238 citations · 451 across the 6 of their papers we have counts for
6 papers
Optical Hybrid Quantum Information Processing
Shuntaro Takeda, Akira Furusawa
Historically, two complementary approaches to optical quantum information processing have been pursued: qubits and continuous-variables, each exploiting either particle or wave nat…
Equilibrium to nonequilibrium condensation in driven-dissipative semiconductor systems
Makoto Yamaguchi, Tetsuo Ogawa
Semiconductor microcavity systems strongly coupled to quantum wells are now receiving a great deal of attention because of their ability to efficiently generate coherent light by t…
Continuous-variable quantum information processing with squeezed states of light
Hidehiro Yonezawa, Akira Furusawa
We investigate experiments of continuous-variable quantum information processing based on the teleportation scheme. Quantum teleportation, which is realized by a two-mode squeezed…
Experimental generation of four-mode continuous-variable cluster states
Mitsuyoshi Yukawa, Ryuji Ukai, Peter van Loock +1
Continuous-variable Gaussian cluster states are a potential resource for universal quantum computation. They can be efficiently and unconditionally built from sources of squeezed l…
Experimental Demonstration of Macroscopic Quantum Coherence in Gaussian States
Christoph Marquardt, Ulrik L. Andersen, Gerd Leuchs +4
We witness experimentally the presence of macroscopic coherence in Gaussian quantum states using a recently proposed criterion (E.G. Cavalcanti and M. Reid, Phys. Rev. Lett. 97, 17…
7 dB quadrature squeezing at 860 nm with periodically-poled KTiOPO4
Shigenari Suzuki, Hidehiro Yonezawa, Fumihiko Kannari +2
We observed -7.2 dB quadrature squeezing at 860 nm by using a sub-threshold continuous-wave pumped optical parametric oscillator with a periodically-poled KTiOPO4 crystal as a nonl…