Abstract

Abstract

10 Gb/s non-return-to-zero (NRZ) on-off keyed (OOK) optical data packets are synchronized and time-multiplexed using a 26-ns tunable all-optical delay line. The delay element is based on wavelength conversion in periodically poled lithium niobate (PPLN) waveguides, inter-channel chromatic dispersion in dispersion compensating fiber (DCF) and intra-channel dispersion compensation with a chirped fiber Bragg grating (FBG). Delay reconfiguration time is measured to be less than 300 ps.

© 2007 Optical Society of America

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References

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    [Crossref]
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    [Crossref]
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    [Crossref]
  4. Koichi Takiguchi, Mikitaka Itoh, and Tomohiro Shibata, “Optical-Signal-Processing Device Based on Waveguide-Type Variable Delay Lines and Optical Gates,” J. Lightwave Tech. 24, 2593–2601 (2006).
    [Crossref]
  5. Carolyn M. Warnky, Rashmi Mital, and Betty Lise Anderson, “Demonstration of a Quartic Cell, a Free-Space True-Time-Delay Device Based on the White Cell,” J. Lightwave Technol. 24, 3849–3855 (2006).
    [Crossref]
  6. Henry K. Y. Cheung, Rebecca W. L. Fung, C. H. Kwok, and Kenneth K. Y. Wong, “All-Optical Packet Switching by Pulsed-Pump Wavelength Exchange in a Highly Nonlinear Dispersion-Shifted Fiber,” Conference on Optical Fiber Communications, paper OTuB4 (2007).
  7. Yoshitomo Okawachi, Jay E. Sharping, Chris Xu, and Alexander L. Gaeta, “Large Tunable Optical Delays via Self-Phase Modulation and Dispersion,” Opt. Express 14, 12022–12027 (2006).
    [Crossref] [PubMed]
  8. Jay Sharping, Yoshitomo Okawachi, James van Howe, Chris Xu, Yan Wang, Alan Willner, and Alexander Gaeta, “All-Optical, Wavelength and Bandwidth Preserving, Pulse Delay based on Parametric Wavelength Conversion and Dispersion,” Opt. Express 13, 7872–7877 (2005).
    [Crossref] [PubMed]
  9. J. Ren, N. Alic, E. Myslivets, R.E. Saperstein, C. J. McKinstrie, R. M. Jopson, A.H. Gnauck, P.A. Andrekson, and S. Radic, “12.47 ns Continuously-Tunable Two-Pump Parametric Delay,” European Conference on Optical Communication, paper Th4.4.3 (2006).
  10. Y. Wang, C. Yu, L.-S. Yan, A.E. Willner, R. Roussev, C. Langrock, M.M. Fejer, J.E. Sharping, and A.L. Gaeta, “44-ns Continuously Tunable Dispersionless Optical Delay Element Using a PPLN Waveguide with Two-Pump Configuration, DCF, and a Dispersion Compensator,” Photon. Tech. Lett. 19, 861–863 (2007).
    [Crossref]
  11. C. Langrock, S. Kumar, J.E. McGeehan, A.E. Willner, and M.M. Fejer, “All-Optical Signal Processing using χ(2) Nonlinearities in Guided-Wave Devices,” J. Lightwave Technol. 24, 2579–2592 (2006).
    [Crossref]
  12. W.H. Loh, R.I. Laming, X. Gu, M.N. Zervas, M.J. Cole, T. Widdowson, and A.D. Ellis, “10 cm Chirped Fibre Bragg Grating for Dispersion Compensation at 10 Gbit/s over 400 km of Non-Dispersion Shifted Fibre,” Electron. Lett. 31, 2203–2204 (1995).
    [Crossref]
  13. I. Fazal, S. Kumar, P. Saghari, L. Christen, Y. Li, A.E. Willner, C. Langrock, R. Roussev, and M.M. Fejer, “Data-Polarization-Insensitive Wavelength Conversion in a PPLN Waveguide by Cross-Polarization-Modulation of the Pump using an SOA,” Optical Fiber Communications Conference, paper OThB4 (2006).
    [Crossref]

2007 (2)

Henry K. Y. Cheung, Rebecca W. L. Fung, C. H. Kwok, and Kenneth K. Y. Wong, “All-Optical Packet Switching by Pulsed-Pump Wavelength Exchange in a Highly Nonlinear Dispersion-Shifted Fiber,” Conference on Optical Fiber Communications, paper OTuB4 (2007).

