0305019v1

related topics
{photon, photons, single}
{light, field, probe}
{measurement, state, measurements}
{classical, space, random}
{bell, inequality, local}
{state, states, entangled}
{state, algorithm, problem}
{key, protocol, security}
{time, decoherence, evolution}
{cos, sin, state}
{time, systems, information}
{phase, path, phys}
{state, phys, rev}

Quantum measurement of the degree of polarization of a light beam

M. Legre, M. Wegmuller, N. Gisin

abstract: We demonstrate a coherent quantum measurement for the determination of the degree of polarization (DOP). This method allows to measure the DOP in the presence of fast polarization state fluctuations, difficult to achieve with the typically used polarimetric technique. A good precision of the DOP measurements is obtained using 8 type II nonlinear crystals assembled for spatial walk-off compensation.

oai_identifier:
oai:arXiv.org:quant-ph/0305019
categories:
quant-ph
comments:
4 pages, 3 figures
doi:
10.1103/PhysRevLett.91.167902
arxiv_id:
quant-ph/0305019
journal_ref:
Physical Review Letters Vol. 91, 167902 (2003)
created:
2003-05-05

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