Abstract

An adaptive delay control to maintain time-interleaving condition of multi-channel input signals of all-optical amplitude limiter based on saturation of four-wave mixing (FWM) in a nonlinear fiber is demonstrated. The delay control utilizes as a monitor signal the optical power after the nonlinear fiber at a wavelength that is affected by interchannel FWM in the fiber. When the scheme is applied to 2 x 10 Gbit/s return-to-zero differential phase-shift keying signals where the time separation between the input channels is intentionally changed randomly, the delay control works well and error free detection after transmission is obtained.

© 2011 OSA

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References

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  1. M. Matsumoto, “Regeneration of RZ-DPSK signals by fiber-based all-optical regenerators,” IEEE Photon. Technol. Lett. 17(5), 1055–1057 (2005).
    [CrossRef]
  2. K. Croussore and G. Li, “Amplitude regeneration of RZ-DPSK signals based on four-wave mixing in fibre,” Electron. Lett. 43(3), 177–178 (2007).
    [CrossRef]
  3. C. Peucheret, M. Lorenzen, J. Seoane, D. Noordegraaf, C. V. Nielsen, L. Gruner-Nielsen, and K. Rottwitt, “Amplitude regeneration of RZ-DPSK signals in single-pump fiber-optic parametric amplifiers,” IEEE Photon. Technol. Lett. 21(13), 872–874 (2009).
    [CrossRef]
  4. K. Cvecek, K. Sponsel, G. Onishchukov, B. Schmauss, and G. Leuchs, “2R-regeneration of an RZ-DPSK signal using a nonlinear amplifying loop mirror,” IEEE Photon. Technol. Lett. 19(3), 146–148 (2007).
    [CrossRef]
  5. M. Gao, J. Kurumida, and S. Namiki, “Wavelength-tunable optical parametric regenerator,” Opt. Lett. 35(20), 3468–3470 (2010).
    [CrossRef] [PubMed]
  6. T. Ohara, H. Takara, A. Hirano, K. Mori, and S. Kawanishi, “40-Gb/s × 4-channel all-optical multichannel limiter utilizing spectrally filtered optical solitons,” IEEE Photon. Technol. Lett. 15(5), 763–765 (2003).
    [CrossRef]
  7. M. Vasilyev and T. I. Lakoba, “All-optical multichannel 2R regeneration in a fiber-based device,” Opt. Lett. 30(12), 1458–1460 (2005).
    [CrossRef] [PubMed]
  8. Ch. Kouloumentas, P. Vorreau, L. Provost, P. Petropoulos, W. Freude, J. Leuthold, and I. Tomkos, “All-fiberized dispersion-managed multichannel regeneration at 43 Gb/s,” IEEE Photon. Technol. Lett. 20(22), 1854–1856 (2008).
    [CrossRef]
  9. L. Provost, F. Parmigiani, P. Petropoulos, D. J. Richardson, K. Mukasa, M. Takahashi, J. Hiroishi, and M. Tadakuma, “Investigation of four-wavelength regenerator using polarization- and direction-multiplexing,” IEEE Photon. Technol. Lett. 20(20), 1676–1678 (2008).
    [CrossRef]
  10. A. Cheng, C. Shu, and M. P. Fok, “All-Optical multi-wavelength extinction ratio enhancement via pump-modulated four-wave mixing,” Proc. OFC, paper JTh61 (2009).
  11. N. Chi, L. Xu, K. S. Berg, T. Tokle, and P. Jeppesen, “All-optical wavelength conversion and multichannel 2R regeneration based on highly nonlinear dispersion-imbalanced loop mirror,” IEEE Photon. Technol. Lett. 14(11), 1581–1583 (2002).
    [CrossRef]
  12. S. Tanabe and M. Matsumoto, “Amplitude limiting of time-interleaved multi-wavelength optical signals using saturation of four-wave mixing in a fiber,” Proc. ECOC, paper 9.1.5 (2009).
  13. N. S. Mohd Shah and M. Matsumoto, “Analysis and experiment of all-optical time-interleaved multi-channel regeneration based on higher-order four-wave mixing in a fiber,” Opt. Commun. 284(19), 4687–4694 (2011).
    [CrossRef]
  14. B. Zhang, L.-S. Yan, J.-Y. Yang, I. Fazal, and A. E. Willner, “A single slow-light element for independent delay control and synchronization on multiple Gb/s data channels,” IEEE Photon. Technol. Lett. 19(14), 1081–1083 (2007).
    [CrossRef]
  15. M. E. Marhic, N. Kagi, T.-K. Chiang, and L. G. Kazovsky, “Broadband fiber optical parametric amplifiers,” Opt. Lett. 21(8), 573–575 (1996).
    [CrossRef] [PubMed]
  16. H. Kim, “Cross-phase-modulation-induced nonlinear phase noise in WDM direct-detection DPSK systems,” J. Lightwave Technol. 21(8), 1770–1774 (2003).
    [CrossRef]