Y. Wang, C. Yu, L.-S. Yan, A.E. Willner, R. Roussev, C. Langrock, M.M. Fejer, J.E. Sharping, and A.L. Gaeta, “44-ns Continuously Tunable Dispersionless Optical Delay Element Using a PPLN Waveguide with Two-Pump Configuration, DCF, and a Dispersion Compensator,” Photon. Tech. Lett. 19, 861–863 (2007).
[Crossref]

2006 (4)

2005 (2)

2001 (1)

1998 (1)

1995 (1)

W.H. Loh, R.I. Laming, X. Gu, M.N. Zervas, M.J. Cole, T. Widdowson, and A.D. Ellis, “10 cm Chirped Fibre Bragg Grating for Dispersion Compensation at 10 Gbit/s over 400 km of Non-Dispersion Shifted Fibre,” Electron. Lett. 31, 2203–2204 (1995).
[Crossref]

Alic, N.

J. Ren, N. Alic, E. Myslivets, R.E. Saperstein, C. J. McKinstrie, R. M. Jopson, A.H. Gnauck, P.A. Andrekson, and S. Radic, “12.47 ns Continuously-Tunable Two-Pump Parametric Delay,” European Conference on Optical Communication, paper Th4.4.3 (2006).

Anderson, Betty Lise

Andonovic, Ivan

Andrekson, P.A.

J. Ren, N. Alic, E. Myslivets, R.E. Saperstein, C. J. McKinstrie, R. M. Jopson, A.H. Gnauck, P.A. Andrekson, and S. Radic, “12.47 ns Continuously-Tunable Two-Pump Parametric Delay,” European Conference on Optical Communication, paper Th4.4.3 (2006).

Chang-Hasnain, Pei-Cheng

Cheung, Henry K. Y.

Henry K. Y. Cheung, Rebecca W. L. Fung, C. H. Kwok, and Kenneth K. Y. Wong, “All-Optical Packet Switching by Pulsed-Pump Wavelength Exchange in a Highly Nonlinear Dispersion-Shifted Fiber,” Conference on Optical Fiber Communications, paper OTuB4 (2007).

Christen, L.

I. Fazal, S. Kumar, P. Saghari, L. Christen, Y. Li, A.E. Willner, C. Langrock, R. Roussev, and M.M. Fejer, “Data-Polarization-Insensitive Wavelength Conversion in a PPLN Waveguide by Cross-Polarization-Modulation of the Pump using an SOA,” Optical Fiber Communications Conference, paper OThB4 (2006).
[Crossref]

Cole, M.J.

W.H. Loh, R.I. Laming, X. Gu, M.N. Zervas, M.J. Cole, T. Widdowson, and A.D. Ellis, “10 cm Chirped Fibre Bragg Grating for Dispersion Compensation at 10 Gbit/s over 400 km of Non-Dispersion Shifted Fibre,” Electron. Lett. 31, 2203–2204 (1995).
[Crossref]

David Cornwell, W.

Ellis, A.D.

W.H. Loh, R.I. Laming, X. Gu, M.N. Zervas, M.J. Cole, T. Widdowson, and A.D. Ellis, “10 cm Chirped Fibre Bragg Grating for Dispersion Compensation at 10 Gbit/s over 400 km of Non-Dispersion Shifted Fibre,” Electron. Lett. 31, 2203–2204 (1995).
[Crossref]

Fazal, I.

I. Fazal, S. Kumar, P. Saghari, L. Christen, Y. Li, A.E. Willner, C. Langrock, R. Roussev, and M.M. Fejer, “Data-Polarization-Insensitive Wavelength Conversion in a PPLN Waveguide by Cross-Polarization-Modulation of the Pump using an SOA,” Optical Fiber Communications Conference, paper OThB4 (2006).
[Crossref]

Fejer, M.M.

