Abstract

We propose a novel optical quantizing and coding for ultrafast analog-to-digital (A/D) conversion using nonlinear optical switches based on Sagnac interferometer. The feasibility of a 3-bit A/D conversion at 10-Giga-sample-per-second (Gsps) is experimentally demonstrated. Multi-period transfer function of the Sagnac interferometer type nonlinear fiber-optic switch, which is a key to the quantizing and coding, is experimentally realized for the first time to the authors’ knowledge. The proposed optical quantizing and coding, combined with existing optical sampling techniques, will enable ultrafast photonic A/D conversion without high-speed electronics, potentially in the frequency region of well over a few hundred Gsps.

© 2005 Optical Society of America

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  1. H. Nosaka, M. Nakamura, M. Ida, K. Kurishima, T. Shibata, M. Tokumitsu, and M. Muraguchi, “A 24-Gsps 3-bit Nyquist ADC using InP HBTs for electronic dispersion compensation,” in Proceedings of International Microwave Symposium, (Fort Worth, Texas, 2004), TU5A-1, pp. 101–104
  2. R. H. Walden, “Analog-to-digital converter survey and analysis,” J. Select. Areas Commun. 17, 539–550 (1999).
    [CrossRef]
  3. H. F. Taylor, “An optical analog-to-digital converter- design and analysis.” IEEE J. Quantum Electron. 15, 210–216 (1979).
    [CrossRef]
  4. T. Yamamoto, E. Yoshida, and M. Nakazawa, “Ultrafast nonlinear optical loop mirror for demultiplexing 640Gbit/s TDM signals,” Electron. Lett. 34, 1013–1014 (1998).
    [CrossRef]
  5. H. Takara, S. Kawanishi, T. Morioka, K. Mori, and M. Saruwatari, “100Gbit/s optical waveform measurement with 0.6 ps resolution optical sampling using subpicosecond supercontinuum pulses,” Electron. Lett. 30, 1152–1553 (1994)
    [CrossRef]
  6. T. Morioka, H. Takara, S. Kawanishi, T. Kitoh, and M. Saruwatari, “Error-free 500Gbit/s all-optical demultiplexing using low-noise, low-jitter supercontinuum short pulses,” Electron. Lett. 32, 833–834 (1996).
    [CrossRef]
  7. T. Konishi, K. Tanimura, K. Asao, Y. Oshita, and Y. Ichioka, “All-optical analog-to-digital converter by use of self-frequency shifting in fiber and a pulseshaping technique,” J. Opt. Soc. Am. B 19, 2817–2823 (2002).
    [CrossRef]
  8. C. Xu and X. Liu, “Photonic analog-to- digital converter using soliton self-frequency shift and interleaving spectral filters,” Opt. Lett. 28, 986–988 (2003).
    [CrossRef] [PubMed]
  9. Govind P. Agrawal , “Fiber interferometer,” in Applications of nonlinear fiber optics: Edited by Paul L. Kelley, (Academic press, San Diego, 2001), Chap. 3.
  10. K. Ikeda, J. M. Abdul, S. Namiki, and K. Kitayama, “A novel quantizing and coding for ultrafast all-optical A/D converter using nonlinear fiber-optic switches,” in Proceedings of European Conference in Optical Communication, (Stockholm, Sweden, 2004), Mo3.5.4, pp.46–47.
  11. J. Hiroishi, N. Kumano, R. Sugizaki, O. Aso, M. Tadakuma, T. Shibuta, N. Oyama, T. Yagi, and M. Sakano, “Highly nonlinear DSF with low dispersion slope for wavelength converter,” in Proceedings of OptoElectronics and Communications Conference, (Yokohama,Japan, 2002), pp.492–493.
  12. J. Hiroishi, N. Kumano, K. Mukasa, R. Sugizaki, R. Miyabe, S. Matsushita, H. Tobioka, S. Namiki, and T. Yagi, “Dispersion controlled HNL-DSF with high γ of 25 W-1km-1 and band conversion experiment using this fiber,” in Proceedings of European Conference in Optical Communication, (Copenhagen, Denmark, 2002), PD1.5.
  13. H. Tobioka, K. Igarashi, S. Takasaka, R. Miyabe, J. Hiroishi, R. Sugizaki, T. Yagi, O. Aso, and S. Namiki, “Low-noise ultra-fast fiber parametric wavelength converter for 160 GHz sub-picojoule picosecond pulse train using low dispersion slope highly-nonlinear fiber,” in Proceedings of European Conference in Optical Communication, (Rimini, Italy, 2003), We3.7.1.

