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

Alex Hayat*, Pavel Ginzburg, David Neiman, Serge Rosenblum, Meir Orenstein

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

16 Citations (Scopus)

Abstract

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. (C) 2008 Optical Society of America.

Original languageEnglish
Pages (from-to)1168-1170
Number of pages3
JournalOptics Letters
Volume33
Issue number11
DOIs
Publication statusPublished - 1 Jun 2008

Keywords

  • GENERATION
  • BAND
  • ENTANGLED PHOTON PAIRS
  • ABSORPTION
  • CASCADE LASER
  • FIBER

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