Y. Wang, C. Yu, L.-S. Yan, A.E. Willner, R. Roussev, C. Langrock, M.M. Fejer, J.E. Sharping, and A.L. Gaeta, “44-ns Continuously Tunable Dispersionless Optical Delay Element Using a PPLN Waveguide with Two-Pump Configuration, DCF, and a Dispersion Compensator,” Photon. Tech. Lett. 19, 861–863 (2007).
[Crossref]

C. Langrock, S. Kumar, J.E. McGeehan, A.E. Willner, and M.M. Fejer, “All-Optical Signal Processing using χ(2) Nonlinearities in Guided-Wave Devices,” J. Lightwave Technol. 24, 2579–2592 (2006).
[Crossref]

I. Fazal, S. Kumar, P. Saghari, L. Christen, Y. Li, A.E. Willner, C. Langrock, R. Roussev, and M.M. Fejer, “Data-Polarization-Insensitive Wavelength Conversion in a PPLN Waveguide by Cross-Polarization-Modulation of the Pump using an SOA,” Optical Fiber Communications Conference, paper OThB4 (2006).
[Crossref]

Franzen, André

Fung, Rebecca W. L.

Henry K. Y. Cheung, Rebecca W. L. Fung, C. H. Kwok, and Kenneth K. Y. Wong, “All-Optical Packet Switching by Pulsed-Pump Wavelength Exchange in a Highly Nonlinear Dispersion-Shifted Fiber,” Conference on Optical Fiber Communications, paper OTuB4 (2007).

Gaeta, A.L.

Y. Wang, C. Yu, L.-S. Yan, A.E. Willner, R. Roussev, C. Langrock, M.M. Fejer, J.E. Sharping, and A.L. Gaeta, “44-ns Continuously Tunable Dispersionless Optical Delay Element Using a PPLN Waveguide with Two-Pump Configuration, DCF, and a Dispersion Compensator,” Photon. Tech. Lett. 19, 861–863 (2007).
[Crossref]

Gaeta, Alexander

Gaeta, Alexander L.

Gilfedder, Tim H.

Gnauck, A.H.

J. Ren, N. Alic, E. Myslivets, R.E. Saperstein, C. J. McKinstrie, R. M. Jopson, A.H. Gnauck, P.A. Andrekson, and S. Radic, “12.47 ns Continuously-Tunable Two-Pump Parametric Delay,” European Conference on Optical Communication, paper Th4.4.3 (2006).

Gu, X.

W.H. Loh, R.I. Laming, X. Gu, M.N. Zervas, M.J. Cole, T. Widdowson, and A.D. Ellis, “10 cm Chirped Fibre Bragg Grating for Dispersion Compensation at 10 Gbit/s over 400 km of Non-Dispersion Shifted Fibre,” Electron. Lett. 31, 2203–2204 (1995).
[Crossref]

Hunter, David K.

Itoh, Mikitaka

Koichi Takiguchi, Mikitaka Itoh, and Tomohiro Shibata, “Optical-Signal-Processing Device Based on Waveguide-Type Variable Delay Lines and Optical Gates,” J. Lightwave Tech. 24, 2593–2601 (2006).
[Crossref]

Jopson, R. M.

J. Ren, N. Alic, E. Myslivets, R.E. Saperstein, C. J. McKinstrie, R. M. Jopson, A.H. Gnauck, P.A. Andrekson, and S. Radic, “12.47 ns Continuously-Tunable Two-Pump Parametric Delay,” European Conference on Optical Communication, paper Th4.4.3 (2006).

Ku, R.S.

Kumar, S.

