Generation of Fourier-transform-limited heralded single photons
Journal Article
·
· Physical Review. A
- Division de Fisica Aplicada, Centro de Investigacion Cientifica y Educacion Superior de Ensenada (CICESE), Baja California, 22860 (Mexico)
- Photonics and Mathematical Optics Group, Tecnologico de Monterrey, Nuevo Leon, 64849 (Mexico)
In this paper we study the spectral (temporal) properties of heralded single photon wave packets, triggered by the detection of an idler photon in the process of parametric down conversion. The generated single photons are studied within the framework of the chronocyclic Wigner function, from which the single photon spectral width and temporal duration can be computed. We derive specific conditions on the two-photon joint spectral amplitude which result in both pure and Fourier-transform-limited heralded single photons. Likewise, we present specific source geometries which lead to the fulfillment of these conditions and show that one of these geometries leads, for a given pump bandwidth, to the temporally shortest possible heralded single photon wave packets.
- OSTI ID:
- 20982186
- Journal Information:
- Physical Review. A, Journal Name: Physical Review. A Journal Issue: 2 Vol. 75; ISSN 1050-2947; ISSN PLRAAN
- Country of Publication:
- United States
- Language:
- English
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