2003 (1)

2002 (1)

1999 (1)

R. H. Walden, “Analog-to-digital converter survey and analysis,” J. Select. Areas Commun. 17, 539–550 (1999).
[CrossRef]

1998 (1)

T. Yamamoto, E. Yoshida, and M. Nakazawa, “Ultrafast nonlinear optical loop mirror for demultiplexing 640Gbit/s TDM signals,” Electron. Lett. 34, 1013–1014 (1998).
[CrossRef]

1996 (1)

T. Morioka, H. Takara, S. Kawanishi, T. Kitoh, and M. Saruwatari, “Error-free 500Gbit/s all-optical demultiplexing using low-noise, low-jitter supercontinuum short pulses,” Electron. Lett. 32, 833–834 (1996).
[CrossRef]

1994 (1)

H. Takara, S. Kawanishi, T. Morioka, K. Mori, and M. Saruwatari, “100Gbit/s optical waveform measurement with 0.6 ps resolution optical sampling using subpicosecond supercontinuum pulses,” Electron. Lett. 30, 1152–1553 (1994)
[CrossRef]

1979 (1)

H. F. Taylor, “An optical analog-to-digital converter- design and analysis.” IEEE J. Quantum Electron. 15, 210–216 (1979).
[CrossRef]

Abdul, J. M.

K. Ikeda, J. M. Abdul, S. Namiki, and K. Kitayama, “A novel quantizing and coding for ultrafast all-optical A/D converter using nonlinear fiber-optic switches,” in Proceedings of European Conference in Optical Communication, (Stockholm, Sweden, 2004), Mo3.5.4, pp.46–47.

Agrawal, Govind P.

Govind P. Agrawal , “Fiber interferometer,” in Applications of nonlinear fiber optics: Edited by Paul L. Kelley, (Academic press, San Diego, 2001), Chap. 3.

Asao, K.

Aso, O.

H. Tobioka, K. Igarashi, S. Takasaka, R. Miyabe, J. Hiroishi, R. Sugizaki, T. Yagi, O. Aso, and S. Namiki, “Low-noise ultra-fast fiber parametric wavelength converter for 160 GHz sub-picojoule picosecond pulse train using low dispersion slope highly-nonlinear fiber,” in Proceedings of European Conference in Optical Communication, (Rimini, Italy, 2003), We3.7.1.

J. Hiroishi, N. Kumano, R. Sugizaki, O. Aso, M. Tadakuma, T. Shibuta, N. Oyama, T. Yagi, and M. Sakano, “Highly nonlinear DSF with low dispersion slope for wavelength converter,” in Proceedings of OptoElectronics and Communications Conference, (Yokohama,Japan, 2002), pp.492–493.

Hiroishi, J.

J. Hiroishi, N. Kumano, R. Sugizaki, O. Aso, M. Tadakuma, T. Shibuta, N. Oyama, T. Yagi, and M. Sakano, “Highly nonlinear DSF with low dispersion slope for wavelength converter,” in Proceedings of OptoElectronics and Communications Conference, (Yokohama,Japan, 2002), pp.492–493.

J. Hiroishi, N. Kumano, K. Mukasa, R. Sugizaki, R. Miyabe, S. Matsushita, H. Tobioka, S. Namiki, and T. Yagi, “Dispersion controlled HNL-DSF with high γ of 25 W-1km-1 and band conversion experiment using this fiber,” in Proceedings of European Conference in Optical Communication, (Copenhagen, Denmark, 2002), PD1.5.

H. Tobioka, K. Igarashi, S. Takasaka, R. Miyabe, J. Hiroishi, R. Sugizaki, T. Yagi, O. Aso, and S. Namiki, “Low-noise ultra-fast fiber parametric wavelength converter for 160 GHz sub-picojoule picosecond pulse train using low dispersion slope highly-nonlinear fiber,” in Proceedings of European Conference in Optical Communication, (Rimini, Italy, 2003), We3.7.1.

Ichioka, Y.

Ida, M.

