Long-range coupling of silicon photonic waveguides using lateral leakage and adiabatic passage

Hope, A, Nguyen, G, Greentree, A and Mitchell, A 2013, 'Long-range coupling of silicon photonic waveguides using lateral leakage and adiabatic passage', Optics Express, vol. 21, no. 19, pp. 22705-22716.


Document type: Journal Article
Collection: Journal Articles

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Title Long-range coupling of silicon photonic waveguides using lateral leakage and adiabatic passage
Author(s) Hope, A
Nguyen, G
Greentree, A
Mitchell, A
Year 2013
Journal name Optics Express
Volume number 21
Issue number 19
Start page 22705
End page 22716
Total pages 12
Publisher Optical Society of America
Abstract We present a new approach to long range coupling based on a combination of adiabatic passage and lateral leakage in thin shallow ridge waveguides on a silicon photonic platform. The approach enables transport of light between two isolated waveguides through a mode of the silicon slab that acts as an optical bus. Due to the nature of the adiabatic protocol, the bus mode has minimal population and the transport is highly robust. We prove the concept and examine the robustness of this approach using rigorous modelling. We further demonstrate the utility of the approach by coupling power between two waveguides whilst bypassing an intermediate waveguide. This concept could form the basis of a new interconnect technology for silicon integrated photonic chips.
Subject Photonics, Optoelectronics and Optical Communications
Quantum Information, Computation and Communication
Keyword(s) Integrated optics devices
(130.2790) Guided waves
(230.7390) Waveguides
planar.
DOI - identifier 10.1364/OE.21.022705
Copyright notice © 2013 Optical Society of America
ISSN 1094-4087
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