|
| related topics |
| {light, field, probe} |
| {photon, photons, single} |
| {wave, scattering, interference} |
| {state, states, coherent} |
| {phase, path, phys} |
| {classical, space, random} |
| {state, states, entangled} |
| {field, particle, equation} |
| {group, space, representation} |
| {temperature, thermal, energy} |
| {bell, inequality, local} |
|
Ghost Imaging: What is quantum, what is not
Baris I. Erkmen, Jeffrey H. Shapiro
abstract: We provide a unified treatment of classical and quantum Gaussian-state
sources that unambiguously identifies which features of ghost imaging are
strictly quantum mechanical. We show that ghost-image formation is
fundamentally classical, with the image being expressible in terms of the
phase-insensitive and phase-sensitive cross correlations between the detected
fields. We then consider ghost-imaging scenarios with either phase-insensitive
or phase-sensitive sources, where the former are always classical but the
latter may be classical or quantum mechanical. We show that if their
auto-correlations are identical, then a quantum source provides resolution
improvement in its near-field and field-of-view improvement in its far field
when compared to a classical source.
- oai_identifier:
- oai:arXiv.org:quant-ph/0612070
- categories:
- quant-ph
- comments:
- 4 pages, 2 figures
- arxiv_id:
- quant-ph/0612070
- created:
- 2006-12-10
Full article ▸
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