Hyperentanglement source by intersubband two-photon emission from semiconductor quantum wells

We propose an efficient hyperentanglement source emitting photon pairs entangled in both energy and polarization. The compact electrically driven room-temperature source, based on intersubband two-photon emission from semiconductor quantum wells (QWs) exhibits pair generation rates several orders of...

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Bibliographic Details
Published in:Optics letters 2008-06, Vol.33 (11), p.1168-1170
Main Authors: HAYAT, Alex, GINZBURG, Pavel, NEIMAN, David, ROSENBLUM, Serge, ORENSTEIN, Meir
Format: Article
Language:English
Subjects:
Classical and quantum physics: mechanics and fields
Exact sciences and technology
Fundamental areas of phenomenology (including applications)
Nonclassical field states
squeezed, antibunched and sub-poissonian states
operational definitions of the phase of the field
phase measurements
Optics
Physics
Quantum communication
Quantum information
Quantum optics
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Summary:We propose an efficient hyperentanglement source emitting photon pairs entangled in both energy and polarization. The compact electrically driven room-temperature source, based on intersubband two-photon emission from semiconductor quantum wells (QWs) exhibits pair generation rates several orders of magnitude higher than alternative conventional schemes. A theoretical formalism is derived for the calculation of photon pair generation spectra and rates. The results are presented for superlattice structures similar to quantum cascade lasers of GaAs/AlGaAs QWs emitting in the mid-IR and far-IR and for InN/AlN QW structures suitable for telecommunication wavelengths.
ISSN:0146-9592
1539-4794
DOI:10.1364/OL.33.001168