2011 (1)

N. S. Mohd Shah and M. Matsumoto, “Analysis and experiment of all-optical time-interleaved multi-channel regeneration based on higher-order four-wave mixing in a fiber,” Opt. Commun. 284(19), 4687–4694 (2011).
[CrossRef]

2010 (1)

2009 (1)

C. Peucheret, M. Lorenzen, J. Seoane, D. Noordegraaf, C. V. Nielsen, L. Gruner-Nielsen, and K. Rottwitt, “Amplitude regeneration of RZ-DPSK signals in single-pump fiber-optic parametric amplifiers,” IEEE Photon. Technol. Lett. 21(13), 872–874 (2009).
[CrossRef]

2008 (2)

Ch. Kouloumentas, P. Vorreau, L. Provost, P. Petropoulos, W. Freude, J. Leuthold, and I. Tomkos, “All-fiberized dispersion-managed multichannel regeneration at 43 Gb/s,” IEEE Photon. Technol. Lett. 20(22), 1854–1856 (2008).
[CrossRef]

L. Provost, F. Parmigiani, P. Petropoulos, D. J. Richardson, K. Mukasa, M. Takahashi, J. Hiroishi, and M. Tadakuma, “Investigation of four-wavelength regenerator using polarization- and direction-multiplexing,” IEEE Photon. Technol. Lett. 20(20), 1676–1678 (2008).
[CrossRef]

2007 (3)

K. Cvecek, K. Sponsel, G. Onishchukov, B. Schmauss, and G. Leuchs, “2R-regeneration of an RZ-DPSK signal using a nonlinear amplifying loop mirror,” IEEE Photon. Technol. Lett. 19(3), 146–148 (2007).
[CrossRef]

K. Croussore and G. Li, “Amplitude regeneration of RZ-DPSK signals based on four-wave mixing in fibre,” Electron. Lett. 43(3), 177–178 (2007).
[CrossRef]

B. Zhang, L.-S. Yan, J.-Y. Yang, I. Fazal, and A. E. Willner, “A single slow-light element for independent delay control and synchronization on multiple Gb/s data channels,” IEEE Photon. Technol. Lett. 19(14), 1081–1083 (2007).
[CrossRef]

2005 (2)

M. Vasilyev and T. I. Lakoba, “All-optical multichannel 2R regeneration in a fiber-based device,” Opt. Lett. 30(12), 1458–1460 (2005).
[CrossRef] [PubMed]

M. Matsumoto, “Regeneration of RZ-DPSK signals by fiber-based all-optical regenerators,” IEEE Photon. Technol. Lett. 17(5), 1055–1057 (2005).
[CrossRef]

2003 (2)

