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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Editor: Joseph N. Mait
  • Vol. 48, Iss. 36 — Dec. 20, 2009
  • pp: 6923–6927

Photonic not and nor gates based on a single compact photonic crystal ring resonator

Jibo Bai, Junqin Wang, Junzhen Jiang, Xiyao Chen, Hui Li, Yishen Qiu, and Zexuan Qiang  »View Author Affiliations


Applied Optics, Vol. 48, Issue 36, pp. 6923-6927 (2009)
http://dx.doi.org/10.1364/AO.48.006923


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Abstract

New all-optical not and nor logic gates based on a single ultracompact photonic crystal ring resonator (PCRR) have been proposed. The PCRR was formed by removing the line defect along the Γ M direction instead of the conventional Γ X direction in a square-pattern cylindrical silicon-rod photonic crystal structure. The behavior of the proposed logic gates is qualitatively analyzed with the theory of beam interference and then numerically investigated by use of the two-dimensional finite-difference time-domain method. No nonlinear material is required with less than a 2.2 μm effective ring radius. The wavelengths of the input signal and the probe signal are the same. This new device can potentially be used in on-chip photonic logic-integrated circuits.

© 2009 Optical Society of America

OCIS Codes
(130.3750) Integrated optics : Optical logic devices
(140.4780) Lasers and laser optics : Optical resonators
(230.1150) Optical devices : All-optical devices
(230.5298) Optical devices : Photonic crystals

ToC Category:
Optical Devices

History
Original Manuscript: August 10, 2009
Revised Manuscript: October 26, 2009
Manuscript Accepted: November 9, 2009
Published: December 10, 2009

Citation
Jibo Bai, Junqin Wang, Junzhen Jiang, Xiyao Chen, Hui Li, Yishen Qiu, and Zexuan Qiang, "Photonic not and nor gates based on a single compact photonic crystal ring resonator," Appl. Opt. 48, 6923-6927 (2009)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-48-36-6923

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Supplementary Material


» Media 1: MOV (503 KB)     
» Media 2: MOV (571 KB)     
» Media 3: MOV (523 KB)     

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