C. Langrock, S. Kumar, J.E. McGeehan, A.E. Willner, and M.M. Fejer, “All-Optical Signal Processing using χ(2) Nonlinearities in Guided-Wave Devices,” J. Lightwave Technol. 24, 2579–2592 (2006).
[Crossref]

I. Fazal, S. Kumar, P. Saghari, L. Christen, Y. Li, A.E. Willner, C. Langrock, R. Roussev, and M.M. Fejer, “Data-Polarization-Insensitive Wavelength Conversion in a PPLN Waveguide by Cross-Polarization-Modulation of the Pump using an SOA,” Optical Fiber Communications Conference, paper OThB4 (2006).
[Crossref]

Kwok, C. H.

Henry K. Y. Cheung, Rebecca W. L. Fung, C. H. Kwok, and Kenneth K. Y. Wong, “All-Optical Packet Switching by Pulsed-Pump Wavelength Exchange in a Highly Nonlinear Dispersion-Shifted Fiber,” Conference on Optical Fiber Communications, paper OTuB4 (2007).

Laming, R.I.

W.H. Loh, R.I. Laming, X. Gu, M.N. Zervas, M.J. Cole, T. Widdowson, and A.D. Ellis, “10 cm Chirped Fibre Bragg Grating for Dispersion Compensation at 10 Gbit/s over 400 km of Non-Dispersion Shifted Fibre,” Electron. Lett. 31, 2203–2204 (1995).
[Crossref]

Langrock, C.

Y. Wang, C. Yu, L.-S. Yan, A.E. Willner, R. Roussev, C. Langrock, M.M. Fejer, J.E. Sharping, and A.L. Gaeta, “44-ns Continuously Tunable Dispersionless Optical Delay Element Using a PPLN Waveguide with Two-Pump Configuration, DCF, and a Dispersion Compensator,” Photon. Tech. Lett. 19, 861–863 (2007).
[Crossref]

C. Langrock, S. Kumar, J.E. McGeehan, A.E. Willner, and M.M. Fejer, “All-Optical Signal Processing using χ(2) Nonlinearities in Guided-Wave Devices,” J. Lightwave Technol. 24, 2579–2592 (2006).
[Crossref]

I. Fazal, S. Kumar, P. Saghari, L. Christen, Y. Li, A.E. Willner, C. Langrock, R. Roussev, and M.M. Fejer, “Data-Polarization-Insensitive Wavelength Conversion in a PPLN Waveguide by Cross-Polarization-Modulation of the Pump using an SOA,” Optical Fiber Communications Conference, paper OThB4 (2006).
[Crossref]

Li, Y.

I. Fazal, S. Kumar, P. Saghari, L. Christen, Y. Li, A.E. Willner, C. Langrock, R. Roussev, and M.M. Fejer, “Data-Polarization-Insensitive Wavelength Conversion in a PPLN Waveguide by Cross-Polarization-Modulation of the Pump using an SOA,” Optical Fiber Communications Conference, paper OThB4 (2006).
[Crossref]

Loh, W.H.

W.H. Loh, R.I. Laming, X. Gu, M.N. Zervas, M.J. Cole, T. Widdowson, and A.D. Ellis, “10 cm Chirped Fibre Bragg Grating for Dispersion Compensation at 10 Gbit/s over 400 km of Non-Dispersion Shifted Fibre,” Electron. Lett. 31, 2203–2204 (1995).
[Crossref]

McGeehan, J.E.

McKinstrie, C. J.

J. Ren, N. Alic, E. Myslivets, R.E. Saperstein, C. J. McKinstrie, R. M. Jopson, A.H. Gnauck, P.A. Andrekson, and S. Radic, “12.47 ns Continuously-Tunable Two-Pump Parametric Delay,” European Conference on Optical Communication, paper Th4.4.3 (2006).

Mital, Rashmi

Myslivets, E.

J. Ren, N. Alic, E. Myslivets, R.E. Saperstein, C. J. McKinstrie, R. M. Jopson, A.H. Gnauck, P.A. Andrekson, and S. Radic, “12.47 ns Continuously-Tunable Two-Pump Parametric Delay,” European Conference on Optical Communication, paper Th4.4.3 (2006).

Okawachi, Yoshitomo

Radic, S.

