Abstract
An experiment has been carried out in which two pairs of light beams produced by down conversion in two nonlinear crystals driven by a common pump were mixed by two beam splitters, and the coincidence rate for simultaneous detections of mixed signal and idler photons was measured. It is found that the down-converted light carries information about the phase of the pump field through the entanglement of the down-converted photons with the vacuum. © 1990 The American Physical Society.
| Original language | English |
|---|---|
| Pages (from-to) | 566-568 |
| Journal | Physical Review A |
| Volume | 41 |
| Issue number | 1 |
| DOIs | |
| Publication status | Published - 1990 |
| Externally published | Yes |
Bibliographical note
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