48 citations · 48 across the 4 of their papers we have counts for
Showing quant-phShow all
2 papers · 1 filter
quant-ph2024
On balanced homodyne measurement -- simple proof of wave function collapse
Erwin Brüning, Shigeaki Nagamachi
Using only elementary calculus we prove that the balanced homodyne detector measures the quadrature phase amplitude of a signal. More precisely, after the measurement of photon num…
quant-ph2011★ 48 cited
Parametrizations of density matrices
E. Brüning, H. Mäkelä, A. Messina +1
This article gives a brief overview of some recent progress in the characterization and parametrization of density matrices of finite dimensional systems. We discuss in some detail…