Efficient conversion between photons and between photon and atom by stimulated emission
Research output: Journal Publications and Reviews (RGC: 21, 22, 62) › 21_Publication in refereed journal › peer-review
Author(s)
Detail(s)
| Original language | English |
|---|---|
| Article number | 023819 |
| Journal / Publication | Physical Review A - Atomic, Molecular, and Optical Physics |
| Volume | 78 |
| Issue number | 2 |
| Publication status | Published - 12 Aug 2008 |
| Externally published | Yes |
Link(s)
Abstract
Quantum-state conversion among different information-carrying media is essential in a quantum network. It is found that the many schemes of quantum-state conversion can be unified under one simple process-that is, the parametric process of three-wave mixing. These schemes include quantum-state storage in atomic media, where a photonic state is converted to an atomic Raman state and vice versa, the frequency up- and down-conversion in photonic states, and photonic-state conversion to Brillouin phononic states and vice versa. The efficiency of conversion can in principle reach 100%, and the conversion process is noiseless. When the same idea is applied to a four-wave mixing process, unit conversion efficiency between a two-photon state and a single-photon state can be achieved. When applied to a two-photon entangled state in parametric down-conversion, entangled states of multiple photons can be generated. © 2008 The American Physical Society.
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Citation Format(s)
Efficient conversion between photons and between photon and atom by stimulated emission. / Ou, Z. Y.
In: Physical Review A - Atomic, Molecular, and Optical Physics, Vol. 78, No. 2, 023819, 12.08.2008.Research output: Journal Publications and Reviews (RGC: 21, 22, 62) › 21_Publication in refereed journal › peer-review
