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Proceedings Paper

Short polymer waveguide resonator with Bragg reflectors
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Paper Abstract

We designed a compact optical resonator with two distributed Bragg reflectors (DBR) embedded on single mode polymer ridge waveguide structure towards micro-scale polymer lasers. Single DBR is made up of alternating layers with λ/4 thickness of air and polymer. Numerical simulation of the device was carried out with 3D FDTD. We investigated the reflectance of single DBR as a function of order and number of periods and found a maximum of 97.8%, achieved for a TE mode with air cladding in material with low refractive index 1.54. Focused ion beam (FIB) lithography was used to open periodic air gaps on a 3 um wide ridge waveguide consisting of 1 um thick polymer layer doped with disperse red 1 (n=1.54) structure. Single DBR with five periods are optically characterized by observing the transmission through the device.

Paper Details

Date Published: 11 September 2007
PDF: 8 pages
Proc. SPIE 6645, Nanoengineering: Fabrication, Properties, Optics, and Devices IV, 66450H (11 September 2007); doi: 10.1117/12.734517
Show Author Affiliations
Tao Liu, Florida International Univ. (United States)
Magdalena Nawrocka, Florida International Univ. (United States)
Roberto Panepucci, Florida International Univ. (United States)

Published in SPIE Proceedings Vol. 6645:
Nanoengineering: Fabrication, Properties, Optics, and Devices IV
Elizabeth A. Dobisz; Louay A. Eldada, Editor(s)

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