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

被引：0
作者：
Fuhrmann, D. A. [1 ,2 ]
Kim, H. [2 ,3 ]
Thon, S. M. [3 ]
Jambreck, J. [1 ]
Ebbecke, J. [1 ,4 ]
Bouwmeester, D. [3 ,5 ]
Petroff, P. M. [2 ,6 ]
Wixforth, A. [1 ]
Krenner, H. J. [1 ]
机构：
[1] Univ Augsburg, Inst Phys, Lehrstuhl Expt Phys 1, Univ Str 1, D-86159 Augsburg, Germany
[2] Univ Calif Santa Barbara, Dept Mat, Santa Barbara, CA 93106 USA
[3] Univ Calif Santa Barbara, Dept Phys, Santa Barbara, CA 93106 USA
[4] Univ Southern Denmark, NanoSYD, D-6400 Sonderborg, Denmark
[5] Leiden Univ, Huygens Lab, NL-2300 RA Leiden, Netherlands
[6] Univ Calif Santa Barbara, Dept Elect & Comp Engn, Santa Barbara, CA 93106 USA
来源：
PHOTONIC AND PHONONIC CRYSTAL MATERIALS AND DEVICES X | 2010年 / 7609卷
关键词：
Photonic Crystal Membrane; Surface Acoustic Waves; Nanocavities; Spectral Tuning; SINGLE QUANTUM-DOT; MODULATION;
D O I：
10.1117/12.842710
中图分类号：
O7 [晶体学];
学科分类号：
0702 ; 070205 ; 0703 ; 080501 ;
摘要：
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 Delta lambda > 2 nm accompanied by only a weak < 0.5x reduction of the Q-factor. Initial experiments for a SAW wavelength of similar to 1.8 mu m show a pronounced broadening of the time-integrated cavity emission line corresponding to a shift of >= 1 nm.
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页数：9
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