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Optics Express

Optics Express

  • Editor: Michael Duncan
  • Vol. 13, Iss. 1 — Jan. 10, 2005
  • pp: 38–43

Photonic crystal directional couplers formed by InAlGaAs nano-rods

Chii-Chang Chen, Chih-Yu Chen, Wen-Kai Wang, Fan-Hsiu Huang, Cheng-Kuo Lin, Wei-Yu Chiu, and Yi-Jen Chan  »View Author Affiliations


Optics Express, Vol. 13, Issue 1, pp. 38-43 (2005)
http://dx.doi.org/10.1364/OPEX.13.000038


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Abstract

This study demonstrates the use of photonic crystal directional couplers to separate light of wavelengths 1.31 and 1.55µm. The photonic crystal structure consists of InAlGaAs nano-rods arranged in square lattice. The coupling length of the light in the directional coupler at a wavelength of 1.31µm was designed to be four times greater than that at 1.55µm. This behavior helps in designing devices to split the two wavelengths. The devices are fabricated by e-beam lithography and conventional photolithography. The measurement results confirm that 1.31µm/1.55µm directional couplers can be realized in PC structures formed by nano-rods.

© 2005 Optical Society of America

OCIS Codes
(130.3120) Integrated optics : Integrated optics devices
(230.7370) Optical devices : Waveguides
(250.5300) Optoelectronics : Photonic integrated circuits

ToC Category:
Research Papers

History
Original Manuscript: November 22, 2004
Revised Manuscript: December 17, 2004
Manuscript Accepted: December 19, 2004
Published: January 10, 2005

Citation
Chii-Chang Chen, Chih-Yu Chen, Wen-Kai Wang, Fan-Hsiu Huang, Cheng-Kuo Lin, Wei-Yu Chiu, and Yi-Jen Chan, "Photonic crystal directional couplers formed by InAlGaAs nano-rods," Opt. Express 13, 38-43 (2005)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-13-1-38


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