Abstract

We demonstrate a technique for fine tuning of optical delays using cascaded acousto-optic modulators to improve the delay resolution by 5 orders of magnitude compared to a 1 pm tunable laser. A 256 ns delay with <0.5  ps resolution is shown for 40 Gbits/s return-to-zero on–off keying with no added penalty.

© 2010 Optical Society of America

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References

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  1. R. S. Tucker, P.-Ch. Ku, and C. J. Chang-Hasnain, J. Lightwave Technol. 23, 4046 (2005).
    [CrossRef]
  2. O. F. Yilmaz, S. R. Nuccio, X. Wu, and A. E. Willner, “40 Gb/s optical packet buffer using conversion/dispersion-based delays,” J. Lightwave Technol. (to be published).
  3. S. R. Nuccio, O. F. Yilmaz, X. Wu, and A. E. Willner, in Conference on Lasers and Electro-Optics (2009), pp. 1-2.
  4. S. Namiki and T. Kurosu, in European Conference on Optical Communications (2008), pp. 1-2.
  5. T. Kurosu and S. Namiki, Opt. Lett. 34, 1441 (2009).
    [CrossRef] [PubMed]
  6. X. Wu, J. Wang, O. F. Yilmaz, S. R. Nuccio, A. Bogoni, and A. E. Willner, in European Conference on Optical Communications (2009), pp. 1-2.
  7. S. R. Nuccio, O. F. Yilmaz, S. Khaleghi, X. Wu, L. Christen, I. Fazal, and A. E. Willner, Opt. Lett. 34, 1903 (2009).
    [CrossRef] [PubMed]
  8. Y. Dai, X. Chen, Y. Okawachi, A. C. Turner-Foster, M. A. Foster, M. Lipson, A. L. Gaeta, and C. Xu, Opt. Express 17, 7004 (2009).
    [CrossRef] [PubMed]
  9. E. Myslivets, N. Alic, S. Moro, B. P. P. Kuo, R. M. Jopson, C. J. McKinstrie, M. Karlsson, and S. Radic, Opt. Express 17, 11958 (2009).
    [CrossRef] [PubMed]
  10. N. Alic, E. Myslivets, S. Moro, B. P. P. Kuo, R. M. Jopson, C. J. McKinstrie, and S. Radic, in IEEE/OSA Conference on Optical Fiber Communications (2009), pp. 1-3.
  11. A. Yariv and P. Yeh, Optical Waves in Crystals: Propagation and Control of Laser Radiation (Wiley-Interscience, 2002), Chap. 10.

2009 (4)

2005 (1)

Alic, N.

E. Myslivets, N. Alic, S. Moro, B. P. P. Kuo, R. M. Jopson, C. J. McKinstrie, M. Karlsson, and S. Radic, Opt. Express 17, 11958 (2009).
[CrossRef] [PubMed]

N. Alic, E. Myslivets, S. Moro, B. P. P. Kuo, R. M. Jopson, C. J. McKinstrie, and S. Radic, in IEEE/OSA Conference on Optical Fiber Communications (2009), pp. 1-3.

Bogoni, A.

X. Wu, J. Wang, O. F. Yilmaz, S. R. Nuccio, A. Bogoni, and A. E. Willner, in European Conference on Optical Communications (2009), pp. 1-2.

Chang-Hasnain, C. J.

Chen, X.

Christen, L.

Dai, Y.

Fazal, I.

Foster, M. A.

Gaeta, A. L.

Jopson, R. M.

E. Myslivets, N. Alic, S. Moro, B. P. P. Kuo, R. M. Jopson, C. J. McKinstrie, M. Karlsson, and S. Radic, Opt. Express 17, 11958 (2009).
[CrossRef] [PubMed]

N. Alic, E. Myslivets, S. Moro, B. P. P. Kuo, R. M. Jopson, C. J. McKinstrie, and S. Radic, in IEEE/OSA Conference on Optical Fiber Communications (2009), pp. 1-3.

Karlsson, M.

Khaleghi, S.

Ku, P. -Ch.

Kuo, B. P. P.

E. Myslivets, N. Alic, S. Moro, B. P. P. Kuo, R. M. Jopson, C. J. McKinstrie, M. Karlsson, and S. Radic, Opt. Express 17, 11958 (2009).
[CrossRef] [PubMed]

N. Alic, E. Myslivets, S. Moro, B. P. P. Kuo, R. M. Jopson, C. J. McKinstrie, and S. Radic, in IEEE/OSA Conference on Optical Fiber Communications (2009), pp. 1-3.

