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Absorption Changes Induced by Off-Resonance Driving a Degenerate Two-Level System
- Source :
- Chinese Physics Letters. 25:2041-2044
- Publication Year :
- 2008
- Publisher :
- IOP Publishing, 2008.
-
Abstract
- The alteration of atomic absorption via quantum coherence is observed in the degenerate two-level atomic system. It is shown that when the detuning of coupling field equals to that of probe light, i.e. two-photon resonance, the reduction of atomic absorption via electromagnetically induced transparency occurs. However, when we tune the coupling field to two-photon off-resonance, the enhancement of absorption is obtained for the probe field. The influences of one-photon detuning and intensity of coupling field on absorption are also experimentally demonstrated.
- Subjects :
- Condensed Matter::Quantum Gases
Materials science
Absorption spectroscopy
Electromagnetically induced transparency
Atomic system
Degenerate energy levels
General Physics and Astronomy
law.invention
law
Off resonance
Physics::Atomic Physics
Atomic physics
Atomic absorption spectroscopy
Quantum
Coherence (physics)
Subjects
Details
- ISSN :
- 17413540 and 0256307X
- Volume :
- 25
- Database :
- OpenAIRE
- Journal :
- Chinese Physics Letters
- Accession number :
- edsair.doi...........b7cadf5b9160fcb1a6b4152074c98475