Loading...
Loading...

Go to the content (press return)

Quantum spiral bandwidth of entangled two-photon states

Author
Juan P. Torres; Alexandrescu, A.; Torner, L.
Type of activity
Journal article
Journal
Physical review A
Date of publication
2003-11
Volume
68
Number
5
First page
50301
Last page
50304
DOI
https://doi.org/10.1103/PhysRevA.68.050301 Open in new window
Repository
http://hdl.handle.net/2117/99373 Open in new window
URL
http://journals.aps.org/pra/abstract/10.1103/PhysRevA.68.050301 Open in new window
Abstract
We put forward the concept of quantum spiral bandwidth of the spatial mode function of the two-photon entangled state generated in spontaneous parametric down-conversion. We obtain the bandwidth using the eigenstates of the orbital angular momentum of the biphoton states, and reveal its dependence with the length of the down-converting crystals and waist of the pump beam. The connection between the quantum spiral bandwidth and the entropy of entanglement of the quantum state is discussed.
Citation
Juan P. Torres, Alexandrescu, A., Torner, L. Quantum spiral bandwidth of entangled two-photon states. "Physical review A", Novembre 2003, vol. 68, núm. 5, p. 50301-50304.
Group of research
FOTONICA - Photonics Research Group

Participants