H. Nosaka, M. Nakamura, M. Ida, K. Kurishima, T. Shibata, M. Tokumitsu, and M. Muraguchi, “A 24-Gsps 3-bit Nyquist ADC using InP HBTs for electronic dispersion compensation,” in Proceedings of International Microwave Symposium, (Fort Worth, Texas, 2004), TU5A-1, pp. 101–104

Igarashi, K.

H. Tobioka, K. Igarashi, S. Takasaka, R. Miyabe, J. Hiroishi, R. Sugizaki, T. Yagi, O. Aso, and S. Namiki, “Low-noise ultra-fast fiber parametric wavelength converter for 160 GHz sub-picojoule picosecond pulse train using low dispersion slope highly-nonlinear fiber,” in Proceedings of European Conference in Optical Communication, (Rimini, Italy, 2003), We3.7.1.

Ikeda, K.

K. Ikeda, J. M. Abdul, S. Namiki, and K. Kitayama, “A novel quantizing and coding for ultrafast all-optical A/D converter using nonlinear fiber-optic switches,” in Proceedings of European Conference in Optical Communication, (Stockholm, Sweden, 2004), Mo3.5.4, pp.46–47.

Kawanishi, S.

T. Morioka, H. Takara, S. Kawanishi, T. Kitoh, and M. Saruwatari, “Error-free 500Gbit/s all-optical demultiplexing using low-noise, low-jitter supercontinuum short pulses,” Electron. Lett. 32, 833–834 (1996).
[CrossRef]

H. Takara, S. Kawanishi, T. Morioka, K. Mori, and M. Saruwatari, “100Gbit/s optical waveform measurement with 0.6 ps resolution optical sampling using subpicosecond supercontinuum pulses,” Electron. Lett. 30, 1152–1553 (1994)
[CrossRef]

Kitayama, K.

K. Ikeda, J. M. Abdul, S. Namiki, and K. Kitayama, “A novel quantizing and coding for ultrafast all-optical A/D converter using nonlinear fiber-optic switches,” in Proceedings of European Conference in Optical Communication, (Stockholm, Sweden, 2004), Mo3.5.4, pp.46–47.

Kitoh, T.

T. Morioka, H. Takara, S. Kawanishi, T. Kitoh, and M. Saruwatari, “Error-free 500Gbit/s all-optical demultiplexing using low-noise, low-jitter supercontinuum short pulses,” Electron. Lett. 32, 833–834 (1996).
[CrossRef]

Konishi, T.

Kumano, N.

J. Hiroishi, N. Kumano, K. Mukasa, R. Sugizaki, R. Miyabe, S. Matsushita, H. Tobioka, S. Namiki, and T. Yagi, “Dispersion controlled HNL-DSF with high γ of 25 W-1km-1 and band conversion experiment using this fiber,” in Proceedings of European Conference in Optical Communication, (Copenhagen, Denmark, 2002), PD1.5.

J. Hiroishi, N. Kumano, R. Sugizaki, O. Aso, M. Tadakuma, T. Shibuta, N. Oyama, T. Yagi, and M. Sakano, “Highly nonlinear DSF with low dispersion slope for wavelength converter,” in Proceedings of OptoElectronics and Communications Conference, (Yokohama,Japan, 2002), pp.492–493.

Kurishima, K.

H. Nosaka, M. Nakamura, M. Ida, K. Kurishima, T. Shibata, M. Tokumitsu, and M. Muraguchi, “A 24-Gsps 3-bit Nyquist ADC using InP HBTs for electronic dispersion compensation,” in Proceedings of International Microwave Symposium, (Fort Worth, Texas, 2004), TU5A-1, pp. 101–104

Liu, X.

Matsushita, S.

J. Hiroishi, N. Kumano, K. Mukasa, R. Sugizaki, R. Miyabe, S. Matsushita, H. Tobioka, S. Namiki, and T. Yagi, “Dispersion controlled HNL-DSF with high γ of 25 W-1km-1 and band conversion experiment using this fiber,” in Proceedings of European Conference in Optical Communication, (Copenhagen, Denmark, 2002), PD1.5.

Miyabe, R.

J. Hiroishi, N. Kumano, K. Mukasa, R. Sugizaki, R. Miyabe, S. Matsushita, H. Tobioka, S. Namiki, and T. Yagi, “Dispersion controlled HNL-DSF with high γ of 25 W-1km-1 and band conversion experiment using this fiber,” in Proceedings of European Conference in Optical Communication, (Copenhagen, Denmark, 2002), PD1.5.

