Squeezed Phonon Wave Packet Generation by Optical Manipulation of a Quantum Dot

In solid-state physics, the quantized lattice vibrations, i.e., the phonons, play a vital role. Phonons, much like photons, satisfy bosonic commutation relations, and therefore, various concepts well-known in quantum optics can be transferred to the emerging field of phononics. Examples are non-clas...

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Bibliographic Details
Published inPhotonics Vol. 2; no. 1; pp. 214 - 227
Main Authors Wigger, Daniel, Lüker, Sebastian, Axt, Vollrath, Reiter, Doris, Kuhn, Tilmann
Format Journal Article
LanguageEnglish
Published Basel MDPI AG 01.03.2015
Subjects
acoustic phonons
Commutation
Compressing
Continuous wave lasers
Excitation
Optics
Phonons
Photons
quantum optics
Qunatum dots
Solid state physics
squeezing
Wave packets
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ISSN2304-6732
2304-6732
DOI10.3390/photonics2010214

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Summary:In solid-state physics, the quantized lattice vibrations, i.e., the phonons, play a vital role. Phonons, much like photons, satisfy bosonic commutation relations, and therefore, various concepts well-known in quantum optics can be transferred to the emerging field of phononics. Examples are non-classical states and, in particular, squeezed states. We discuss the generation of phonon squeezing by optically exciting a quantum dot and show that by excitation with detuned continuous wave laser fields, sequences of squeezed phonon wave packets are created, which are emitted from the quantum dot region into the surrounding material.
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ISSN:2304-6732
2304-6732
DOI:10.3390/photonics2010214