1201.6537 (Damien Bonneau et al.)

Quantum interference and manipulation of entanglement in silicon wire
waveguide quantum circuits    [PDF]

Damien Bonneau, Erman Engin, Kazuya Ohira, Nob Suzuki, Haruhiko Yoshida, Norio Iizuka, Mizunori Ezaki, Chandra M. Natarajan, Michael G. Tanner, Robert H. Hadfield, Sanders N. Dorenbos, Val Zwiller, Jeremy L. O'Brien, Mark G. Thompson

Integrated quantum photonic waveguide circuits are a promising approach to
realizing future photonic quantum technologies. Here, we present an integrated
photonic quantum technology platform utilising the silicon-on-insulator
material system, where quantum interference and the manipulation of quantum
states of light are demonstrated in components orders of magnitude smaller than
in previous implementations. Two-photon quantum interference is presented in a
multi-mode interference coupler, and manipulation of entanglement is
demonstrated in a Mach-Zehnder interferometer, opening the way to an
all-silicon photonic quantum technology platform.

View original: http://arxiv.org/abs/1201.6537