Quantum cloning with an optical fiber amplifier |
| |
| Authors: | Fasel Sylvain Gisin Nicolas Ribordy Grégoire Scarani Valerio Zbinden Hugo |
| |
| Institution: | Group of Applied Physics, University of Geneva, 20, rue de l'Ecole-de-Médecine, Switzerland. |
| |
| Abstract: | It has been shown theoretically that a light amplifier working on the physical principle of stimulated emission should achieve optimal quantum cloning of the polarization state of light. We demonstrate close-to-optimal universal quantum cloning of polarization in a standard fiber amplifier for telecom wavelengths. For cloning 1-->2 we find a fidelity of 0.82, the optimal value being 5 / 6=0.83. |
| |
| Keywords: | |
| 本文献已被 PubMed 等数据库收录！ |
|
