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quant-ph2023★ 1 cited
A Result About the Classification of Quantum Covariance Matrices Based on Their Eigenspectra
Arik Avagyan
The set of covariance matrices of a continuous-variable quantum system with a finite number of degrees of freedom is a strict subset of the set of real positive-definite matrices d…
quant-ph2023★ 1 cited
Quantum State Characterization Using Measurement Configurations Inspired by Homodyne Detection
Arik Avagyan
In the standard homodyne configuration, an unknown optical state is combined with a local oscillator (LO) on a beam splitter (BS). Good quadrature measurements require a high-ampli…