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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Editor: James C. Wyant
  • Vol. 47, Iss. 25 — Sep. 1, 2008
  • pp: 4540–4547

Large-core single-mode rib SU8 waveguide using solvent-assisted microcontact molding

Cheng-Sheng Huang and Wei-Chih Wang  »View Author Affiliations


Applied Optics, Vol. 47, Issue 25, pp. 4540-4547 (2008)
http://dx.doi.org/10.1364/AO.47.004540


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Abstract

This paper describes a novel fabrication technique for constructing a polymer-based large-core single-mode rib waveguide. A negative tone SU8 photoresist with a high optical transmission over a large wave length range and stable mechanical properties was used as a waveguide material. A waveguide was constructed by using a polydimethylsiloxane stamp combined with a solvent-assisted microcontact molding technique. The effects on the final pattern’s geometry of four different process conditions were investigated. Optical simulations were performed using beam propagation method software. Single-mode beam propagation was observed at the output of the simulated waveguide as well as the actual waveguide through the microscope image.

© 2008 Optical Society of America

OCIS Codes
(050.2770) Diffraction and gratings : Gratings
(160.5470) Materials : Polymers
(220.4000) Optical design and fabrication : Microstructure fabrication
(230.1480) Optical devices : Bragg reflectors
(130.7408) Integrated optics : Wavelength filtering devices
(130.5460) Integrated optics : Polymer waveguides

ToC Category:
Optical Design and Fabrication

History
Original Manuscript: November 30, 2007
Revised Manuscript: May 22, 2008
Manuscript Accepted: July 24, 2008
Published: August 26, 2008

Citation
Cheng-Sheng Huang and Wei-Chih Wang, "Large-core single-mode rib SU8 waveguide using solvent-assisted microcontact molding," Appl. Opt. 47, 4540-4547 (2008)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-47-25-4540

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