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Quantum and classical correlations in waveguide lattices.
- Source :
-
Physical review letters [Phys Rev Lett] 2009 Jun 26; Vol. 102 (25), pp. 253904. Date of Electronic Publication: 2009 Jun 26. - Publication Year :
- 2009
-
Abstract
- We study quantum and classical Hanbury Brown-Twiss correlations in waveguide lattices. We develop a theory for the propagation of photon pairs in the lattice, predicting the emergence of nontrivial quantum interferences unique to lattice systems. Experimentally, we observe the classical counterpart of these interferences using intensity-correlation measurements. We discuss the correspondence between the classical and quantum correlations, and consider path-entangled input states which do not have a classical analogue. Our results demonstrate that waveguide lattices can be used as a robust and highly controllable tool for manipulating quantum states, and offer new ways of studying the quantum properties of light.
Details
- Language :
- English
- ISSN :
- 0031-9007
- Volume :
- 102
- Issue :
- 25
- Database :
- MEDLINE
- Journal :
- Physical review letters
- Publication Type :
- Academic Journal
- Accession number :
- 19659078
- Full Text :
- https://doi.org/10.1103/PhysRevLett.102.253904