Muthukrishnan, Ashok ; Agarwal, Girish S. ; Scully, Marlan O. (2004) Inducing disallowed two-atom transitions with temporally entangled photons Physical Review Letters, 93 (9). 093002_1-093002_4. ISSN 0031-9007
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Official URL: http://prl.aps.org/abstract/PRL/v93/i9/e093002
Related URL: http://dx.doi.org/10.1103/PhysRevLett.93.093002
Abstract
Two uncoupled two-level atoms cannot be jointly excited by classical light under general circumstances, due to destructive interference of excitation pathways in two-photon absorption. However, with temporally entangled light, two-atom excitation is shown possible. Photons arising from three-level cascade decay are intrinsically ordered in time of emission. This field correlation induces a joint resonance in the two-atom excitation probability via suppression of one of the time-ordered excitation pathways. The relative gain in two-photon absorption increases with the time-frequency entanglement.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to American Physical Society. |
| ID Code: | 11990 |
| Deposited On: | 10 Nov 2010 05:14 |
| Last Modified: | 11 May 2011 04:23 |
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