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Chinese Optics Letters

Chinese Optics Letters

| PUBLISHED MONTHLY BY CHINESE LASER PRESS AND DISTRIBUTED BY OSA

  • Vol. 10, Iss. 1 — Jan. 10, 2012
  • pp: 011301–

Optimization of T-shaped waveguide branches in two-dimensional photonic crystals

Lin Huang, Bing Chen, Yongdong Li, and Chunliang Liu  »View Author Affiliations


Chinese Optics Letters, Vol. 10, Issue 1, pp. 011301- (2012)


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Abstract

The interval and the radius of a pair of defect dielectric rods in waveguide channels near the branching region of a T-shaped waveguide branches are simultaneously varied, and their effects on the transmission properties are investigated using the finite-difference time-domain (FDTD) method. Numerical results show that there is an optimized region where the relative bandwidth of high-transmission (total transmittance >0.95) band of the branches is larger than 17%, which is higher than that of the existing same structures (11.60%) with fixed interval. These results provide for engineering application of simple T-shaped waveguide branches with high transmission.

© 2012 Chinese Optics Letters

OCIS Codes
(130.1750) Integrated optics : Components
(230.1360) Optical devices : Beam splitters
(230.7370) Optical devices : Waveguides
(250.5300) Optoelectronics : Photonic integrated circuits

Citation
Lin Huang, Bing Chen, Yongdong Li, and Chunliang Liu, "Optimization of T-shaped waveguide branches in two-dimensional photonic crystals," Chin. Opt. Lett. 10, 011301- (2012)
http://www.opticsinfobase.org/col/abstract.cfm?URI=col-10-1-011301

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