Modeling of optomechanical coupling in a phoxonic crystal cavity in diamond

A photonic and phononic crystal (phoxonic crystal PxC) is a periodically patterned material that can at the same time localize optical and mechanical modes. Here we theoretically model one-dimensional PxC in diamond and find high quality mechanical resonances with very high frequencies > 10 GHz a...

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Published inOptics express Vol. 22; no. 10; pp. 12410 - 12423
Main Authors Kipfstuhl, Laura, Guldner, Felix, Riedrich-Möller, Janine, Becher, Christoph
Format Journal Article
LanguageEnglish
Published United States 19.05.2014
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Summary:A photonic and phononic crystal (phoxonic crystal PxC) is a periodically patterned material that can at the same time localize optical and mechanical modes. Here we theoretically model one-dimensional PxC in diamond and find high quality mechanical resonances with very high frequencies > 10 GHz and optical properties comparable to those of PxC in other materials. The simultaneous confinement of photons and phonons leads to an optomechanical interaction that we calculate in a perturbation approach. The optomechanical coupling strengths reach values in the MHz range. We identify design rules to simultaneously achieve high optical and mechanical quality factors along with strong optomechanical coupling.
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ISSN:1094-4087
1094-4087
DOI:10.1364/oe.22.012410