J. Ren, N. Alic, E. Myslivets, R.E. Saperstein, C. J. McKinstrie, R. M. Jopson, A.H. Gnauck, P.A. Andrekson, and S. Radic, “12.47 ns Continuously-Tunable Two-Pump Parametric Delay,” European Conference on Optical Communication, paper Th4.4.3 (2006).

Ren, J.

J. Ren, N. Alic, E. Myslivets, R.E. Saperstein, C. J. McKinstrie, R. M. Jopson, A.H. Gnauck, P.A. Andrekson, and S. Radic, “12.47 ns Continuously-Tunable Two-Pump Parametric Delay,” European Conference on Optical Communication, paper Th4.4.3 (2006).

Roussev, R.

Y. Wang, C. Yu, L.-S. Yan, A.E. Willner, R. Roussev, C. Langrock, M.M. Fejer, J.E. Sharping, and A.L. Gaeta, “44-ns Continuously Tunable Dispersionless Optical Delay Element Using a PPLN Waveguide with Two-Pump Configuration, DCF, and a Dispersion Compensator,” Photon. Tech. Lett. 19, 861–863 (2007).
[Crossref]

I. Fazal, S. Kumar, P. Saghari, L. Christen, Y. Li, A.E. Willner, C. Langrock, R. Roussev, and M.M. Fejer, “Data-Polarization-Insensitive Wavelength Conversion in a PPLN Waveguide by Cross-Polarization-Modulation of the Pump using an SOA,” Optical Fiber Communications Conference, paper OThB4 (2006).
[Crossref]

Saghari, P.

I. Fazal, S. Kumar, P. Saghari, L. Christen, Y. Li, A.E. Willner, C. Langrock, R. Roussev, and M.M. Fejer, “Data-Polarization-Insensitive Wavelength Conversion in a PPLN Waveguide by Cross-Polarization-Modulation of the Pump using an SOA,” Optical Fiber Communications Conference, paper OThB4 (2006).
[Crossref]

Saperstein, R.E.

J. Ren, N. Alic, E. Myslivets, R.E. Saperstein, C. J. McKinstrie, R. M. Jopson, A.H. Gnauck, P.A. Andrekson, and S. Radic, “12.47 ns Continuously-Tunable Two-Pump Parametric Delay,” European Conference on Optical Communication, paper Th4.4.3 (2006).

Sharping, J.E.

Y. Wang, C. Yu, L.-S. Yan, A.E. Willner, R. Roussev, C. Langrock, M.M. Fejer, J.E. Sharping, and A.L. Gaeta, “44-ns Continuously Tunable Dispersionless Optical Delay Element Using a PPLN Waveguide with Two-Pump Configuration, DCF, and a Dispersion Compensator,” Photon. Tech. Lett. 19, 861–863 (2007).
[Crossref]

Sharping, Jay

Sharping, Jay E.

Shibata, Tomohiro

Koichi Takiguchi, Mikitaka Itoh, and Tomohiro Shibata, “Optical-Signal-Processing Device Based on Waveguide-Type Variable Delay Lines and Optical Gates,” J. Lightwave Tech. 24, 2593–2601 (2006).
[Crossref]

Takiguchi, Koichi

Koichi Takiguchi, Mikitaka Itoh, and Tomohiro Shibata, “Optical-Signal-Processing Device Based on Waveguide-Type Variable Delay Lines and Optical Gates,” J. Lightwave Tech. 24, 2593–2601 (2006).
[Crossref]

Tucker,

Tucker, R.S.

van Howe, James

Wang, Y.

Y. Wang, C. Yu, L.-S. Yan, A.E. Willner, R. Roussev, C. Langrock, M.M. Fejer, J.E. Sharping, and A.L. Gaeta, “44-ns Continuously Tunable Dispersionless Optical Delay Element Using a PPLN Waveguide with Two-Pump Configuration, DCF, and a Dispersion Compensator,” Photon. Tech. Lett. 19, 861–863 (2007).
[Crossref]

Wang, Yan

Warnky, Carolyn M.

Widdowson, T.

