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.

引用

页数：9

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