T. Ohara, H. Takara, A. Hirano, K. Mori, and S. Kawanishi, “40-Gb/s × 4-channel all-optical multichannel limiter utilizing spectrally filtered optical solitons,” IEEE Photon. Technol. Lett. 15(5), 763–765 (2003).
[CrossRef]

H. Kim, “Cross-phase-modulation-induced nonlinear phase noise in WDM direct-detection DPSK systems,” J. Lightwave Technol. 21(8), 1770–1774 (2003).
[CrossRef]

2002 (1)

N. Chi, L. Xu, K. S. Berg, T. Tokle, and P. Jeppesen, “All-optical wavelength conversion and multichannel 2R regeneration based on highly nonlinear dispersion-imbalanced loop mirror,” IEEE Photon. Technol. Lett. 14(11), 1581–1583 (2002).
[CrossRef]

1996 (1)

Berg, K. S.

N. Chi, L. Xu, K. S. Berg, T. Tokle, and P. Jeppesen, “All-optical wavelength conversion and multichannel 2R regeneration based on highly nonlinear dispersion-imbalanced loop mirror,” IEEE Photon. Technol. Lett. 14(11), 1581–1583 (2002).
[CrossRef]

Chi, N.

N. Chi, L. Xu, K. S. Berg, T. Tokle, and P. Jeppesen, “All-optical wavelength conversion and multichannel 2R regeneration based on highly nonlinear dispersion-imbalanced loop mirror,” IEEE Photon. Technol. Lett. 14(11), 1581–1583 (2002).
[CrossRef]

Chiang, T.-K.

Croussore, K.

K. Croussore and G. Li, “Amplitude regeneration of RZ-DPSK signals based on four-wave mixing in fibre,” Electron. Lett. 43(3), 177–178 (2007).
[CrossRef]

Cvecek, K.

K. Cvecek, K. Sponsel, G. Onishchukov, B. Schmauss, and G. Leuchs, “2R-regeneration of an RZ-DPSK signal using a nonlinear amplifying loop mirror,” IEEE Photon. Technol. Lett. 19(3), 146–148 (2007).
[CrossRef]

Fazal, I.

B. Zhang, L.-S. Yan, J.-Y. Yang, I. Fazal, and A. E. Willner, “A single slow-light element for independent delay control and synchronization on multiple Gb/s data channels,” IEEE Photon. Technol. Lett. 19(14), 1081–1083 (2007).
[CrossRef]

Freude, W.

Ch. Kouloumentas, P. Vorreau, L. Provost, P. Petropoulos, W. Freude, J. Leuthold, and I. Tomkos, “All-fiberized dispersion-managed multichannel regeneration at 43 Gb/s,” IEEE Photon. Technol. Lett. 20(22), 1854–1856 (2008).
[CrossRef]

Gao, M.

Gruner-Nielsen, L.

C. Peucheret, M. Lorenzen, J. Seoane, D. Noordegraaf, C. V. Nielsen, L. Gruner-Nielsen, and K. Rottwitt, “Amplitude regeneration of RZ-DPSK signals in single-pump fiber-optic parametric amplifiers,” IEEE Photon. Technol. Lett. 21(13), 872–874 (2009).
[CrossRef]

Hirano, A.

T. Ohara, H. Takara, A. Hirano, K. Mori, and S. Kawanishi, “40-Gb/s × 4-channel all-optical multichannel limiter utilizing spectrally filtered optical solitons,” IEEE Photon. Technol. Lett. 15(5), 763–765 (2003).
[CrossRef]

Hiroishi, J.

L. Provost, F. Parmigiani, P. Petropoulos, D. J. Richardson, K. Mukasa, M. Takahashi, J. Hiroishi, and M. Tadakuma, “Investigation of four-wavelength regenerator using polarization- and direction-multiplexing,” IEEE Photon. Technol. Lett. 20(20), 1676–1678 (2008).
[CrossRef]

Jeppesen, P.

