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Multi-harmonic quantum dot optomechanics in fused LiNbO3–(Al)GaAs hybrids
- Source :
- Journal of Physics D: Applied Physics
- Publication Year :
- 2017
- Publisher :
- IOP Publishing, 2017.
-
Abstract
- We fabricated an acousto-optic semiconductor hybrid device for strong optomechanical coupling of individual quantum emitters and a surface acoustic wave. Our device comprises a surface acoustic wave chip made from highly piezoelectric LiNbO$_3$ and a GaAs-based semiconductor membrane with an embedded layer of quantum dots. Employing multi-harmonic transducers, we generated sound waves on LiNbO$_3$ over a wide range of radio frequencies. We monitored their coupling to and propagation across the semiconductor membrane both in the electrical and optical domain. We demonstrate enhanced optomechanical tuning of the embedded quantum dots with increasing frequencies. This effect was verified by finite element modelling of our device geometry and attributed to an increased localization of the acoustic field within the semiconductor membrane. For moderately high acoustic frequencies, our simulations predict strong optomechanical coupling making our hybrid device ideally suited for applications in semiconductor based quantum acoustics.<br />Comment: revised manuscript. unit conversion error fixed
- Subjects :
- Materials science
Acoustics and Ultrasonics
Physics::Optics
FOS: Physical sciences
Applied Physics (physics.app-ph)
02 engineering and technology
01 natural sciences
7. Clean energy
Mesoscale and Nanoscale Physics (cond-mat.mes-hall)
0103 physical sciences
010306 general physics
Optomechanics
Quantum Physics
Condensed Matter - Mesoscale and Nanoscale Physics
business.industry
Physics - Applied Physics
Condensed Matter::Mesoscopic Systems and Quantum Hall Effect
021001 nanoscience & nanotechnology
Condensed Matter Physics
Surfaces, Coatings and Films
Electronic, Optical and Magnetic Materials
Quantum dot
Harmonic
Optoelectronics
Quantum Physics (quant-ph)
0210 nano-technology
business
Physics - Optics
Optics (physics.optics)
Subjects
Details
- ISSN :
- 13616463 and 00223727
- Volume :
- 50
- Database :
- OpenAIRE
- Journal :
- Journal of Physics D: Applied Physics
- Accession number :
- edsair.doi.dedup.....7afafe9a37d78e36d1c444292fd219ad