Quantum interferometer with two-mode squeezed vacuum: Ŝz 2 measurement
Zhang Yuan-Ming (张渊明), Li Xin-Wei (李昕伟), Jin Guang-Ri (金光日)
Chin. Phys. B . 2013, (11): 114206 -114206 .  DOI: 10.1088/1674-1056/22/11/114206