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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 15, Iss. 2 — Jan. 22, 2007
  • pp: 669–679

Transition, radiation and propagation loss in polymer multimode waveguide bends

Ioannis Papakonstantinou, Kai Wang, David R. Selviah, and F. Aníbal Fernández  »View Author Affiliations


Optics Express, Vol. 15, Issue 2, pp. 669-679 (2007)
http://dx.doi.org/10.1364/OE.15.000669


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Abstract

Design curves for insertion loss of multimode polymer waveguide 90° bends are reported as a function of bend radius for several waveguide widths. For the first time, to our knowledge, in multimode rectangular waveguides the insertion loss is resolved into its components of transition, radiation and propagation loss, in order of decreasing strength, separating them from input and output coupling loss by calibration and comparison of experimentally measured and beam propagation method (BPM) modeled curves. We used the method of nested bends for the first time in multimode polymer waveguides to calculate the propagation loss on a small substrate without using destructive cut-back. The lowest loss of 0.74 dB occurred for a 50 μm square cross section, Δn=0.0296, 13.5 mm radius waveguide bend.

© 2007 Optical Society of America

OCIS Codes
(230.0250) Optical devices : Optoelectronics
(230.7380) Optical devices : Waveguides, channeled
(250.5460) Optoelectronics : Polymer waveguides

ToC Category:
Optoelectronics

History
Original Manuscript: October 2, 2006
Revised Manuscript: December 6, 2006
Manuscript Accepted: December 7, 2006
Published: January 22, 2007

Citation
Ioannis Papakonstantinou, Kai Wang, David R. Selviah, and F. Aníbal Fernández, "Transition, radiation and propagation loss in polymer multimode waveguide bends," Opt. Express 15, 669-679 (2007)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-15-2-669


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