

A. M. Weiner, "Femtosecond pulse shaping using spatial light modulators," Rev. Sci. Instrum. 71, 1929-1960 (2000).

1999 (2)

S. Shen, A. M. Weiner, "Complete dispersion compensation for 400-fs pulse transmission over 10-km fiber link using dispersion compensating fiber and spectral phase equalizer," IEEE Photon. Technol. Lett. 11, 827-829 (1999).

H. Tsuda, H. Takenouchi, T. Ishii, K. Okamoto, T. Goh, K. Sato, A. Hirano, T. Kurokawa, C. Amano, "Spectral encoding and decoding of 10 Gb/s femtosecond pulses using high resolution arrayed-waveguide grating," Electron. Lett. 35, 1186-1188 (1999).

1998 (1)

H. P. Sardesai, C. C. Chang, A. M. Weiner, "A femtosecond code-division multiple access communication system test bed," J. Lightw. Technol. 16, 1953-1964 (1998).

1996 (1)

N. Karafolas, D. Uttamchandani, "Optical fiber code division multiple access networks: A review," Opt. Fiber Technol. 2, 149-168 (1996).

1990 (1)

J. A. Salehi, A. M. Weiner, J. P. Heritage, "Coherent ultrashort light pulse code-division multiple access communication systems ," J. Lightw. Technol. 8, 478-491 (1990).

1988 (1)

Electron. Lett. (1)

H. Tsuda, H. Takenouchi, T. Ishii, K. Okamoto, T. Goh, K. Sato, A. Hirano, T. Kurokawa, C. Amano, "Spectral encoding and decoding of 10 Gb/s femtosecond pulses using high resolution arrayed-waveguide grating," Electron. Lett. 35, 1186-1188 (1999).

IEEE Commun. Mag. (1)

A. Stok, E. H. Sargent, "The role of optical CDMA in access networks," IEEE Commun. Mag. 40, 83-87 (2002).

IEEE J. Sel. Topics Quantum Electron. (1)

C. Ji, R. G. Broeke, Y. Du, C. Jing, N. Chubun, P. Bjeletich, F. Olsson, S. Lourdudoss, R. Welty, C. Reinhardt, P. L. Stephan, S. J. B. Yoo, "Monolithically integrated InP-based photonic chip development for O-CDMA systems," IEEE J. Sel. Topics Quantum Electron. 11, 66-77 (2005).

IEEE Photon. Technol. Lett. (6)

R. Adams, J. Faucher, L. Thomas, D. V. Plant, L. R. Chen, "Demonstration of encoding and decoding 2-D wavelength-time bipolar codes for OCDMA systems with differential detection," IEEE Photon. Technol. Lett. 17, 2490-2492 (2005).

V. J. Hernandez, A. J. Mendez, C. V. Bennett, R. M. Gagliardi, W. J. Lennon, "Bit-error rate analysis of a 16-user gigabit ethernet optical-CDMA (O-CDMA) technology demonstrator using wavelength/time codes," IEEE Photon. Technol. Lett. 17, 2784-2786 (2005).

V. Baby, I. Glesk, R. J. Runser, R. Fischer, H. Yue-Kai, C. S. Bres, W. C. Kwong, T. H. Curtis, P. R. Prucnal, "Experimental demonstration and scalability analysis of a four-node 102-Gchip/s fast frequency-hopping time-spreading optical CDMA network," IEEE Photon. Technol. Lett. 17, 253-255 (2005).

J. Zhi, S. Dongsun, Y. Shangda, D. E. Leaird, R. V. Roussev, C. Langrock, M. M. Fejer, A. M. Weiner, "Four-user 10-Gb/s spectrally phase-coded O-CDMA system operating at ~30 fJ/bit," IEEE Photon. Technol. Lett. 17, 705-707 (2005).

W. Cong, C. Yang, R. P. Scott, V. J. Hernandez, N. K. Fontaine, B. H. Kolner, J. P. Heritage, S. J. B. Yoo, "Demonstration of 160- and 320-Gb/s SPECTS O-CDMA network testbeds," IEEE Photon. Technol. Lett. 18, 1567-1569 (2006).

S. Shen, A. M. Weiner, "Complete dispersion compensation for 400-fs pulse transmission over 10-km fiber link using dispersion compensating fiber and spectral phase equalizer," IEEE Photon. Technol. Lett. 11, 827-829 (1999).

J. Lightw. Technol. (10)

R. C. Menendez, P. Toliver, S. Galli, A. Agarwal, T. Banwell, J. Jackel, J. Young, S. Etemad, "Network applications of cascaded passive code translation for WDM-compatible spectrally phase-encoded optical CDMA," J. Lightw. Technol. 23, 3219-3231 (2005).

R. P. Scott, W. Cong, V. J. Hernandez, K. Li, B. H. Kolner, J. P. Heritage, S. J. B. Yoo, "An eight-user time-slotted SPECTS O-CDMA testbed: Demonstration and simulations," J. Lightw. Technol. 23, 3232-3240 (2005).

T. Hamanaka, X. Wang, N. Wada, A. Nishiki, K. Kitayama, "Ten-user truly asynchronous gigabit OCDMA transmission experiment with a 511-chip SSFBG en/decoder ," J. Lightw. Technol. 24, 95-102 (2006).

J. A. Salehi, A. M. Weiner, J. P. Heritage, "Coherent ultrashort light pulse code-division multiple access communication systems ," J. Lightw. Technol. 8, 478-491 (1990).

H. P. Sardesai, C. C. Chang, A. M. Weiner, "A femtosecond code-division multiple access communication system test bed," J. Lightw. Technol. 16, 1953-1964 (1998).

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

S. Ayotte, M. Rochette, J. Magne, L. A. Rusch, S. LaRochelle, "Experimental verification and capacity prediction of FE-OCDMA using superimposed FBG ," J. Lightw. Technol. 23, 724-731 (2005).

T. H. Shake, "Confidentiality performance of spectral-phase-encoded optical CDMA," J. Lightw. Technol. 23, 1652-1663 (2005).

T. H. Shake, "Security performance of optical CDMA against eavesdropping," J. Lightw. Technol. 23, 655-670 (2005).

X. Wang, K. Kitayama, "Analysis of beat noise in coherent and incoherent time-spreading OCDMA," J. Lightw. Technol. 22, 2226-2235 (2004).

Opt. Fiber Technol. (1)

N. Karafolas, D. Uttamchandani, "Optical fiber code division multiple access networks: A review," Opt. Fiber Technol. 2, 149-168 (1996).

Opt. Lett. (2)

Rev. Sci. Instrum. (1)

A. M. Weiner, "Femtosecond pulse shaping using spatial light modulators," Rev. Sci. Instrum. 71, 1929-1960 (2000).

Other (2)

V. J. Hernandez, W. Cong, R. P. Scott, C. Yang, N. K. Fontaine, B. H. Kolner, J. P. Heritage, S. J. B. Yoo, "320-Gb/s capacity (32 users × 10 Gb/s) SPECTS O-CDMA local area network testbed," Optical Fiber Commun. Conf. (OFC) AnaheimCA (2006) paper PDP45.

J. Cao, R. G. Broeke, N. Fontaine, W. Cong, C. Ji, Y. Du, N. Chubun, K. Aihara, A.-V. Pham, J. P. Heritage, B. H. Kolner, S. J. B. Yoo, F. Olsson, S. Lourdudoss, P. L. Stephan, "Error-free spectral encoding and decoding operation of InP O-CDMA encoder," Optical Fiber Commun. Conf. (OFC) AnaheimCA (2006) paper OWL2.

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