TY - GEN
T1 - Weak value measurement with an incoherent measuring device
AU - Cho, Young Wook
AU - Lim, Hyang Tag
AU - Ra, Young Sik
AU - Kim, Yoon Ho
PY - 2010
Y1 - 2010
N2 - In the Aharonov-Albert-Vaidman (AAV) weak measurement, it is assumed that the measuring device or the pointer is in a quantum mechanical pure state. In reality, however, it is often not the case. In this paper, we generalize the AAV weak measurement scheme to include more generalized situations in which the measuring device is in a mixed state. We also report an optical implementation of the weak value measurement in which the incoherent pointer is realized with the pseudo-thermal light. The theoretical and experimental results show that the measuring device under the influence of partial decoherence could still be used for amplified detection of minute physical changes and are applicable for implementing the weak value measurement for massive particles.
AB - In the Aharonov-Albert-Vaidman (AAV) weak measurement, it is assumed that the measuring device or the pointer is in a quantum mechanical pure state. In reality, however, it is often not the case. In this paper, we generalize the AAV weak measurement scheme to include more generalized situations in which the measuring device is in a mixed state. We also report an optical implementation of the weak value measurement in which the incoherent pointer is realized with the pseudo-thermal light. The theoretical and experimental results show that the measuring device under the influence of partial decoherence could still be used for amplified detection of minute physical changes and are applicable for implementing the weak value measurement for massive particles.
UR - http://www.scopus.com/inward/record.url?scp=77957549565&partnerID=8YFLogxK
UR - http://www.scopus.com/inward/citedby.url?scp=77957549565&partnerID=8YFLogxK
M3 - Conference contribution
AN - SCOPUS:77957549565
SN - 9781557528902
T3 - Lasers and Electro-Optics/Quantum Electronics and Laser Science Conference: 2010 Laser Science to Photonic Applications, CLEO/QELS 2010
BT - Lasers and Electro-Optics/Quantum Electronics and Laser Science Conference
T2 - Lasers and Electro-Optics/Quantum Electronics and Laser Science Conference: 2010 Laser Science to Photonic Applications, CLEO/QELS 2010
Y2 - 16 May 2010 through 21 May 2010
ER -