Title :
One-way quantum computation using a quantum nondemolition entangling gate
Author :
Miwa, Yoshichika ; Yoshikawa, Jun-ichi ; Van Loock, Peter ; Furusawa, Akira
Author_Institution :
Dept. of Appl. Phys., Univ. of Tokyo, Tokyo, Japan
Abstract :
We demonstrate a Ucirc = exp(ikappaxcirc2) gate as an example of one-way quantum computation. The coefficient kappa is controlled via the local oscillator phase of a homodyne measurement. The squeezing below the shot noise limit is observed.
Keywords :
optical squeezing; quantum entanglement; quantum gates; shot noise; homodyne measurement; local oscillator phase; one-way quantum computation; optical squeezing; quantum nondemolition entangling gate; shot noise limit; Quantum computing; (270.5585) Quantum information and processing; (270.6570) Squeezed states;
Conference_Titel :
Lasers and Electro-Optics, 2009 and 2009 Conference on Quantum electronics and Laser Science Conference. CLEO/QELS 2009. Conference on
Conference_Location :
Baltimore, MD
Print_ISBN :
978-1-55752-869-8
Electronic_ISBN :
978-1-55752-869-8