H. Tobioka, K. Igarashi, S. Takasaka, R. Miyabe, J. Hiroishi, R. Sugizaki, T. Yagi, O. Aso, and S. Namiki, “Low-noise ultra-fast fiber parametric wavelength converter for 160 GHz sub-picojoule picosecond pulse train using low dispersion slope highly-nonlinear fiber,” in Proceedings of European Conference in Optical Communication, (Rimini, Italy, 2003), We3.7.1.

Mori, K.

H. Takara, S. Kawanishi, T. Morioka, K. Mori, and M. Saruwatari, “100Gbit/s optical waveform measurement with 0.6 ps resolution optical sampling using subpicosecond supercontinuum pulses,” Electron. Lett. 30, 1152–1553 (1994)
[CrossRef]

Morioka, T.

T. Morioka, H. Takara, S. Kawanishi, T. Kitoh, and M. Saruwatari, “Error-free 500Gbit/s all-optical demultiplexing using low-noise, low-jitter supercontinuum short pulses,” Electron. Lett. 32, 833–834 (1996).
[CrossRef]

H. Takara, S. Kawanishi, T. Morioka, K. Mori, and M. Saruwatari, “100Gbit/s optical waveform measurement with 0.6 ps resolution optical sampling using subpicosecond supercontinuum pulses,” Electron. Lett. 30, 1152–1553 (1994)
[CrossRef]

Mukasa, K.

J. Hiroishi, N. Kumano, K. Mukasa, R. Sugizaki, R. Miyabe, S. Matsushita, H. Tobioka, S. Namiki, and T. Yagi, “Dispersion controlled HNL-DSF with high γ of 25 W-1km-1 and band conversion experiment using this fiber,” in Proceedings of European Conference in Optical Communication, (Copenhagen, Denmark, 2002), PD1.5.

Muraguchi, M.

H. Nosaka, M. Nakamura, M. Ida, K. Kurishima, T. Shibata, M. Tokumitsu, and M. Muraguchi, “A 24-Gsps 3-bit Nyquist ADC using InP HBTs for electronic dispersion compensation,” in Proceedings of International Microwave Symposium, (Fort Worth, Texas, 2004), TU5A-1, pp. 101–104

Nakamura, M.

H. Nosaka, M. Nakamura, M. Ida, K. Kurishima, T. Shibata, M. Tokumitsu, and M. Muraguchi, “A 24-Gsps 3-bit Nyquist ADC using InP HBTs for electronic dispersion compensation,” in Proceedings of International Microwave Symposium, (Fort Worth, Texas, 2004), TU5A-1, pp. 101–104

Nakazawa, M.

T. Yamamoto, E. Yoshida, and M. Nakazawa, “Ultrafast nonlinear optical loop mirror for demultiplexing 640Gbit/s TDM signals,” Electron. Lett. 34, 1013–1014 (1998).
[CrossRef]

Namiki, S.

H. Tobioka, K. Igarashi, S. Takasaka, R. Miyabe, J. Hiroishi, R. Sugizaki, T. Yagi, O. Aso, and S. Namiki, “Low-noise ultra-fast fiber parametric wavelength converter for 160 GHz sub-picojoule picosecond pulse train using low dispersion slope highly-nonlinear fiber,” in Proceedings of European Conference in Optical Communication, (Rimini, Italy, 2003), We3.7.1.

K. Ikeda, J. M. Abdul, S. Namiki, and K. Kitayama, “A novel quantizing and coding for ultrafast all-optical A/D converter using nonlinear fiber-optic switches,” in Proceedings of European Conference in Optical Communication, (Stockholm, Sweden, 2004), Mo3.5.4, pp.46–47.

J. Hiroishi, N. Kumano, K. Mukasa, R. Sugizaki, R. Miyabe, S. Matsushita, H. Tobioka, S. Namiki, and T. Yagi, “Dispersion controlled HNL-DSF with high γ of 25 W-1km-1 and band conversion experiment using this fiber,” in Proceedings of European Conference in Optical Communication, (Copenhagen, Denmark, 2002), PD1.5.

Nosaka, H.

H. Nosaka, M. Nakamura, M. Ida, K. Kurishima, T. Shibata, M. Tokumitsu, and M. Muraguchi, “A 24-Gsps 3-bit Nyquist ADC using InP HBTs for electronic dispersion compensation,” in Proceedings of International Microwave Symposium, (Fort Worth, Texas, 2004), TU5A-1, pp. 101–104

Oshita, Y.

