Simultaneous Photon-Pair Generation and Quantum Walks in a Waveguide Array
Alexander S. Solntsev, Alex S. Clark, Frank Setzpfandt, Matthew J. Collins, Chi Xiong, A. Wu, Falk X. Eilenberger, Andreas W. Schreiber, Fabian Katzschmann, Roland Schiek, W. Sohler, Arnan Mitchell, Christine Silberhorn, B. J. Eggleton, Thomas Pertsch, Andrey A. Sukhorukov, Dragomir N. Neshev, Y. S. Kivshar · 2012
We demonstrate experimentally simultaneous photon-pair generation and quantum walks in a PPLN waveguide array where the output photon correlations can be controlled by varying the pump laser wavelength, switching from classical to quantum statistics.