Kurosu, T.

T. Kurosu and S. Namiki, Opt. Lett. 34, 1441 (2009).
[CrossRef] [PubMed]

S. Namiki and T. Kurosu, in European Conference on Optical Communications (2008), pp. 1-2.

Lipson, M.

McKinstrie, C. J.

E. Myslivets, N. Alic, S. Moro, B. P. P. Kuo, R. M. Jopson, C. J. McKinstrie, M. Karlsson, and S. Radic, Opt. Express 17, 11958 (2009).
[CrossRef] [PubMed]

N. Alic, E. Myslivets, S. Moro, B. P. P. Kuo, R. M. Jopson, C. J. McKinstrie, and S. Radic, in IEEE/OSA Conference on Optical Fiber Communications (2009), pp. 1-3.

Moro, S.

E. Myslivets, N. Alic, S. Moro, B. P. P. Kuo, R. M. Jopson, C. J. McKinstrie, M. Karlsson, and S. Radic, Opt. Express 17, 11958 (2009).
[CrossRef] [PubMed]

N. Alic, E. Myslivets, S. Moro, B. P. P. Kuo, R. M. Jopson, C. J. McKinstrie, and S. Radic, in IEEE/OSA Conference on Optical Fiber Communications (2009), pp. 1-3.

Myslivets, E.

E. Myslivets, N. Alic, S. Moro, B. P. P. Kuo, R. M. Jopson, C. J. McKinstrie, M. Karlsson, and S. Radic, Opt. Express 17, 11958 (2009).
[CrossRef] [PubMed]

N. Alic, E. Myslivets, S. Moro, B. P. P. Kuo, R. M. Jopson, C. J. McKinstrie, and S. Radic, in IEEE/OSA Conference on Optical Fiber Communications (2009), pp. 1-3.

Namiki, S.

T. Kurosu and S. Namiki, Opt. Lett. 34, 1441 (2009).
[CrossRef] [PubMed]

S. Namiki and T. Kurosu, in European Conference on Optical Communications (2008), pp. 1-2.

Nuccio, S. R.

S. R. Nuccio, O. F. Yilmaz, S. Khaleghi, X. Wu, L. Christen, I. Fazal, and A. E. Willner, Opt. Lett. 34, 1903 (2009).
[CrossRef] [PubMed]

O. F. Yilmaz, S. R. Nuccio, X. Wu, and A. E. Willner, “40 Gb/s optical packet buffer using conversion/dispersion-based delays,” J. Lightwave Technol. (to be published).

S. R. Nuccio, O. F. Yilmaz, X. Wu, and A. E. Willner, in Conference on Lasers and Electro-Optics (2009), pp. 1-2.

X. Wu, J. Wang, O. F. Yilmaz, S. R. Nuccio, A. Bogoni, and A. E. Willner, in European Conference on Optical Communications (2009), pp. 1-2.

Okawachi, Y.

Radic, S.

E. Myslivets, N. Alic, S. Moro, B. P. P. Kuo, R. M. Jopson, C. J. McKinstrie, M. Karlsson, and S. Radic, Opt. Express 17, 11958 (2009).
[CrossRef] [PubMed]

N. Alic, E. Myslivets, S. Moro, B. P. P. Kuo, R. M. Jopson, C. J. McKinstrie, and S. Radic, in IEEE/OSA Conference on Optical Fiber Communications (2009), pp. 1-3.

Tucker, R. S.

Turner-Foster, A. C.

Wang, J.

X. Wu, J. Wang, O. F. Yilmaz, S. R. Nuccio, A. Bogoni, and A. E. Willner, in European Conference on Optical Communications (2009), pp. 1-2.

Willner, A. E.

S. R. Nuccio, O. F. Yilmaz, S. Khaleghi, X. Wu, L. Christen, I. Fazal, and A. E. Willner, Opt. Lett. 34, 1903 (2009).
[CrossRef] [PubMed]

O. F. Yilmaz, S. R. Nuccio, X. Wu, and A. E. Willner, “40 Gb/s optical packet buffer using conversion/dispersion-based delays,” J. Lightwave Technol. (to be published).

S. R. Nuccio, O. F. Yilmaz, X. Wu, and A. E. Willner, in Conference on Lasers and Electro-Optics (2009), pp. 1-2.

X. Wu, J. Wang, O. F. Yilmaz, S. R. Nuccio, A. Bogoni, and A. E. Willner, in European Conference on Optical Communications (2009), pp. 1-2.