N. Chi, L. Xu, K. S. Berg, T. Tokle, and P. Jeppesen, “All-optical wavelength conversion and multichannel 2R regeneration based on highly nonlinear dispersion-imbalanced loop mirror,” IEEE Photon. Technol. Lett. 14(11), 1581–1583 (2002).
[CrossRef]

Kagi, N.

Kawanishi, S.

T. Ohara, H. Takara, A. Hirano, K. Mori, and S. Kawanishi, “40-Gb/s × 4-channel all-optical multichannel limiter utilizing spectrally filtered optical solitons,” IEEE Photon. Technol. Lett. 15(5), 763–765 (2003).
[CrossRef]

Kazovsky, L. G.

Kim, H.

Kouloumentas, Ch.

Ch. Kouloumentas, P. Vorreau, L. Provost, P. Petropoulos, W. Freude, J. Leuthold, and I. Tomkos, “All-fiberized dispersion-managed multichannel regeneration at 43 Gb/s,” IEEE Photon. Technol. Lett. 20(22), 1854–1856 (2008).
[CrossRef]

Kurumida, J.

Lakoba, T. I.

Leuchs, G.

K. Cvecek, K. Sponsel, G. Onishchukov, B. Schmauss, and G. Leuchs, “2R-regeneration of an RZ-DPSK signal using a nonlinear amplifying loop mirror,” IEEE Photon. Technol. Lett. 19(3), 146–148 (2007).
[CrossRef]

Leuthold, J.

Ch. Kouloumentas, P. Vorreau, L. Provost, P. Petropoulos, W. Freude, J. Leuthold, and I. Tomkos, “All-fiberized dispersion-managed multichannel regeneration at 43 Gb/s,” IEEE Photon. Technol. Lett. 20(22), 1854–1856 (2008).
[CrossRef]

Li, G.

K. Croussore and G. Li, “Amplitude regeneration of RZ-DPSK signals based on four-wave mixing in fibre,” Electron. Lett. 43(3), 177–178 (2007).
[CrossRef]

Lorenzen, M.

C. Peucheret, M. Lorenzen, J. Seoane, D. Noordegraaf, C. V. Nielsen, L. Gruner-Nielsen, and K. Rottwitt, “Amplitude regeneration of RZ-DPSK signals in single-pump fiber-optic parametric amplifiers,” IEEE Photon. Technol. Lett. 21(13), 872–874 (2009).
[CrossRef]

Marhic, M. E.

Matsumoto, M.

N. S. Mohd Shah and M. Matsumoto, “Analysis and experiment of all-optical time-interleaved multi-channel regeneration based on higher-order four-wave mixing in a fiber,” Opt. Commun. 284(19), 4687–4694 (2011).
[CrossRef]

M. Matsumoto, “Regeneration of RZ-DPSK signals by fiber-based all-optical regenerators,” IEEE Photon. Technol. Lett. 17(5), 1055–1057 (2005).
[CrossRef]

Mohd Shah, N. S.

N. S. Mohd Shah and M. Matsumoto, “Analysis and experiment of all-optical time-interleaved multi-channel regeneration based on higher-order four-wave mixing in a fiber,” Opt. Commun. 284(19), 4687–4694 (2011).
[CrossRef]

Mori, K.

T. Ohara, H. Takara, A. Hirano, K. Mori, and S. Kawanishi, “40-Gb/s × 4-channel all-optical multichannel limiter utilizing spectrally filtered optical solitons,” IEEE Photon. Technol. Lett. 15(5), 763–765 (2003).
[CrossRef]

Mukasa, K.

L. Provost, F. Parmigiani, P. Petropoulos, D. J. Richardson, K. Mukasa, M. Takahashi, J. Hiroishi, and M. Tadakuma, “Investigation of four-wavelength regenerator using polarization- and direction-multiplexing,” IEEE Photon. Technol. Lett. 20(20), 1676–1678 (2008).
[CrossRef]

Namiki, S.

Nielsen, C. V.

