Quantum Superposition State Production by Continuous Observations and Feedback
Abstract
We present a protocol for the generation of superpositions of states with distinguishable field amplitudes in an optical cavity by quantum nondemolition photon number measurements and coherent feeding of the cavity.
- Publication:
-
Physical Review Letters
- Pub Date:
- November 2007
- DOI:
- arXiv:
- arXiv:quant-ph/0703040
- Bibcode:
- 2007PhRvL..99v3601N
- Keywords:
-
- 42.50.Dv;
- 02.30.Yy;
- 03.67.-a;
- Nonclassical states of the electromagnetic field including entangled photon states;
- quantum state engineering and measurements;
- Control theory;
- Quantum information;
- Quantum Physics
- E-Print:
- RevTex4, 4 pages, 2 figures. Published in Phys. Rev. Lett. with higher quality figures. The first part of the manuscript, regarding the Fock state generator, has been removed