Abstract

A photonic crystal (PC)-based symmetric Mach-Zehnder type all-optical switch (PC-SMZ), previously operated by single pump pulse alone, has been operated newly by a multiple-pump pulse train corresponding to a repetition frequency of 40 GHz at pulse energy as low as 10 fJ. The device involves quantum dots (QDs) in two parallel PC arms as optical nonlinear media and functions as a time-differential phase modulator caused by the pump pulse inducing carriers in the QD. Prior to the switch operation, sequential time response of the phase shift for a probe pulse was investigated in detail by changing the power and repetition rate of the pump pulse in the straight PC waveguide configuration. Besides, PC and QD parameters were explored for possibility of 100% on-off switching ratio. As a result, five QD layers, 40-ps QD relaxation-time, 500-$\mu\hbox{m}$ PC-length and use of as low as 0.05 c PC group-velocity (c; light velocity in vacuum) were found to implement the 100% switching ratio. Since each of these parameters has ever been achieved experimentally, the result will pave a promising way to an ultra-small and ultra-fast integrated all-optical switch.

© 2009 IEEE

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2007 (1)

N. Ozaki, Y. Kitagawa, Y. Takata, N. Ikeda, Y. Watanabe, A. Mizutani, Y. Sugimoto, K. Asakawa, "High transmission recovery of slow light in a photonic crystal waveguide using a hetero group-velocity waveguide," Opt. Expr. 15, 7974-7983 (2007).

2006 (2)

H. Kawaguchi, T. Mori, Y. Sato, Y. Yamayoshi, "Optical buffer memory using polarization bistable vertical-cavity surface-emitting lasers," Jpn. J. Appl. Phys., Expr. Lett. 45, L894-L897 (2006).

K. Asakawa, Y. Sugimoto, Y. Watanabe, N. Ozaki, A. Mizutani, Y. Takata, Y. Kitagawa, H. Ishikawa, N. Ikeda, K. Awazu, X. Wang, A. Watanabe, S. Nakamura, S. Ohkouchi, K. Inoue, M. Kristensen, O. Sigmund, P. I. Borel, R. Baets, "Photonic crystal and quantum dot technologies for all-optical switch and logic devices," New J. Phys. 8, 208 (2006).

2005 (2)

N. Iizuka, K. Kaneko, N. Suzuki, "Sub-picosecond all-optical gate utilizing GaN inter-subband transition," Opt. Expr. 13, 3835-3840 (2005).

R. Clavero, F. Ramos, J. Marti, "All-optical flip-flop based on an active Mach-Zehnder interferometer with a feedback loop," Opt. Lett. 30, 2861-2863 (2005).

2004 (1)

H. Nakamura, Y. Sugimoto, K. Kanamoto, N. Ikeda, Y. Tanaka, Y. Nakamura, S. Ohkouchi, Y. Watanabe, K. Inoue, H. Ishikawa, K. Asakawa, "Ultra-fast photonic crystal/quantum dot all-optical switch for future photonic networks," Opt. Expr. 12, 6606-6614 (2004).

2003 (1)

I. T. Monroy, E. J. M. Verdurmen, S. Sulur, A. M. J. Koonen, H. de Waardt, G. D. Khoe, N. Chi, P. V. Holm-Nielsen, J. Zhang, C. Peucheret, "Performance of a SOA-MZI wavelength converter for label swapping using combined FSK/IM modulation format," Opt. Fiber Technol. 10, 31-49 (2003).

2002 (1)

Y. Sugimoto, N. Ikeda, N. Carlsson, K. Asakawa, N. Kawai, K. Inoue, "Fabrication and characterization of different types of two-dimensional AlGaAs photonic crystal slab," J. Appl. Phys. 91, 922-929 (2002).

1993 (1)

K. Tajima, "All-optical switch with switch-off time unrestricted by carrier lifetime," Jpn. J. Appl. Phys. 32, L1746-L1749 (1993).

J. Appl. Phys. (1)

Y. Sugimoto, N. Ikeda, N. Carlsson, K. Asakawa, N. Kawai, K. Inoue, "Fabrication and characterization of different types of two-dimensional AlGaAs photonic crystal slab," J. Appl. Phys. 91, 922-929 (2002).

Jpn. J. Appl. Phys. (1)

K. Tajima, "All-optical switch with switch-off time unrestricted by carrier lifetime," Jpn. J. Appl. Phys. 32, L1746-L1749 (1993).

Jpn. J. Appl. Phys., Expr. Lett. (1)

H. Kawaguchi, T. Mori, Y. Sato, Y. Yamayoshi, "Optical buffer memory using polarization bistable vertical-cavity surface-emitting lasers," Jpn. J. Appl. Phys., Expr. Lett. 45, L894-L897 (2006).

New J. Phys. (1)

K. Asakawa, Y. Sugimoto, Y. Watanabe, N. Ozaki, A. Mizutani, Y. Takata, Y. Kitagawa, H. Ishikawa, N. Ikeda, K. Awazu, X. Wang, A. Watanabe, S. Nakamura, S. Ohkouchi, K. Inoue, M. Kristensen, O. Sigmund, P. I. Borel, R. Baets, "Photonic crystal and quantum dot technologies for all-optical switch and logic devices," New J. Phys. 8, 208 (2006).

Opt. Expr. (1)

N. Iizuka, K. Kaneko, N. Suzuki, "Sub-picosecond all-optical gate utilizing GaN inter-subband transition," Opt. Expr. 13, 3835-3840 (2005).

Opt. Expr. (2)

H. Nakamura, Y. Sugimoto, K. Kanamoto, N. Ikeda, Y. Tanaka, Y. Nakamura, S. Ohkouchi, Y. Watanabe, K. Inoue, H. Ishikawa, K. Asakawa, "Ultra-fast photonic crystal/quantum dot all-optical switch for future photonic networks," Opt. Expr. 12, 6606-6614 (2004).

N. Ozaki, Y. Kitagawa, Y. Takata, N. Ikeda, Y. Watanabe, A. Mizutani, Y. Sugimoto, K. Asakawa, "High transmission recovery of slow light in a photonic crystal waveguide using a hetero group-velocity waveguide," Opt. Expr. 15, 7974-7983 (2007).

Opt. Fiber Technol. (1)

I. T. Monroy, E. J. M. Verdurmen, S. Sulur, A. M. J. Koonen, H. de Waardt, G. D. Khoe, N. Chi, P. V. Holm-Nielsen, J. Zhang, C. Peucheret, "Performance of a SOA-MZI wavelength converter for label swapping using combined FSK/IM modulation format," Opt. Fiber Technol. 10, 31-49 (2003).

Opt. Lett. (1)

Other (1)

Photonic Crystals (Springer-Verlag, 2004).

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