Abstract
We analyze the quantum measurement properties of dual non-degenerate parametric amplifers in the twin-beam configuration, in the cascaded back-action-evasion configuration, and in Kerr-type photon-number quantum non-demolition measurements. It is found that Einstein-Podolsky-Rosen correlations can be obtained between the quadrature components of an idler mode and the sum of the readout of two signal modes. Furthermore, we discuss dual-mode quantum non-demolition measurements on the combination of two light modes, and the generation of number-state entanglement.
Original language | English |
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Pages (from-to) | 235-241 |
Number of pages | 7 |
Journal | Applied Physics B: Lasers and Optics |
Volume | 64 |
Issue number | 2 |
DOIs | |
State | Published - Feb 1997 |
Externally published | Yes |