Abstract

We demonstrate a novel variable beam splitter using a tripod-linkage of atomic states, the physics of which is based on the laser control of the non-adiabatic coupling between two degenerate dark states. This coupling and the splitting ratio is determined by the time delay of the interaction induced by two of the laser beams.

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  1. P. R. Berman, Atom Interferometry, (Academic Press, 1997).
  2. R. Deutschmann, W. Ertmer and H. Wallis, "Reflection and diffraction of atomic de broglie waves by an evanescent laser wave," Phys. Rev. A 47, 2169-2185 (1993).
  3. S. Glasgow, P. Meystre, M. Wilkens and E.M. Wright, "Theory of an atomic beam splitter based on velocity-tuned resonances," Phys. Rev. A 43, 2455-2463 (1991).
  4. T. Pfau, C. Kurtsiefer, C. S. Adams, M. Sigel and J. Mlynek, "Magneto-optical beam splitter for atoms," Phys. Rev. Lett. 71, 3427-3430 (1993).
  5. M. Kasevich, D. S. Weiss, E. Riis, K. Moler, S. Kasapi, S. Chu and E.M. Wright, "Atomic velocity selection using stimulated raman transitions," Phys. Rev. Lett. 66, 2297-2300 (1991).
  6. P. Marte, P. Zoller and J. L. Hall, "Coherent atomic mirrors and beam splitters by adiabatic passage in multilevel systems," Phys. Rev. A 44, 4118-4121 (1991).
  7. M. Weitz, B. C. Young and S. Chu, "Atomic interferometer based on adiabatic population transfer," Phys. Rev. Lett. 73, 2563-2566 (1994).
  8. U. Gaubatz, P. Rudecki, S. Schiemann and K. Bergmann, "Population transfer between molecular vibrational levels by stimulated Raman scattering with partially overlapping laserfields," J. Chem. Phys. 92, 5363-5376 (1990).
  9. K. Bergmann, H. Theuer and B.W. Shore, "Coherent population transfer among quantum states of atoms and molecules," Rev. Mod. Phys. 70, 1003-1026 (1998).
  10. R. Unanyan, M. Fleischhauer, B. W. Shore and K. Bergmann, "Robust creation and phase- sensitive probing of superposition states via stimulated raman adiabatic passage (STIRAP) with degenerate dark states," Opt. Commun. 155, 144-154 (1998).
  11. R. Unanyan, B. W. Shore and K. Bergmann, Phys. Rev. A submitted.
  12. H. Theuer and K. Bergmann, "Atomic beam deflection by coherent momentum transfer and the dependence on small magnetic fields," Eur. Phys. J. D 2, 279-289 (1998).

Other (12)

P. R. Berman, Atom Interferometry, (Academic Press, 1997).

R. Deutschmann, W. Ertmer and H. Wallis, "Reflection and diffraction of atomic de broglie waves by an evanescent laser wave," Phys. Rev. A 47, 2169-2185 (1993).

S. Glasgow, P. Meystre, M. Wilkens and E.M. Wright, "Theory of an atomic beam splitter based on velocity-tuned resonances," Phys. Rev. A 43, 2455-2463 (1991).

T. Pfau, C. Kurtsiefer, C. S. Adams, M. Sigel and J. Mlynek, "Magneto-optical beam splitter for atoms," Phys. Rev. Lett. 71, 3427-3430 (1993).

M. Kasevich, D. S. Weiss, E. Riis, K. Moler, S. Kasapi, S. Chu and E.M. Wright, "Atomic velocity selection using stimulated raman transitions," Phys. Rev. Lett. 66, 2297-2300 (1991).

P. Marte, P. Zoller and J. L. Hall, "Coherent atomic mirrors and beam splitters by adiabatic passage in multilevel systems," Phys. Rev. A 44, 4118-4121 (1991).

M. Weitz, B. C. Young and S. Chu, "Atomic interferometer based on adiabatic population transfer," Phys. Rev. Lett. 73, 2563-2566 (1994).

U. Gaubatz, P. Rudecki, S. Schiemann and K. Bergmann, "Population transfer between molecular vibrational levels by stimulated Raman scattering with partially overlapping laserfields," J. Chem. Phys. 92, 5363-5376 (1990).

K. Bergmann, H. Theuer and B.W. Shore, "Coherent population transfer among quantum states of atoms and molecules," Rev. Mod. Phys. 70, 1003-1026 (1998).

R. Unanyan, M. Fleischhauer, B. W. Shore and K. Bergmann, "Robust creation and phase- sensitive probing of superposition states via stimulated raman adiabatic passage (STIRAP) with degenerate dark states," Opt. Commun. 155, 144-154 (1998).

R. Unanyan, B. W. Shore and K. Bergmann, Phys. Rev. A submitted.

H. Theuer and K. Bergmann, "Atomic beam deflection by coherent momentum transfer and the dependence on small magnetic fields," Eur. Phys. J. D 2, 279-289 (1998).

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