W.H. Loh, R.I. Laming, X. Gu, M.N. Zervas, M.J. Cole, T. Widdowson, and A.D. Ellis, “10 cm Chirped Fibre Bragg Grating for Dispersion Compensation at 10 Gbit/s over 400 km of Non-Dispersion Shifted Fibre,” Electron. Lett. 31, 2203–2204 (1995).
[Crossref]

Willner, A.E.

Y. Wang, C. Yu, L.-S. Yan, A.E. Willner, R. Roussev, C. Langrock, M.M. Fejer, J.E. Sharping, and A.L. Gaeta, “44-ns Continuously Tunable Dispersionless Optical Delay Element Using a PPLN Waveguide with Two-Pump Configuration, DCF, and a Dispersion Compensator,” Photon. Tech. Lett. 19, 861–863 (2007).
[Crossref]

C. Langrock, S. Kumar, J.E. McGeehan, A.E. Willner, and M.M. Fejer, “All-Optical Signal Processing using χ(2) Nonlinearities in Guided-Wave Devices,” J. Lightwave Technol. 24, 2579–2592 (2006).
[Crossref]

I. Fazal, S. Kumar, P. Saghari, L. Christen, Y. Li, A.E. Willner, C. Langrock, R. Roussev, and M.M. Fejer, “Data-Polarization-Insensitive Wavelength Conversion in a PPLN Waveguide by Cross-Polarization-Modulation of the Pump using an SOA,” Optical Fiber Communications Conference, paper OThB4 (2006).
[Crossref]

Willner, Alan

Wong, Kenneth K. Y.

Henry K. Y. Cheung, Rebecca W. L. Fung, C. H. Kwok, and Kenneth K. Y. Wong, “All-Optical Packet Switching by Pulsed-Pump Wavelength Exchange in a Highly Nonlinear Dispersion-Shifted Fiber,” Conference on Optical Fiber Communications, paper OTuB4 (2007).

Xu, Chris

Yan, L.-S.

Y. Wang, C. Yu, L.-S. Yan, A.E. Willner, R. Roussev, C. Langrock, M.M. Fejer, J.E. Sharping, and A.L. Gaeta, “44-ns Continuously Tunable Dispersionless Optical Delay Element Using a PPLN Waveguide with Two-Pump Configuration, DCF, and a Dispersion Compensator,” Photon. Tech. Lett. 19, 861–863 (2007).
[Crossref]

Yu, C.

Y. Wang, C. Yu, L.-S. Yan, A.E. Willner, R. Roussev, C. Langrock, M.M. Fejer, J.E. Sharping, and A.L. Gaeta, “44-ns Continuously Tunable Dispersionless Optical Delay Element Using a PPLN Waveguide with Two-Pump Configuration, DCF, and a Dispersion Compensator,” Photon. Tech. Lett. 19, 861–863 (2007).
[Crossref]

Zervas, M.N.

W.H. Loh, R.I. Laming, X. Gu, M.N. Zervas, M.J. Cole, T. Widdowson, and A.D. Ellis, “10 cm Chirped Fibre Bragg Grating for Dispersion Compensation at 10 Gbit/s over 400 km of Non-Dispersion Shifted Fibre,” Electron. Lett. 31, 2203–2204 (1995).
[Crossref]

Zhong, Wen De

Conference on Optical Fiber Communications, paper OTuB4 (1)

Henry K. Y. Cheung, Rebecca W. L. Fung, C. H. Kwok, and Kenneth K. Y. Wong, “All-Optical Packet Switching by Pulsed-Pump Wavelength Exchange in a Highly Nonlinear Dispersion-Shifted Fiber,” Conference on Optical Fiber Communications, paper OTuB4 (2007).

