0606151v2

related topics
{level, atom, field}
{wave, scattering, interference}
{photon, photons, single}
{light, field, probe}
{cos, sin, state}
{state, states, coherent}
{time, decoherence, evolution}
{observables, space, algebra}
{energy, state, states}
{classical, space, random}

Strong-field spatial interference in a tailored electromagnetic bath

M. Macovei, J. Evers, G. -x. Li, C. H. Keitel

abstract: Light scattered by a regular structure of atoms can exhibit interference signatures, similar to the classical double-slit. These first-order interferences, however, vanish for strong light intensities, restricting potential applications. Here, we show how to overcome these limitations to quantum interference in strong fields. First, we recover the first-order interference in strong fields via a tailored electromagnetic bath with a suitable frequency dependence. At strong driving, the optical properties for different spectral bands are distinct, thus extending the set of observables. We further show that for a two-photon detector as, e.g., in lithography, increasing the field intensity leads to twice the spatial resolution of the second-order interference pattern compared to the weak-field case.

oai_identifier:
oai:arXiv.org:quant-ph/0606151
categories:
quant-ph
comments:
final version
doi:
10.1103/PhysRevLett.98.043602
arxiv_id:
quant-ph/0606151
journal_ref:
Phys. Rev. Lett. 98, 043602 (2007)
created:
2006-06-19
updated:
2007-02-01

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