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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 15, Iss. 20 — Oct. 1, 2007
  • pp: 12595–12604

Self-assembled hollow waveguides with hybrid metal-dielectric Bragg claddings

N. Ponnampalam and R.G. DeCorby  »View Author Affiliations


Optics Express, Vol. 15, Issue 20, pp. 12595-12604 (2007)
http://dx.doi.org/10.1364/OE.15.012595


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Abstract

We report on the fabrication and characterization of integrated hollow waveguides cladded by gold-terminated, omnidirectional Bragg reflectors. The hollow waveguide channels were realized by the controlled formation of straight-sided delamination buckles within a multilayer thin film stack. An optimized process produced low-defect, straight-sided buckles with base widths from 10 to 80 μm, and corresponding peak core heights from ~0.7 to ~4 μm, on a single sample. The waveguides described have upper and lower cladding mirrors of 4 and 5.5 periods, respectively. Gold termination of the cladding reflectors significantly reduces the propagation loss of air-guided modes. The minimum propagation loss is less than 4 dB/cm in the near infrared, corresponding to upper and lower cladding reflectance of ~ 0.999. The main details of the guiding mechanism are well approximated by a simple ray-optics model.

© 2007 Optical Society of America

OCIS Codes
(130.3120) Integrated optics : Integrated optics devices
(160.2750) Materials : Glass and other amorphous materials
(230.4170) Optical devices : Multilayers

ToC Category:
Integrated Optics

History
Original Manuscript: July 27, 2007
Revised Manuscript: September 12, 2007
Manuscript Accepted: September 12, 2007
Published: September 17, 2007

Citation
N. Ponnampalam and R. G. DeCorby, "Self-assembled hollow waveguides with hybrid metal-dielectric Bragg claddings," Opt. Express 15, 12595-12604 (2007)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-15-20-12595


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