Optical characterization of silicon-on-insulator–based single and coupled racetrack resonators

Mancinelli, Mattia; Guider, Romain; Bettotti, Paolo; Masi, Marco; Vanacharla, Manga Rao; Fedeli, Jean-Marc; Van Thourhout, Dries; Pavesi, Lorenzo

doi:doi:10.1117/1.3596700

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Journal of Nanophotonics / Volume 5 / Special Section on Nanoengineering: Fabrication, Properties, Optics, and Devices

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Optical characterization of silicon-on-insulator–based single and coupled racetrack resonators

J. Nanophoton. 5, 051705 (Jun 27, 2011); http://dx.doi.org/10.1117/1.3596700

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Abstract

References (22)

Mattia Mancinelli, Romain Guider, Paolo Bettotti, Marco Masi, Manga Rao Vanacharla, and Lorenzo Pavesi

University of Trento, Nanoscience Laboratory, Department of Physics, Via Sommarive 14, 38123 Povo, Trento, Italy

Jean-Marc Fedeli

Commissariat à l'Energie Atomique et aux Energies Alternatives, Leti, Minatec, 17 rue des Martyrs, 38054 Grenoble Cedex 9, France

Dries Van Thourhout

Ghent University-IMEC, Department of Information Technolgy (INTEC), Photonics Research Group, St-Pietersnieuwstraat 41, 9000 Gent, Belgium

Silicon photonics is the emerging optical interconnect technology where integrated nanophotonic components allow reaching high device density and improved optical functionalities. One key component is the optical microresonator. A particular kind of microresonator is the racetrack resonator where straight waveguide sections are used to achieve a large value of the coupling coefficient with a bus waveguide for any light polarization state. It is our aim to study the performances of racetrack resonators fabricated on silicon on insulator via CMOS processing. We experimentally investigated different multiple resonator designs where box-shaped filter characteristic, Vernier effect, and coupled resonator induced transparency effects are obtained. We demonstrate that racetrack resonators are instrumental to several different functions in nanophotonics and that the actual lithographic process is fully capable of building these structures.

History

Received Oct 18, 2010
Accepted May 11, 2011
Revised Apr 15, 2011
Published online Jun 27, 2011

Digital Object Identifier

http://dx.doi.org/10.1117/1.3596700

Citation

Mattia Mancinelli, Romain Guider, Paolo Bettotti, Marco Masi, Manga Rao Vanacharla, Jean-Marc Fedeli, Dries Van Thourhout and Lorenzo Pavesi, "Optical characterization of silicon-on-insulator–based single and coupled racetrack resonators", J. Nanophoton. 5, 051705 (Jun 27, 2011); http://dx.doi.org/10.1117/1.3596700