C. Peucheret, M. Lorenzen, J. Seoane, D. Noordegraaf, C. V. Nielsen, L. Gruner-Nielsen, and K. Rottwitt, “Amplitude regeneration of RZ-DPSK signals in single-pump fiber-optic parametric amplifiers,” IEEE Photon. Technol. Lett. 21(13), 872–874 (2009).
[CrossRef]

Noordegraaf, D.

C. Peucheret, M. Lorenzen, J. Seoane, D. Noordegraaf, C. V. Nielsen, L. Gruner-Nielsen, and K. Rottwitt, “Amplitude regeneration of RZ-DPSK signals in single-pump fiber-optic parametric amplifiers,” IEEE Photon. Technol. Lett. 21(13), 872–874 (2009).
[CrossRef]

Ohara, T.

T. Ohara, H. Takara, A. Hirano, K. Mori, and S. Kawanishi, “40-Gb/s × 4-channel all-optical multichannel limiter utilizing spectrally filtered optical solitons,” IEEE Photon. Technol. Lett. 15(5), 763–765 (2003).
[CrossRef]

Onishchukov, G.

K. Cvecek, K. Sponsel, G. Onishchukov, B. Schmauss, and G. Leuchs, “2R-regeneration of an RZ-DPSK signal using a nonlinear amplifying loop mirror,” IEEE Photon. Technol. Lett. 19(3), 146–148 (2007).
[CrossRef]

Parmigiani, F.

L. Provost, F. Parmigiani, P. Petropoulos, D. J. Richardson, K. Mukasa, M. Takahashi, J. Hiroishi, and M. Tadakuma, “Investigation of four-wavelength regenerator using polarization- and direction-multiplexing,” IEEE Photon. Technol. Lett. 20(20), 1676–1678 (2008).
[CrossRef]

Petropoulos, P.

L. Provost, F. Parmigiani, P. Petropoulos, D. J. Richardson, K. Mukasa, M. Takahashi, J. Hiroishi, and M. Tadakuma, “Investigation of four-wavelength regenerator using polarization- and direction-multiplexing,” IEEE Photon. Technol. Lett. 20(20), 1676–1678 (2008).
[CrossRef]

Ch. Kouloumentas, P. Vorreau, L. Provost, P. Petropoulos, W. Freude, J. Leuthold, and I. Tomkos, “All-fiberized dispersion-managed multichannel regeneration at 43 Gb/s,” IEEE Photon. Technol. Lett. 20(22), 1854–1856 (2008).
[CrossRef]

Peucheret, C.

C. Peucheret, M. Lorenzen, J. Seoane, D. Noordegraaf, C. V. Nielsen, L. Gruner-Nielsen, and K. Rottwitt, “Amplitude regeneration of RZ-DPSK signals in single-pump fiber-optic parametric amplifiers,” IEEE Photon. Technol. Lett. 21(13), 872–874 (2009).
[CrossRef]

Provost, L.

Ch. Kouloumentas, P. Vorreau, L. Provost, P. Petropoulos, W. Freude, J. Leuthold, and I. Tomkos, “All-fiberized dispersion-managed multichannel regeneration at 43 Gb/s,” IEEE Photon. Technol. Lett. 20(22), 1854–1856 (2008).
[CrossRef]

L. Provost, F. Parmigiani, P. Petropoulos, D. J. Richardson, K. Mukasa, M. Takahashi, J. Hiroishi, and M. Tadakuma, “Investigation of four-wavelength regenerator using polarization- and direction-multiplexing,” IEEE Photon. Technol. Lett. 20(20), 1676–1678 (2008).
[CrossRef]

Richardson, D. J.

L. Provost, F. Parmigiani, P. Petropoulos, D. J. Richardson, K. Mukasa, M. Takahashi, J. Hiroishi, and M. Tadakuma, “Investigation of four-wavelength regenerator using polarization- and direction-multiplexing,” IEEE Photon. Technol. Lett. 20(20), 1676–1678 (2008).
[CrossRef]

Rottwitt, K.