Oyama, N.

J. Hiroishi, N. Kumano, R. Sugizaki, O. Aso, M. Tadakuma, T. Shibuta, N. Oyama, T. Yagi, and M. Sakano, “Highly nonlinear DSF with low dispersion slope for wavelength converter,” in Proceedings of OptoElectronics and Communications Conference, (Yokohama,Japan, 2002), pp.492–493.

Sakano, M.

J. Hiroishi, N. Kumano, R. Sugizaki, O. Aso, M. Tadakuma, T. Shibuta, N. Oyama, T. Yagi, and M. Sakano, “Highly nonlinear DSF with low dispersion slope for wavelength converter,” in Proceedings of OptoElectronics and Communications Conference, (Yokohama,Japan, 2002), pp.492–493.

Saruwatari, M.

T. Morioka, H. Takara, S. Kawanishi, T. Kitoh, and M. Saruwatari, “Error-free 500Gbit/s all-optical demultiplexing using low-noise, low-jitter supercontinuum short pulses,” Electron. Lett. 32, 833–834 (1996).
[CrossRef]

H. Takara, S. Kawanishi, T. Morioka, K. Mori, and M. Saruwatari, “100Gbit/s optical waveform measurement with 0.6 ps resolution optical sampling using subpicosecond supercontinuum pulses,” Electron. Lett. 30, 1152–1553 (1994)
[CrossRef]

Shibata, T.

H. Nosaka, M. Nakamura, M. Ida, K. Kurishima, T. Shibata, M. Tokumitsu, and M. Muraguchi, “A 24-Gsps 3-bit Nyquist ADC using InP HBTs for electronic dispersion compensation,” in Proceedings of International Microwave Symposium, (Fort Worth, Texas, 2004), TU5A-1, pp. 101–104

Shibuta, T.

J. Hiroishi, N. Kumano, R. Sugizaki, O. Aso, M. Tadakuma, T. Shibuta, N. Oyama, T. Yagi, and M. Sakano, “Highly nonlinear DSF with low dispersion slope for wavelength converter,” in Proceedings of OptoElectronics and Communications Conference, (Yokohama,Japan, 2002), pp.492–493.

Sugizaki, R.

J. Hiroishi, N. Kumano, K. Mukasa, R. Sugizaki, R. Miyabe, S. Matsushita, H. Tobioka, S. Namiki, and T. Yagi, “Dispersion controlled HNL-DSF with high γ of 25 W-1km-1 and band conversion experiment using this fiber,” in Proceedings of European Conference in Optical Communication, (Copenhagen, Denmark, 2002), PD1.5.

J. Hiroishi, N. Kumano, R. Sugizaki, O. Aso, M. Tadakuma, T. Shibuta, N. Oyama, T. Yagi, and M. Sakano, “Highly nonlinear DSF with low dispersion slope for wavelength converter,” in Proceedings of OptoElectronics and Communications Conference, (Yokohama,Japan, 2002), pp.492–493.

H. Tobioka, K. Igarashi, S. Takasaka, R. Miyabe, J. Hiroishi, R. Sugizaki, T. Yagi, O. Aso, and S. Namiki, “Low-noise ultra-fast fiber parametric wavelength converter for 160 GHz sub-picojoule picosecond pulse train using low dispersion slope highly-nonlinear fiber,” in Proceedings of European Conference in Optical Communication, (Rimini, Italy, 2003), We3.7.1.

Tadakuma, M.

J. Hiroishi, N. Kumano, R. Sugizaki, O. Aso, M. Tadakuma, T. Shibuta, N. Oyama, T. Yagi, and M. Sakano, “Highly nonlinear DSF with low dispersion slope for wavelength converter,” in Proceedings of OptoElectronics and Communications Conference, (Yokohama,Japan, 2002), pp.492–493.

Takara, H.

T. Morioka, H. Takara, S. Kawanishi, T. Kitoh, and M. Saruwatari, “Error-free 500Gbit/s all-optical demultiplexing using low-noise, low-jitter supercontinuum short pulses,” Electron. Lett. 32, 833–834 (1996).
[CrossRef]

H. Takara, S. Kawanishi, T. Morioka, K. Mori, and M. Saruwatari, “100Gbit/s optical waveform measurement with 0.6 ps resolution optical sampling using subpicosecond supercontinuum pulses,” Electron. Lett. 30, 1152–1553 (1994)
[CrossRef]

Takasaka, S.

