Title :
Demonstration of a measurement-based quantum nondemolition interaction
Author :
Yoshikawa, Jun-ichi ; Miwa, Yoshichika ; Huck, Alexander ; Andersen, Ulrik L. ; Van Loock, Peter ; Furusawa, Akira
Author_Institution :
Dept. of Appl. Phys., Tokyo Univ., Tokyo
Abstract :
We experimentally demonstrate a quantum nondemolition (QND) interaction, based upon offline-prepared, squeezed ancilla states and homodyne measurements with feedforward. The resulting QND gate is verified via the criteria for QND measurements of each conjugate quadrature.
Keywords :
feedforward; optical parametric oscillators; optical pumping; optical squeezing; quantum computing; conjugate quadrature; feedforward; homodyne measurements; offline prepared; quantum nondemolition interaction; squeezed ancilla states; Gain measurement; Motion measurement; Nonlinear optics; Optical amplifiers; Oscillators; Photonics; Physics; Probes; Semiconductor optical amplifiers; Stimulated emission; (190.4970) Parametric oscillators and amplifiers; (270.6570) Squeezed states;
Conference_Titel :
Lasers and Electro-Optics, 2008 and 2008 Conference on Quantum Electronics and Laser Science. CLEO/QELS 2008. Conference on
Conference_Location :
San Jose, CA
Print_ISBN :
978-1-55752-859-9
