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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Editor: Joseph N. Mait
  • Vol. 51, Iss. 15 — May. 20, 2012
  • pp: 2917–2924

Optimized half-wave voltage and insertion loss in a strip-loaded waveguide electro-optic polymer modulator

Antonio A. Davis, Perry P. Yaney, and James G. Grote  »View Author Affiliations


Applied Optics, Vol. 51, Issue 15, pp. 2917-2924 (2012)
http://dx.doi.org/10.1364/AO.51.002917


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Abstract

A strip-loaded waveguide, electro-optic modulator was designed and analyzed in terms of single mode conditions, optical loss due to the metal electrodes, modulation efficiency, and mode size. Two designs were compared: Design 1 optimized the half-wave voltage (Vπ=1.1V) with a nearly symmetric waveguide by maximizing modulation efficiency and minimizing the overall thickness of the waveguide; Design 2 optimized the insertion loss by reducing coupling loss by 4.6 dB via a strongly asymmetric waveguide that maximizes the overall mode size to most efficiently overlap with a single mode fiber. Design 2 also has a favorable half-wave voltage (Vπ=1.75V). Some general guidelines in the selection of cladding layers in a detailed design of a poled-polymer electro-optic modulator incorporating a strip-loaded waveguide structure are suggested.

© 2012 Optical Society of America

OCIS Codes
(230.2090) Optical devices : Electro-optical devices
(230.7370) Optical devices : Waveguides
(250.5460) Optoelectronics : Polymer waveguides
(250.7360) Optoelectronics : Waveguide modulators

ToC Category:
Optical Devices

History
Original Manuscript: January 20, 2012
Revised Manuscript: March 9, 2012
Manuscript Accepted: March 11, 2012
Published: May 16, 2012

Citation
Antonio A. Davis, Perry P. Yaney, and James G. Grote, "Optimized half-wave voltage and insertion loss in a strip-loaded waveguide electro-optic polymer modulator," Appl. Opt. 51, 2917-2924 (2012)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-51-15-2917


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