3 citations · 3 across the 2 of their papers we have counts for
4 papers
Metrological power of incompatible measurements
Jeongwoo Jae, Jiwon Lee, Kwang-Geol Lee +2
We show that measurement incompatibility is a necessary resource to enhance the precision of quantum metrology. To utilize incompatible measurements, we propose a probabilistic met…
Necessary and sufficient condition for joint measurability
Jeongwoo Jae, Kyunghyun Baek, Junghee Ryu +1
In order to analyze joint measurability of given measurements, we introduce a Hermitian operator-valued measure, called -measure, such that it has marginals of positive operator…
Optical experiment to test negative probability in context of quantum-measurement selection
Junghee Ryu, Sunghyuk Hong, Joong-Sung Lee +6
Negative probability values have been widely employed as an indicator of the nonclassicality of quantum systems. Known as a quasiprobability distribution, they are regarded as a us…
Operational quasiprobabilities for continuous variables
Jeongwoo Jae, Junghee Ryu, Jinhyoung Lee
We generalize the operational quasiprobability involving sequential measurements proposed by Ryu {\em et al.} [Phys. Rev. A {\bf 88}, 052123] to a continuous-variable system. The q…