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Photoexcited elastic waves in free-standing GaAs films
- Source :
- Physical Review B. 101
- Publication Year :
- 2020
- Publisher :
- American Physical Society (APS), 2020.
-
Abstract
- The ability to generate transversely propagating elastic waves on free-standing semiconductor films in the 10+ GHz frequency range is a critical element in the effort to achieve phonon-based coupling to on-chip electronic devices. The results of this joint experimental and theoretical study show that such phonons are created by the excitation of free-standing optically subwavelength thickness GaAs films with highly focused femtosecond optical pulses. With sufficiently high strain levels, this approach could become enabling for applications in nano-optomechanics.
- Subjects :
- Coupling
Range (particle radiation)
Materials science
business.industry
Phonon
Physics::Optics
02 engineering and technology
021001 nanoscience & nanotechnology
01 natural sciences
High strain
Condensed Matter::Materials Science
Semiconductor
0103 physical sciences
Femtosecond
Optoelectronics
Electronics
010306 general physics
0210 nano-technology
business
Excitation
Subjects
Details
- ISSN :
- 24699969 and 24699950
- Volume :
- 101
- Database :
- OpenAIRE
- Journal :
- Physical Review B
- Accession number :
- edsair.doi...........c6c3f3ad3acd64a99864e050180d925f