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Optics Express

Optics Express

  • Editor: Michael Duncan
  • Vol. 13, Iss. 1 — Jan. 10, 2005
  • pp: 96–105

High-precision optical interference in Mach-Zehnder-type photonic crystal waveguide

Yoshimasa Sugimoto, Hitoshi Nakamura, Yu Tanaka, Naoki Ikeda, Kiyoshi Asakawa, and Kuon Inoue  »View Author Affiliations


Optics Express, Vol. 13, Issue 1, pp. 96-105 (2005)
http://dx.doi.org/10.1364/OPEX.13.000096


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Abstract

Excellent optical interference was experimentally demonstrated in the near infrared region using asymmetric Mach-Zehnder (MZ) type GaAs-based two-dimensional photonic crystal (2DPC) slab waveguides with directional couplers (DCs). As one of two MZ arm lengths changed in units of the lattice constant, the output intensities exhibited sinusoidal curves in excellent agreement with coupled-mode theory. In another experiment where the DCs were operated by two incident optical beams with externally controlled phase’s difference, a sinusoidal change was observed also in output intensities according to the theory of the DC. These results were obtained by virtue of excellent nano-fabrication of the 2DPC structures and pave the way to successful operation of a PC-based ultra-small symmetrical MZ (SMZ) all-optical switch.

© 2005 Optical Society of America

OCIS Codes
(230.3990) Optical devices : Micro-optical devices
(230.7400) Optical devices : Waveguides, slab
(250.5300) Optoelectronics : Photonic integrated circuits

ToC Category:
Research Papers

History
Original Manuscript: September 13, 2004
Revised Manuscript: December 20, 2004
Manuscript Accepted: December 21, 2004
Published: January 10, 2005

Citation
Yoshimasa Sugimoto, Hitoshi Nakamura, Yu Tanaka, Naoki Ikeda, Kiyoshi Asakawa, and Kuon Inoue, "High-precision optical interference in Mach-Zehnder-type photonic crystal waveguide," Opt. Express 13, 96-105 (2005)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-13-1-96


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References

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