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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 18, Iss. 23 — Nov. 8, 2010
  • pp: 24245–24257

Beam splitting at the output of photonic crystal waveguides with discrete surface point defects

Qi Wang, Lanlan Zhang, and Qi Li  »View Author Affiliations


Optics Express, Vol. 18, Issue 23, pp. 24245-24257 (2010)
http://dx.doi.org/10.1364/OE.18.024245


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Abstract

With the method of adding two point defects on modulated surface, novel photonic crystal (PC) waveguide-based beam splitters were presented. The modulated surface layer supports surface states, and introduced discrete point defects can serve as discrete light emitters. The finite-difference time-domain (FDTD) simulations show that the number of beams is sensitive to the distance of two point defects. By adjusting the positions of the point defects, 1-to-N beam splitters can be realized. These simple, easy-to-fabricate and controllable structures have important potential applications in integrated optical circuits.

© 2010 OSA

OCIS Codes
(230.1360) Optical devices : Beam splitters
(240.6690) Optics at surfaces : Surface waves
(250.5300) Optoelectronics : Photonic integrated circuits
(230.5298) Optical devices : Photonic crystals

ToC Category:
Photonic Crystals

History
Original Manuscript: September 7, 2010
Revised Manuscript: October 14, 2010
Manuscript Accepted: October 24, 2010
Published: November 4, 2010

Citation
Qi Wang, Lanlan Zhang, and Qi Li, "Beam splitting at the output of photonic crystal waveguides with discrete surface point defects," Opt. Express 18, 24245-24257 (2010)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-18-23-24245


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