One-Way Quantum Computation Using a Quantum Nondemolition Entangling Gate
Yoshichika Miwa, Jun–ichi Yoshikawa, Peter van Loock, Akira Furusawa · 2009
We demonstrate a Û = exp ( i κ x ^ 2 ) gate as an example of one-way quantum computation. The coefficient κ is controlled via the local oscillator phase of a homodyne measurement. The squeezing below the shot noise limit is observed.