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Journal of Nanophotonics

Optical characterization of silicon-on-insulator-based single and coupled racetrack resonators
Author(s): Mattia Mancinelli; Romain Guider; Paolo Bettotti; Marco Masi; Manga Rao Vanacharla; Jean-Marc Fédéli; Dries Van Thourhout; Lorenzo Pavesi
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Paper Abstract

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.

Paper Details

Date Published: 1 January 2011
PDF: 9 pages
J. Nanophoton. 5(1) 051705 doi: 10.1117/1.3596700
Published in: Journal of Nanophotonics Volume 5, Issue 1
Show Author Affiliations
Mattia Mancinelli, Univ. degli Studi di Trento (Italy)
Romain Guider, Univ. degli Studi di Trento (Italy)
Paolo Bettotti, Univ. degli Studi di Trento (Italy)
Marco Masi, Univ. degli Studi di Trento (Italy)
Manga Rao Vanacharla, Univ. degli Studi di Trento (Italy)
Jean-Marc Fédéli, Commissariat à l'Énergie Atomique (France)
Dries Van Thourhout, Univ. Gent (Belgium)
Lorenzo Pavesi, Univ. degli Studi di Trento (Italy)

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