H. Tobioka, K. Igarashi, S. Takasaka, R. Miyabe, J. Hiroishi, R. Sugizaki, T. Yagi, O. Aso, and S. Namiki, “Low-noise ultra-fast fiber parametric wavelength converter for 160 GHz sub-picojoule picosecond pulse train using low dispersion slope highly-nonlinear fiber,” in Proceedings of European Conference in Optical Communication, (Rimini, Italy, 2003), We3.7.1.

Tanimura, K.

Taylor, H. F.

H. F. Taylor, “An optical analog-to-digital converter- design and analysis.” IEEE J. Quantum Electron. 15, 210–216 (1979).
[CrossRef]

Tobioka, H.

J. Hiroishi, N. Kumano, K. Mukasa, R. Sugizaki, R. Miyabe, S. Matsushita, H. Tobioka, S. Namiki, and T. Yagi, “Dispersion controlled HNL-DSF with high γ of 25 W-1km-1 and band conversion experiment using this fiber,” in Proceedings of European Conference in Optical Communication, (Copenhagen, Denmark, 2002), PD1.5.

H. Tobioka, K. Igarashi, S. Takasaka, R. Miyabe, J. Hiroishi, R. Sugizaki, T. Yagi, O. Aso, and S. Namiki, “Low-noise ultra-fast fiber parametric wavelength converter for 160 GHz sub-picojoule picosecond pulse train using low dispersion slope highly-nonlinear fiber,” in Proceedings of European Conference in Optical Communication, (Rimini, Italy, 2003), We3.7.1.

Tokumitsu, M.

H. Nosaka, M. Nakamura, M. Ida, K. Kurishima, T. Shibata, M. Tokumitsu, and M. Muraguchi, “A 24-Gsps 3-bit Nyquist ADC using InP HBTs for electronic dispersion compensation,” in Proceedings of International Microwave Symposium, (Fort Worth, Texas, 2004), TU5A-1, pp. 101–104

Walden, R. H.

R. H. Walden, “Analog-to-digital converter survey and analysis,” J. Select. Areas Commun. 17, 539–550 (1999).
[CrossRef]

Xu, C.

Yagi, T.

H. Tobioka, K. Igarashi, S. Takasaka, R. Miyabe, J. Hiroishi, R. Sugizaki, T. Yagi, O. Aso, and S. Namiki, “Low-noise ultra-fast fiber parametric wavelength converter for 160 GHz sub-picojoule picosecond pulse train using low dispersion slope highly-nonlinear fiber,” in Proceedings of European Conference in Optical Communication, (Rimini, Italy, 2003), We3.7.1.

J. Hiroishi, N. Kumano, K. Mukasa, R. Sugizaki, R. Miyabe, S. Matsushita, H. Tobioka, S. Namiki, and T. Yagi, “Dispersion controlled HNL-DSF with high γ of 25 W-1km-1 and band conversion experiment using this fiber,” in Proceedings of European Conference in Optical Communication, (Copenhagen, Denmark, 2002), PD1.5.

J. Hiroishi, N. Kumano, R. Sugizaki, O. Aso, M. Tadakuma, T. Shibuta, N. Oyama, T. Yagi, and M. Sakano, “Highly nonlinear DSF with low dispersion slope for wavelength converter,” in Proceedings of OptoElectronics and Communications Conference, (Yokohama,Japan, 2002), pp.492–493.

Yamamoto, T.

T. Yamamoto, E. Yoshida, and M. Nakazawa, “Ultrafast nonlinear optical loop mirror for demultiplexing 640Gbit/s TDM signals,” Electron. Lett. 34, 1013–1014 (1998).
[CrossRef]

Yoshida, E.

