How short can an adiabatic mode transformer be in a coupled waveguide system?

We derive the shortest length of adiabatic mode transformers which keep the power scattered into unwanted modes below a certain level. The theory is well supported by the numerical results from a transfer matrix method.

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Bibliographic Details
Main Authors: Xiankai Sun, Hsi-Chun Liu, Yariv, A.
Format: Conference Proceeding
Language:English
Subjects:
(130.2790) Guided waves
(130.3120) Integrated optics devices
Electrooptical waveguides
Integrated optics
Optical coupling
Optical devices
Optical refraction
Optical scattering
Optical variables control
Optical waveguides
Propagation constant
Resonance light scattering
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Description
Summary:We derive the shortest length of adiabatic mode transformers which keep the power scattered into unwanted modes below a certain level. The theory is well supported by the numerical results from a transfer matrix method.
ISSN:2160-9004
DOI:10.1364/cleo.2009.ctuc5