THREE-PARTY CONTROLLED QUANTUM TELEPORTATION WITH SIX-PHOTON ENTANGLED STATES VIA COLLECTIVE NOISE CHANNEL

摘要

Two three-party controlled quantum teleportation protocols using six-photon entangled states are proposed for circumventing collective noise. It can be performed in collective-dephasing noise or collective-rotation noise with unitary successful probability. Due to the symmetry of the quantum channel, each participant can act as a sender, a receiver or a controller. Moreover, it can be generalized to multiparty controlled teleportation protocols.