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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 37, Iss. 24 — Aug. 20, 1998
  • pp: 5672–5678

Accurate Numerical Analysis of Multimode-Interference-Based 3-dB Couplers

Muttukrishnan Rajarajan, B. M. Azizur Rahman, and Kenneth T. V. Grattan  »View Author Affiliations


Applied Optics, Vol. 37, Issue 24, pp. 5672-5678 (1998)
http://dx.doi.org/10.1364/AO.37.005672


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Abstract

The power coupling characteristics of a multimode-interference-based 3-dB coupler have been analyzed by using the vector finite-element and least-squares boundary residual methods. The numerical results obtained have been compared with published experimental data to show the accuracy and the versatility of these numerical schemes. The results predict that a full treatment of the two-dimensional cross section is of particular importance for the design and the simulation of effective waveguide devices to enable a study of their important optical properties such as polarization and fabrication tolerances.

© 1998 Optical Society of America

OCIS Codes
(060.1810) Fiber optics and optical communications : Buffers, couplers, routers, switches, and multiplexers
(130.0130) Integrated optics : Integrated optics
(260.3160) Physical optics : Interference
(260.5430) Physical optics : Polarization

Citation
Muttukrishnan Rajarajan, B. M. Azizur Rahman, and Kenneth T. V. Grattan, "Accurate Numerical Analysis of Multimode-Interference-Based 3-dB Couplers," Appl. Opt. 37, 5672-5678 (1998)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-37-24-5672


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