Wu, X.

S. R. Nuccio, O. F. Yilmaz, S. Khaleghi, X. Wu, L. Christen, I. Fazal, and A. E. Willner, Opt. Lett. 34, 1903 (2009).
[CrossRef] [PubMed]

O. F. Yilmaz, S. R. Nuccio, X. Wu, and A. E. Willner, “40 Gb/s optical packet buffer using conversion/dispersion-based delays,” J. Lightwave Technol. (to be published).

X. Wu, J. Wang, O. F. Yilmaz, S. R. Nuccio, A. Bogoni, and A. E. Willner, in European Conference on Optical Communications (2009), pp. 1-2.

S. R. Nuccio, O. F. Yilmaz, X. Wu, and A. E. Willner, in Conference on Lasers and Electro-Optics (2009), pp. 1-2.

Xu, C.

Yariv, A.

A. Yariv and P. Yeh, Optical Waves in Crystals: Propagation and Control of Laser Radiation (Wiley-Interscience, 2002), Chap. 10.

Yeh, P.

A. Yariv and P. Yeh, Optical Waves in Crystals: Propagation and Control of Laser Radiation (Wiley-Interscience, 2002), Chap. 10.

Yilmaz, O. F.

S. R. Nuccio, O. F. Yilmaz, S. Khaleghi, X. Wu, L. Christen, I. Fazal, and A. E. Willner, Opt. Lett. 34, 1903 (2009).
[CrossRef] [PubMed]

O. F. Yilmaz, S. R. Nuccio, X. Wu, and A. E. Willner, “40 Gb/s optical packet buffer using conversion/dispersion-based delays,” J. Lightwave Technol. (to be published).

X. Wu, J. Wang, O. F. Yilmaz, S. R. Nuccio, A. Bogoni, and A. E. Willner, in European Conference on Optical Communications (2009), pp. 1-2.

S. R. Nuccio, O. F. Yilmaz, X. Wu, and A. E. Willner, in Conference on Lasers and Electro-Optics (2009), pp. 1-2.

J. Lightwave Technol. (2)

O. F. Yilmaz, S. R. Nuccio, X. Wu, and A. E. Willner, “40 Gb/s optical packet buffer using conversion/dispersion-based delays,” J. Lightwave Technol. (to be published).

R. S. Tucker, P.-Ch. Ku, and C. J. Chang-Hasnain, J. Lightwave Technol. 23, 4046 (2005).
[CrossRef]

Opt. Express (2)

Opt. Lett. (2)

Other (5)

S. R. Nuccio, O. F. Yilmaz, X. Wu, and A. E. Willner, in Conference on Lasers and Electro-Optics (2009), pp. 1-2.

S. Namiki and T. Kurosu, in European Conference on Optical Communications (2008), pp. 1-2.

X. Wu, J. Wang, O. F. Yilmaz, S. R. Nuccio, A. Bogoni, and A. E. Willner, in European Conference on Optical Communications (2009), pp. 1-2.

N. Alic, E. Myslivets, S. Moro, B. P. P. Kuo, R. M. Jopson, C. J. McKinstrie, and S. Radic, in IEEE/OSA Conference on Optical Fiber Communications (2009), pp. 1-3.

A. Yariv and P. Yeh, Optical Waves in Crystals: Propagation and Control of Laser Radiation (Wiley-Interscience, 2002), Chap. 10.

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Figures (4)

Fig. 1
Fig. 1

(a) A tunable laser with 1 pm (125 MHz) resolution is used to coarse tune the delay from 0 to 256 ns. Cascaded AOMs shift the laser center frequency with 1 kHz resolution, fine tuning the delay from 0 to 25 ps. (b) Measured fine and coarse tuning ranges.

Fig. 2
Fig. 2

Block diagram: W / C 1 , wavelength converter; DCF, dispersion compensating fiber; AOM, acousto-optic modulator; MZM, Mach–Zehnder modulator; RX, receiver; HNLF, highly nonlinear fiber.

Fig. 3
Fig. 3

(a) Sampling scope trace of 40 Gbits/s RZ-OOK bits with inset showing 0, 0.5, and 1 ps delay shifts. (b) Tuning range of our cascaded AOMs is shown through optical mixing measurements.

Fig. 4
Fig. 4

BER curves for varying delay values with and without the AOMs.

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