C. Peucheret, M. Lorenzen, J. Seoane, D. Noordegraaf, C. V. Nielsen, L. Gruner-Nielsen, and K. Rottwitt, “Amplitude regeneration of RZ-DPSK signals in single-pump fiber-optic parametric amplifiers,” IEEE Photon. Technol. Lett. 21(13), 872–874 (2009).
[CrossRef]

Schmauss, B.

K. Cvecek, K. Sponsel, G. Onishchukov, B. Schmauss, and G. Leuchs, “2R-regeneration of an RZ-DPSK signal using a nonlinear amplifying loop mirror,” IEEE Photon. Technol. Lett. 19(3), 146–148 (2007).
[CrossRef]

Seoane, J.

C. Peucheret, M. Lorenzen, J. Seoane, D. Noordegraaf, C. V. Nielsen, L. Gruner-Nielsen, and K. Rottwitt, “Amplitude regeneration of RZ-DPSK signals in single-pump fiber-optic parametric amplifiers,” IEEE Photon. Technol. Lett. 21(13), 872–874 (2009).
[CrossRef]

Sponsel, K.

K. Cvecek, K. Sponsel, G. Onishchukov, B. Schmauss, and G. Leuchs, “2R-regeneration of an RZ-DPSK signal using a nonlinear amplifying loop mirror,” IEEE Photon. Technol. Lett. 19(3), 146–148 (2007).
[CrossRef]

Tadakuma, M.

L. Provost, F. Parmigiani, P. Petropoulos, D. J. Richardson, K. Mukasa, M. Takahashi, J. Hiroishi, and M. Tadakuma, “Investigation of four-wavelength regenerator using polarization- and direction-multiplexing,” IEEE Photon. Technol. Lett. 20(20), 1676–1678 (2008).
[CrossRef]

Takahashi, M.

L. Provost, F. Parmigiani, P. Petropoulos, D. J. Richardson, K. Mukasa, M. Takahashi, J. Hiroishi, and M. Tadakuma, “Investigation of four-wavelength regenerator using polarization- and direction-multiplexing,” IEEE Photon. Technol. Lett. 20(20), 1676–1678 (2008).
[CrossRef]

Takara, H.

T. Ohara, H. Takara, A. Hirano, K. Mori, and S. Kawanishi, “40-Gb/s × 4-channel all-optical multichannel limiter utilizing spectrally filtered optical solitons,” IEEE Photon. Technol. Lett. 15(5), 763–765 (2003).
[CrossRef]

Tokle, T.

N. Chi, L. Xu, K. S. Berg, T. Tokle, and P. Jeppesen, “All-optical wavelength conversion and multichannel 2R regeneration based on highly nonlinear dispersion-imbalanced loop mirror,” IEEE Photon. Technol. Lett. 14(11), 1581–1583 (2002).
[CrossRef]

Tomkos, I.

Ch. Kouloumentas, P. Vorreau, L. Provost, P. Petropoulos, W. Freude, J. Leuthold, and I. Tomkos, “All-fiberized dispersion-managed multichannel regeneration at 43 Gb/s,” IEEE Photon. Technol. Lett. 20(22), 1854–1856 (2008).
[CrossRef]

Vasilyev, M.

Vorreau, P.

Ch. Kouloumentas, P. Vorreau, L. Provost, P. Petropoulos, W. Freude, J. Leuthold, and I. Tomkos, “All-fiberized dispersion-managed multichannel regeneration at 43 Gb/s,” IEEE Photon. Technol. Lett. 20(22), 1854–1856 (2008).
[CrossRef]

Willner, A. E.

