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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Editor: Joseph N. Mait
  • Vol. 48, Iss. 25 — Sep. 1, 2009
  • pp: F18–F23

Design and analysis of 2 × 2 half-wave waveguide couplers

Xufeng Lin, Dekun Liu, and Jian-Jun He  »View Author Affiliations


Applied Optics, Vol. 48, Issue 25, pp. F18-F23 (2009)
http://dx.doi.org/10.1364/AO.48.000F18


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Abstract

Conventional couplers including the 2 × 2 directional coupler and the self-imaging multimode interference coupler always produce a 90 ° coupling phase to yield complementary power transfer functions when the relative phase of the two input fields changes. For applications in coupled-cavity lasers, a 2 × 2 half-wave optical coupler with a 180 ° coupling phase is required in order to produce synchronous output power for achieving high single-mode selectivity. We present the designs and optimization of 2 × 2 half-wave couplers, including a three-waveguide directional coupler and a nonimaging multimode interference coupler.

© 2009 Optical Society of America

OCIS Codes
(060.4510) Fiber optics and optical communications : Optical communications
(130.3120) Integrated optics : Integrated optics devices

ToC Category:
Photonic Integration

History
Original Manuscript: January 26, 2009
Revised Manuscript: May 17, 2009
Manuscript Accepted: May 17, 2009
Published: June 2, 2009

Citation
Xufeng Lin, Dekun Liu, and Jian-Jun He, "Design and analysis of 2×2 half-wave waveguide couplers," Appl. Opt. 48, F18-F23 (2009)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-48-25-F18

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