Electron. Lett. (1)

W.H. Loh, R.I. Laming, X. Gu, M.N. Zervas, M.J. Cole, T. Widdowson, and A.D. Ellis, “10 cm Chirped Fibre Bragg Grating for Dispersion Compensation at 10 Gbit/s over 400 km of Non-Dispersion Shifted Fibre,” Electron. Lett. 31, 2203–2204 (1995).
[Crossref]

J. Lightwave Tech. (1)

Koichi Takiguchi, Mikitaka Itoh, and Tomohiro Shibata, “Optical-Signal-Processing Device Based on Waveguide-Type Variable Delay Lines and Optical Gates,” J. Lightwave Tech. 24, 2593–2601 (2006).
[Crossref]

J. Lightwave Technol. (5)

Opt. Express (2)

Photon. Tech. Lett. (1)

Y. Wang, C. Yu, L.-S. Yan, A.E. Willner, R. Roussev, C. Langrock, M.M. Fejer, J.E. Sharping, and A.L. Gaeta, “44-ns Continuously Tunable Dispersionless Optical Delay Element Using a PPLN Waveguide with Two-Pump Configuration, DCF, and a Dispersion Compensator,” Photon. Tech. Lett. 19, 861–863 (2007).
[Crossref]

Other (2)

J. Ren, N. Alic, E. Myslivets, R.E. Saperstein, C. J. McKinstrie, R. M. Jopson, A.H. Gnauck, P.A. Andrekson, and S. Radic, “12.47 ns Continuously-Tunable Two-Pump Parametric Delay,” European Conference on Optical Communication, paper Th4.4.3 (2006).

I. Fazal, S. Kumar, P. Saghari, L. Christen, Y. Li, A.E. Willner, C. Langrock, R. Roussev, and M.M. Fejer, “Data-Polarization-Insensitive Wavelength Conversion in a PPLN Waveguide by Cross-Polarization-Modulation of the Pump using an SOA,” Optical Fiber Communications Conference, paper OThB4 (2006).
[Crossref]

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Figures (11)

Fig. 1.
Fig. 1.

Packet 3 (P3) passes through the delay module which consists of periodically-poled lithium-niobate (PPLN) λ-converters, a dispersion compensating fiber (DCF) and a chirped fiber Bragg grating (FBG).

Fig. 2.
Fig. 2.

In the two scenarios, λ1 is converted to different λc’s, resulting in different group velocities due to inter-channel dispersion. The undesired intra-channel dispersion is compensated by a FBG. (PPLN : periodically poled lithium niobate waveguide)

Fig. 3.
Fig. 3.

a). λ1 (input signal) and λpump-1 constitute the pumps for PPLN-1. By tuning λdummy-1, the output λc can be tuned.

Fig. 3.
Fig. 3.

b). Spectral arrangement of PPLN-2. λc and λpump-2 are pumps, while λ1 is the output.

Fig. 4.
Fig. 4.

Experimental setup: LD (laser diode), Mod (modulator), PPG (pulse pattern generator), PPLN (periodically-poled lithium-niobate), DCF (dispersion compensating fiber), FBG (fiber Bragg grating), PC (polarization controller), Circ (circulator), EDFA (erbium doped fiber amplifier) and Rx (receiver). Note that ovals are simple passive couplers.

Fig. 5.
Fig. 5.

Packet delay shown at 10 and 26.4 ns. Final output signal is 1546.4 nm.

Fig. 6.
Fig. 6.

Delay as a function of converted wavelength.

Fig. 7.
Fig. 7.

Packet streams λ2 (non-delayed) and λ1 (delayed by 26.4 ns) synchronized and multiplexed. MUX=multiplexer. Our multiplexer is a simple 3-dB passive coupler.

Fig. 8.
Fig. 8.

Measured bit error rate (BER) for back-to-back, delayed single packet stream and multiplexed data stream. Power penalty of 2.5 dB is observed.

Fig. 9.
Fig. 9.

(a) Output spectra of the two PPLNs when the switch is in the OFF position. (b) Output spectra when the 2x2 switch is turned ON.

Fig. 10.
Fig. 10.

Experimental setup for measuring the reconfiguration time of the delay scheme. The inset shows that the reconfiguration time is 276 ps, which is the time when one delayed signal vanishes (blue-colored) and the new delayed signal (pink-colored) appears. Ovals are passive couplers.

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