Abstract
The fidelity of postselecting devices based on direct photon number detection can be significantly improved by insertion of a phase-insensitive optical amplifier in front of the detector. The scheme is simple, and the cost to the probability of obtaining the appropriate detector outcome is low.
| Original language | English |
|---|---|
| Article number | 114012 |
| Number of pages | 7 |
| Journal | Journal of Physics B: Atomic, Molecular and Optical Physics |
| Volume | 42 |
| Issue number | 11 |
| Early online date | 15 May 2009 |
| DOIs | |
| Publication status | Published - 14 Jun 2009 |
Keywords
- optical elements
- devices
- systems
- quantum communication
- quantum fluctuations
- quantum noise
- quantum jumps