High-frequency tuning of photonic crystal defect cavity modes using surface acoustic waves

D. A. Fuhrmann; H. Kim; S. M. Thon; J. Jambreck; J. Ebbecke; D. Bouwmeester; P. M. Petroff; A. Wixforth; H. J. Krenner

doi:10.1117/12.842710

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23 February 2010 High-frequency tuning of photonic crystal defect cavity modes using surface acoustic waves

D. A. Fuhrmann, H. Kim, S. M. Thon, J. Jambreck, J. Ebbecke, D. Bouwmeester, P. M. Petroff, A. Wixforth, H. J. Krenner

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Proceedings Volume 7609, Photonic and Phononic Crystal Materials and Devices X; 760908 (2010) https://doi.org/10.1117/12.842710
Event: SPIE OPTO, 2010, San Francisco, California, United States

Abstract

We study the influence of the mechanical deformation induced by a surface acoustic wave (SAW) on the resonance frequency of a defect cavity in a 2D photonic crystal membrane. Using FDTD-simulations we determine the resonance frequency and quality factor of a nanocavity of a GaAs based structure with embedded InAs quantum dots. Under the influence of a SAW, we find a periodic modulation of the cavity resonance wavelength of Δλ >2 nm accompanied by only a weak < 0.5× reduction of the Q-factor. Initial experiments for a SAW wavelength of ~ 1.8μm show a pronounced broadening of the time-integrated cavity emission line corresponding to a shift of ≥ 1 nm.

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D. A. Fuhrmann, H. Kim, S. M. Thon, J. Jambreck, J. Ebbecke, D. Bouwmeester, P. M. Petroff, A. Wixforth, and H. J. Krenner "High-frequency tuning of photonic crystal defect cavity modes using surface acoustic waves", Proc. SPIE 7609, Photonic and Phononic Crystal Materials and Devices X, 760908 (23 February 2010); https://doi.org/10.1117/12.842710

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