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Optics Express

Optics Express

  • Editor: Michael Duncan
  • Vol. 13, Iss. 11 — May. 30, 2005
  • pp: 4202–4209

Ultrasmall multi-channel resonant-tunneling filter using mode gap of width-tuned photonic-crystal waveguide

Akihiko Shinya, Satoshi Mitsugi, Eiichi Kuramochi, and Masaya Notomi  »View Author Affiliations

Optics Express, Vol. 13, Issue 11, pp. 4202-4209 (2005)

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We have devised an ultra-small multi-channel drop filter based on a two-port resonant tunneling system in a two-dimensional photonic crystal with a triangular air-hole lattice. This filter does not require careful consideration of the interference process to achieve a high dropping efficiency. First we develop three-port systems based on a two-port resonant tunneling filter. Next we devise a multi-port channel drop filter by cascading these three-port systems. In this paper, we demonstrate a ten-channel drop filter with an 18 µm device size by 2D-FDTD calculation, and a three-port resonant tunneling filter with 65± 20 % dropping efficiency by experiment.

© 2005 Optical Society of America

OCIS Codes
(230.7370) Optical devices : Waveguides
(250.5300) Optoelectronics : Photonic integrated circuits

ToC Category:
Research Papers

Original Manuscript: April 18, 2005
Revised Manuscript: May 16, 2005
Published: May 30, 2005

Akihiko Shinya, Satoshi Mitsugi, Eiichi Kuramochi, and Masaya Notomi, "Ultrasmall multi-channel resonant-tunneling filter using mode gap of width-tuned photonic-crystal waveguide," Opt. Express 13, 4202-4209 (2005)

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  1. M. Notomi, A. Shinya, S. Mitsugi, E. Kuramochi, and H-Y. Ryu, �??Waveguides, resonators and their coupled elements in photonic crystal slabs,�?? Opt. Express 12, 1551-1561 (2004), <a href="http://www.opticsexpress.org/abstract.cfm?URI=OPEX-12-8-1551">http://www.opticsexpress.org/abstract.cfm?URI=OPEX-12-8-1551</a> [CrossRef] [PubMed]
  2. S. Mitsugi, A. Shinya, E. Kuramochi, M. Notomi, T. Tsuchizawa, and T. Watanabe,�?? Resonant tunneling wavelength filters with high Q and high transmittance based on photonic crystal slabs,�?? in Proceedings of 16th Annual Meeting of IEEE LEOS (Institute of Electronics Engineers, New York, 2003), 214-215.
  3. G-H Kim, Y-H Lee, A. Shinya, and M. Notomi, �??Coupling of small, low-loss hexapole mode with photonic crystal slab waveguide mode,�?? Opt. Express 26, 6624-6631 (2004), <a href="http://www.opticsexpress.org/abstract.cfm?URI=OPEX-12-26-6624">http://www.opticsexpress.org/abstract.cfm?URI=OPEX-12-26-6624</a> [CrossRef]
  4. S. Fan, P. R. Villeneuve, J. D. Joannopoulos, �??Channel drop tunneling through localized states,�?? Phys. Rev. Lett. 80, 960-963 (1998). [CrossRef]
  5. B. S. Song, S. Noda, and T. Asano, �??Photonic devices based on In-plane hetero photonic crystals,�?? Science 300, 1537 (2003). [CrossRef] [PubMed]
  6. S. Noda, B. S. Song, Y. Akahane, and T. Asano, �??In-plane hetero photonic crystals,�?? in technical digest of inter national symposium of photonic and electromagnetic crystal structure V (Kyoto, Japan, 2004), p. 87
  7. H. Takano, Y. Akahane, T. Asano, and S. Noda, �??In-plane-type channel drop filter in a two-dimensional photonic crystal slab,�?? Appl. Phys. Lett. 84, 2226-2228 (2004). [CrossRef]
  8. M. Notomi, A. Shinya, S. Mitsugi, G. Kira, E. Kuramochi, and T. Tanabe, �??Optical bistable switching action of Si high-Q photonic-crystal nanocavities,�?? Opt. Express 13, 2678-2687 (2005), <a href="http://www.opticsexpress.org/abstract.cfm?URI=OPEX-13-7-2678">http://www.opticsexpress.org/abstract.cfm?URI=OPEX-13-7-2678</a> [CrossRef] [PubMed]
  9. M. F. Yanik, S. Fan, and M. Soljacic, �??High-contrast all-optical bistable switching in photonic crystal microcavities,�?? Appl. Phys. Lett. 83, 2739-2741 (2003). [CrossRef]
  10. C. Manolatou, M. J. Khan, S. Fan, P. R. Villeneuve, H. A. Haus, and J. D. Joannopoulos, �??Coupling of modes analysis of resonant channel add-drop filters,�?? IEEE J. Quantum Electron. 35, 1322-1331 (1999). [CrossRef]
  11. A. Shinya, M. Notomi, and E. Kuramochi, �??Single-mode transmission in commensurate width-varied line-defect SOI photonic crystal waveguides,�?? in Photonic Crystal Materials and Devices, A. Alibi and A. Scherer and S. Y. Lin, eds., Proc. SPIE 5000, 125-135 (2003). [CrossRef]
  12. M. Notomi, A. Shinya, K. Yamada, J. Takahashi, C. Takahashi, and I. Yokohama, �??Structural tuning of guiding modes of line-defect waveguides of SOI photonic crystal slabs,�?? IEEE J. Quantum Electron. 38, 736-742 (2002). [CrossRef]
  13. B.S. Song, T. Asano, Y Akahane, Y Tanaka, and S. Noda, �??Transmission and reflection characteristics of in-plane hetero-photonic crystals,�?? Appl. Phys. Lett. 85, 4591-4593 (2004) [CrossRef]

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