Nondeterministic amplifier for two-photon superpositions
Jeffers, John (2010) Nondeterministic amplifier for two-photon superpositions. Physical Review A, 82 (6). 063828. ISSN 1094-1622
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We examine heralded nondeterministic noiseless amplification based on the quantum scissors device, which has been shown to increase the one-photon amplitude of a state at the expense of the vacuum-state amplitude. Here we propose using the same basic design to perform perfect amplification in a basis set of up to two photons. The device is much more efficient than several one-photon amplifiers working in tandem. When used to amplify coherent states this advantage is shown either using fidelity or in terms of probability of successful action, or more strikingly in a combination of the two.
| Creators(s): |
Jeffers, John  ORCID: https://orcid.org/0000-0002-8573-1675;
| Item type: | Article |
|---|---|
| ID code: | 30219 |
| Keywords: | optical-state truncation, quantum optics, differentiate, teleportation, noise, quantum scissors device, Physics, Atomic and Molecular Physics, and Optics |
| Subjects: | Science > Physics |
| Department: | Faculty of Science > Physics |
| Depositing user: | Pure Administrator |
| Date deposited: | 17 Apr 2011 04:10 |
| Last modified: | 01 Jun 2020 00:13 |
| Related URLs: | |
| URI: | https://strathprints.strath.ac.uk/id/eprint/30219 |
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