Photon energy entanglement characterization by electronic transition interference

Alex Hayat, Pavel Ginzburg, Meir Orenstein

Research output: Contribution to journalArticlepeer-review


We propose photon energy qubits and schemes for photon energy entanglement characterization. Bell inequality violation for energy qubits and complete Bell state analysis are demonstrated theoretically. Photon energy superposition state detection is performed by a two-photon absorption interferometer based on electron transition path interference. The scheme can be realized at room-temperature by two-level systems and semiconductor devices.

Original languageEnglish
Pages (from-to)21280-21288
Number of pages9
JournalOptics Express
Issue number23
StatePublished - 2009
Externally publishedYes


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