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Journal of the Optical Society of Korea

Journal of the Optical Society of Korea

| PUBLISHED BY THE OPTICAL SOCIETY OF KOREA

  • Vol. 8, Iss. 4 — Dec. 25, 2004
  • pp: 149–155

Optical Power Transfer of Grating - Assisted Directional Coupler with Three - Guiding Channels : TM modes Case

Kwang-Chun Ho and Kwang-Soo Ho  »View Author Affiliations


Journal of the Optical Society of Korea, Vol. 8, Issue 4, pp. 149-155 (2004)


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Abstract

Newly developed modal transmission-line theory(MTLT) is used to analyze rigorously the optical power distribution in grating-assisted directional couplers(GADCs) with three guiding channels. By defining a novel coupling efficiency <TEX>${\eta}$</TEX> amenable to the rigorous analytical solutions of modal transmission-line theory, we explicitly evaluate the power coupling and distribution of TM modes. The results reveal that the incident power is sensitively partitioned through three output channels in terms of such grating parameters as the grating period, the duty cycle, and the operating wavelength.

© 2004 Optical Society of Korea

OCIS Codes
(050.2770) Diffraction and gratings : Gratings
(130.2790) Integrated optics : Guided waves
(230.1480) Optical devices : Bragg reflectors

History
Original Manuscript: January 14, 2004
Published: December 1, 2004

Citation
Kwang-Chun Ho and Kwang-Soo Ho, "Optical Power Transfer of Grating - Assisted Directional Coupler with Three - Guiding Channels : TM modes Case," J. Opt. Soc. Korea 8, 149-155 (2004)
http://www.opticsinfobase.org/josk/abstract.cfm?URI=josk-8-4-149


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