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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 15, Iss. 13 — Jun. 25, 2007
  • pp: 8472–8478

InP-based compact photonic crystal directional coupler with large operation range

Patric Strasser, Ralf Flückiger, Robert Wüest, Franck Robin, and Heinz Jäckel  »View Author Affiliations


Optics Express, Vol. 15, Issue 13, pp. 8472-8478 (2007)
http://dx.doi.org/10.1364/OE.15.008472


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Abstract

We present the design, fabrication and measurement of photonic crystal directional couplers in the InP/InGaAsP/InP material system. A comprehensive analysis of the dependence of the coupling length and usable wave-length range on the diameter of the holes next to the waveguides is given. The possibility to trade-off coupling length against usable wavelength range is shown. Designs with coupling lengths as low as 52 lattice constants and with an operation range covering 16% of the bandgap width are fabricated and measured. Good agreement between optimized and measured devices is achieved.

© 2007 Optical Society of America

OCIS Codes
(130.3120) Integrated optics : Integrated optics devices
(230.3120) Optical devices : Integrated optics devices

ToC Category:
Integrated Optics

History
Original Manuscript: May 16, 2007
Revised Manuscript: June 11, 2007
Manuscript Accepted: June 11, 2007
Published: June 22, 2007

Citation
Patric Strasser, Ralf Flückiger, Robert Wüest, Franck Robin, and Heinz Jäckel, "InP-based compact photonic crystal directional coupler with large operation range," Opt. Express 15, 8472-8478 (2007)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-15-13-8472


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