We present theoretical and experimental results on spatial quantum correlations induced by multiple scattering of nonclassical light. A continuous-mode quantum theory is derived that enables determining the spatial quantum correlation function from the fluctuations of the total transmittance and reflectance. Utilizing frequency-resolved quantum noise measurements, we observe that the strength of the spatial quantum correlation function can be controlled by changing the quantum state of an incident bright squeezed-light source. Our results are found to be in excellent agreement with the developed theory and form a basis for future research on, e. g., quantum interference of multiple quantum states in a multiple scattering medium.
Bibliographical note©2012 American Physical Society
Smolka, S., Ott, J. R., Huck, A., Andersen, U. L., & Lodahl, P. (2012). Continuous-wave spatial quantum correlations of light induced by multiple scattering. Physical Review A, 86(3), 033814. https://doi.org/10.1103/PhysRevA.86.033814