B. Zhang, L.-S. Yan, J.-Y. Yang, I. Fazal, and A. E. Willner, “A single slow-light element for independent delay control and synchronization on multiple Gb/s data channels,” IEEE Photon. Technol. Lett. 19(14), 1081–1083 (2007).
[CrossRef]

Xu, L.

N. Chi, L. Xu, K. S. Berg, T. Tokle, and P. Jeppesen, “All-optical wavelength conversion and multichannel 2R regeneration based on highly nonlinear dispersion-imbalanced loop mirror,” IEEE Photon. Technol. Lett. 14(11), 1581–1583 (2002).
[CrossRef]

Yan, L.-S.

B. Zhang, L.-S. Yan, J.-Y. Yang, I. Fazal, and A. E. Willner, “A single slow-light element for independent delay control and synchronization on multiple Gb/s data channels,” IEEE Photon. Technol. Lett. 19(14), 1081–1083 (2007).
[CrossRef]

Yang, J.-Y.

B. Zhang, L.-S. Yan, J.-Y. Yang, I. Fazal, and A. E. Willner, “A single slow-light element for independent delay control and synchronization on multiple Gb/s data channels,” IEEE Photon. Technol. Lett. 19(14), 1081–1083 (2007).
[CrossRef]

Zhang, B.

B. Zhang, L.-S. Yan, J.-Y. Yang, I. Fazal, and A. E. Willner, “A single slow-light element for independent delay control and synchronization on multiple Gb/s data channels,” IEEE Photon. Technol. Lett. 19(14), 1081–1083 (2007).
[CrossRef]

Electron. Lett. (1)

K. Croussore and G. Li, “Amplitude regeneration of RZ-DPSK signals based on four-wave mixing in fibre,” Electron. Lett. 43(3), 177–178 (2007).
[CrossRef]

IEEE Photon. Technol. Lett. (8)

C. Peucheret, M. Lorenzen, J. Seoane, D. Noordegraaf, C. V. Nielsen, L. Gruner-Nielsen, and K. Rottwitt, “Amplitude regeneration of RZ-DPSK signals in single-pump fiber-optic parametric amplifiers,” IEEE Photon. Technol. Lett. 21(13), 872–874 (2009).
[CrossRef]

K. Cvecek, K. Sponsel, G. Onishchukov, B. Schmauss, and G. Leuchs, “2R-regeneration of an RZ-DPSK signal using a nonlinear amplifying loop mirror,” IEEE Photon. Technol. Lett. 19(3), 146–148 (2007).
[CrossRef]

T. Ohara, H. Takara, A. Hirano, K. Mori, and S. Kawanishi, “40-Gb/s × 4-channel all-optical multichannel limiter utilizing spectrally filtered optical solitons,” IEEE Photon. Technol. Lett. 15(5), 763–765 (2003).
[CrossRef]

Ch. Kouloumentas, P. Vorreau, L. Provost, P. Petropoulos, W. Freude, J. Leuthold, and I. Tomkos, “All-fiberized dispersion-managed multichannel regeneration at 43 Gb/s,” IEEE Photon. Technol. Lett. 20(22), 1854–1856 (2008).
[CrossRef]

L. Provost, F. Parmigiani, P. Petropoulos, D. J. Richardson, K. Mukasa, M. Takahashi, J. Hiroishi, and M. Tadakuma, “Investigation of four-wavelength regenerator using polarization- and direction-multiplexing,” IEEE Photon. Technol. Lett. 20(20), 1676–1678 (2008).
[CrossRef]

N. Chi, L. Xu, K. S. Berg, T. Tokle, and P. Jeppesen, “All-optical wavelength conversion and multichannel 2R regeneration based on highly nonlinear dispersion-imbalanced loop mirror,” IEEE Photon. Technol. Lett. 14(11), 1581–1583 (2002).
[CrossRef]

M. Matsumoto, “Regeneration of RZ-DPSK signals by fiber-based all-optical regenerators,” IEEE Photon. Technol. Lett. 17(5), 1055–1057 (2005).
[CrossRef]

