Author Affiliations
Abstract
1 Shandong Provincial Key Laboratory of Laser Polarization and Information Technology, Department of Physics, Qufu Normal University, Qufu 273165, China
2 Department of Physics and Information Engineering, Jining University, Qufu 273155, China
We show how to optimally protect quantum states and freeze coherence under incoherent channels using a quantum weak measurement and quantum measurement reversal. In particular, we present explicit formulas for the conditions for freezing quantum coherence in a given quantum state.
270.1670 Coherent optical effects 270.2500 Fluctuations, relaxations, and noise Chinese Optics Letters
2017, 15(5): 052701