T. Yamamoto, E. Yoshida, and M. Nakazawa, “Ultrafast nonlinear optical loop mirror for demultiplexing 640Gbit/s TDM signals,” Electron. Lett. 34, 1013–1014 (1998).
[CrossRef]

Electron. Lett. (3)

T. Yamamoto, E. Yoshida, and M. Nakazawa, “Ultrafast nonlinear optical loop mirror for demultiplexing 640Gbit/s TDM signals,” Electron. Lett. 34, 1013–1014 (1998).
[CrossRef]

H. Takara, S. Kawanishi, T. Morioka, K. Mori, and M. Saruwatari, “100Gbit/s optical waveform measurement with 0.6 ps resolution optical sampling using subpicosecond supercontinuum pulses,” Electron. Lett. 30, 1152–1553 (1994)
[CrossRef]

T. Morioka, H. Takara, S. Kawanishi, T. Kitoh, and M. Saruwatari, “Error-free 500Gbit/s all-optical demultiplexing using low-noise, low-jitter supercontinuum short pulses,” Electron. Lett. 32, 833–834 (1996).
[CrossRef]

IEEE J. Quantum Electron. (1)

H. F. Taylor, “An optical analog-to-digital converter- design and analysis.” IEEE J. Quantum Electron. 15, 210–216 (1979).
[CrossRef]

J. Opt. Soc. Am. B (1)

J. Select. Areas Commun. (1)

R. H. Walden, “Analog-to-digital converter survey and analysis,” J. Select. Areas Commun. 17, 539–550 (1999).
[CrossRef]

Opt. Lett. (1)

Other (6)

Govind P. Agrawal , “Fiber interferometer,” in Applications of nonlinear fiber optics: Edited by Paul L. Kelley, (Academic press, San Diego, 2001), Chap. 3.

K. Ikeda, J. M. Abdul, S. Namiki, and K. Kitayama, “A novel quantizing and coding for ultrafast all-optical A/D converter using nonlinear fiber-optic switches,” in Proceedings of European Conference in Optical Communication, (Stockholm, Sweden, 2004), Mo3.5.4, pp.46–47.

J. Hiroishi, N. Kumano, R. Sugizaki, O. Aso, M. Tadakuma, T. Shibuta, N. Oyama, T. Yagi, and M. Sakano, “Highly nonlinear DSF with low dispersion slope for wavelength converter,” in Proceedings of OptoElectronics and Communications Conference, (Yokohama,Japan, 2002), pp.492–493.

J. Hiroishi, N. Kumano, K. Mukasa, R. Sugizaki, R. Miyabe, S. Matsushita, H. Tobioka, S. Namiki, and T. Yagi, “Dispersion controlled HNL-DSF with high γ of 25 W-1km-1 and band conversion experiment using this fiber,” in Proceedings of European Conference in Optical Communication, (Copenhagen, Denmark, 2002), PD1.5.

H. Tobioka, K. Igarashi, S. Takasaka, R. Miyabe, J. Hiroishi, R. Sugizaki, T. Yagi, O. Aso, and S. Namiki, “Low-noise ultra-fast fiber parametric wavelength converter for 160 GHz sub-picojoule picosecond pulse train using low dispersion slope highly-nonlinear fiber,” in Proceedings of European Conference in Optical Communication, (Rimini, Italy, 2003), We3.7.1.

H. Nosaka, M. Nakamura, M. Ida, K. Kurishima, T. Shibata, M. Tokumitsu, and M. Muraguchi, “A 24-Gsps 3-bit Nyquist ADC using InP HBTs for electronic dispersion compensation,” in Proceedings of International Microwave Symposium, (Fort Worth, Texas, 2004), TU5A-1, pp. 101–104

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Figures (7)

Fig. 1.
Fig. 1.

Block diagram of all-optical encoder and quantizer in AD conversion.

Fig. 2.
Fig. 2.

Transfer functions and corresponding quantizing rule of Encoders 1, 2, and 3, (upper) and relation of input power of analog pulse to output bit pattern (Gray code) of the encoders (lower).

Fig. 3.
Fig. 3.

Configuration of the optical switch based on nonlinear Sagnac loop for encoder.

Fig. 4.
Fig. 4.

Experimental setup.

Fig. 5.
Fig. 5.

Transfer function of the thresholders.

Fig. 6.
Fig. 6.

Experimental results of the transfer functions of the encoders. The left column indicates the encoder outputs, and the right column indicates the thresholder outputs.

Fig. 7.
Fig. 7.

Reconstructed output digital signals based on the results shown in Fig. 6.

Equations (2)

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T = P { 1 cos ( ϕ XPM CW ϕ XPM CCW ) } 2
= P { 1 cos ( 2 γ ( P peak P ave ) L ) } 2 ,

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