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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Editor: Joseph N. Mait
  • Vol. 50, Iss. 3 — Jan. 20, 2011
  • pp: 242–245

Double S-bend structure for a compact two mode interference coupler

P. P. Sahu  »View Author Affiliations


Applied Optics, Vol. 50, Issue 3, pp. 242-245 (2011)
http://dx.doi.org/10.1364/AO.50.000242


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Abstract

A double S-bend structure has been proposed for the reduction of coupling length of the 2 × 2 two mode interference (TMI) coupler. The coupling characteristics of the proposed structure are compared with those of conventional TMI structures using a simple mathematical model based on sinusoidal modes. The longitudinal beat length for the proposed TMI coupler is reduced by 15% of the beat length of a conventional TMI coupler. The effect of power imbalance on fabrication tolerance of the proposed TMI coupler is also studied and compared with other TMI couplers.

© 2011 Optical Society of America

OCIS Codes
(060.2430) Fiber optics and optical communications : Fibers, single-mode
(060.5295) Fiber optics and optical communications : Photonic crystal fibers

ToC Category:
Integrated Optics

History
Original Manuscript: July 23, 2010
Manuscript Accepted: October 8, 2010
Published: January 12, 2011

Citation
P. P. Sahu, "Double S-bend structure for a compact two mode interference coupler," Appl. Opt. 50, 242-245 (2011)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-50-3-242

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