B. Zhang, L.-S. Yan, J.-Y. Yang, I. Fazal, and A. E. Willner, “A single slow-light element for independent delay control and synchronization on multiple Gb/s data channels,” IEEE Photon. Technol. Lett. 19(14), 1081–1083 (2007).
[CrossRef]

J. Lightwave Technol. (1)

Opt. Commun. (1)

N. S. Mohd Shah and M. Matsumoto, “Analysis and experiment of all-optical time-interleaved multi-channel regeneration based on higher-order four-wave mixing in a fiber,” Opt. Commun. 284(19), 4687–4694 (2011).
[CrossRef]

Opt. Lett. (3)

Other (2)

A. Cheng, C. Shu, and M. P. Fok, “All-Optical multi-wavelength extinction ratio enhancement via pump-modulated four-wave mixing,” Proc. OFC, paper JTh61 (2009).

S. Tanabe and M. Matsumoto, “Amplitude limiting of time-interleaved multi-wavelength optical signals using saturation of four-wave mixing in a fiber,” Proc. ECOC, paper 9.1.5 (2009).

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Figures (11)

Fig. 1
Fig. 1

Experimental setup. AM: amplitude modulator, ATT: attenuator, CR: clock recovery, DAQ: data acquisition, PC: polarization controller, PhM: phase modulator, PM: power meter, POL: polarizer, PS: phase shifter.

Fig. 2
Fig. 2

Power transfer functions of ch.1 (triangle symbols) and ch.2 (square symbols). Solid curves with empty symbols are obtained when the channels are properly time-interleaved for two-channel operation, while dotted curves with filled symbols are for single-channel operation.

Fig. 3
Fig. 3

Power transfer functions of ch.1 (triangle symbols) and ch.2 (square symbols) when the two channels are overlapped. Solid curves are the output powers when the input power of the measured channel is varied while the input power of the unmeasured channel is kept constant. Dashed curves are the output powers when the input power of the measured channel is fixed while the input power of the unmeasured channel is varied.

Fig. 4
Fig. 4

Optical eye patterns before ((a) and (b)) and after ((c) and (d)) the limiter for simultaneous two-channel operation. (a), (c) and (b), (d) correspond to cases when the two channels are time-interleaved and overlapped, respectively. Dashed horizontal lines indicate the zero level. Horizontal scale: 20 ps/div.

Fig. 5
Fig. 5

Optical eye patterns before ((a) and (b)) and after ((c) and (d)) the limiter after the individual channel is extracted by a narrowband OBPF when the two channels are overlapped in the limiter. (a), (c): ch.1, (b), (d): ch.2. Horizontal scale: 20 ps/div.

Fig. 6
Fig. 6

Output spectra at the HNLF end when channels are time-interleaved (solid curve) and overlapped (dashed curve).

Fig. 7
Fig. 7

Power level at the shaded portion in Fig. 6 as a function of the delay introduced to ch.1 input.

Fig. 8
Fig. 8

(a) Flow chart of delay control algorithm in LabVIEW and (b) related graphs showing how the algorithm works.

Fig. 9
Fig. 9

BER versus received power for (a) ch.1 and (b) ch.2 when channels are properly time-interleaved. Total input signal powers to DDMF are 12 dBm (circle symbols), 13 dBm (triangle symbols), and 14 dBm (square symbols). Received power shown in the horizontal axes is the total power of ch.1 and ch.2.

Fig. 10
Fig. 10

BER performance of (a) ch.1 and (b) ch.2 versus measurement time when the limiter is operating. Total power to DDMF is 12 dBm. Adaptive delay control is off and on during the measurement. The data points shown on the horizontal axes indicate BERs lower than 10−10.

Fig. 11
Fig. 11

BER performance of (a) ch.1 and (b) ch.2 without the limiter in the system. Total power to DDMF is 12 dBm.

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