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Article Dans Une Revue Optics Express Année : 2010

Series-coupled silicon racetrack resonators and the Vernier effect: theory and measurement

Résumé

Silicon-on-insulator racetrack resonators can be used as multiplexers in wavelength division multiplexing applications. The free spectral range should be comparable to the span of the C-band so that a maximum number of channels can be multiplexed. However, the free spectral range is inversely proportional to the length of the resonator and, therefore, bending losses can become non-negligible. A viable alternative to increase the free spectral range is to use the Vernier effect. In this work, we present the theory of series-coupled racetrack resonators exhibiting the Vernier effect. We demonstrate the experimental performance of the device using silicon-on-insulator strip waveguides. The extended free spectral range is 36 nm and the interstitial peak suppression is from 9 dB to 17 dB.
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Dates et versions

hal-00545395 , version 1 (10-12-2010)

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  • HAL Id : hal-00545395 , version 1

Citer

R. Boeck, Nicolas Jaeger, Nicolas Clément, Jean-Paul Rouger, Lukas Chrostowski. Series-coupled silicon racetrack resonators and the Vernier effect: theory and measurement. Optics Express, 2010, 18, pp.25151-25157. ⟨hal-00545395⟩

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