Control an electromagnetically induced transparence feature with a microwave field

In this paper we present a theoretical study of the effect of a microwave field on an EIT feature. The EIT feature is associated with the well-known three-level Λ type configuration where a pump and probe laser field couples two separate optical transitions. In addition to these two laser fields, there is a microwave field which drives one of the two lower levels of the Λ type three-level system to another hyperfine level. The EIT feature is studied as a function of microwave field frequency and intensity. Our results show that the presence of a microwave field can dramatically modify the EIT feature. When microwave is resonant with the hyperfine transition, the EIT feature can be split into two EIT features. When it is off resonant with the hyperfine transition, it causes a frequency shift of the EIT feature, reminiscent of the well-known light shift effect.

[1]  Neil B. Manson,et al.  Perturbing an electromagnetic induced transparency within an inhomogeneously broadened transition , 2003 .

[2]  J. P. Marangos.  ELECTROMAGNETICALLY INDUCED TRANSPARENCY , 2005 .

[3]  S. M. Sadeghi,et al.  LASER-INDUCED TRANSPARENCY AND DARK-LINE EFFECTS CAUSED BY THREE-WAVE MIXING IN ATOMIC SYSTEMS , 1997 .

[4]  Frederick Y. Wu,et al.  Observation of amplification in a strongly driven two-level atomic system at optical frequencies , 1977 .

[5]  Hsin-Ying Chiu,et al.  Observation of the quantum interference phenomenon induced by interacting dark resonances , 2001 .

[6]  S. Yelin,et al.  Nonlinear optics via double dark resonances , 2003, quant-ph/0306147.

[7]  M. Scully,et al.  Unexpected Doppler-free resonance in generalized double dark states , 2002 .

[8]  A. M. Tumaikin,et al.  Electromagnetically induced absorption in a four-state system , 1999, QELS 2000.

[9]  Yifu Zhu,et al.  Normal or anomalous dispersion and gain in a resonant coherent medium (5 pages) , 2003 .

[10]  David McGloin,et al.  Coherent effects in a driven Vee scheme , 2003 .

[11]  B. R. Mollow.  Stimulated Emission and Absorption near Resonance for Driven Systems , 1972 .

[12]  N. Manson,et al.  Observation of the Dynamic Stark Effect on Electromagnetically Induced Transparency , 1999 .

[13]  Yifu Zhu,et al.  Slow-light six-wave mixing at low light intensities. , 2004, Physical review letters.

[14]  P. Knight,et al.  Transparency, slow light and enhanced nonlinear optics in a four-level scheme , 2002 .

[15]  Marlan O. Scully,et al.  Quantum interference effects induced by interacting dark resonances , 1999 .

[16]  K. Sharma,et al.  Atomic coherence effects in four-level systems: Doppler-free absorption within an electromagnetically-induced-transparency window , 1997 .

[17]  K. Burnett.  Atom-Photon Interactions Basic Processes and Applications , 1992 .

[18]  Charles H. Townes,et al.  Stark Effect in Rapidly Varying Fields , 1955 .

[19]  M. Rosenbluh,et al.  Sub-Doppler and subnatural narrowing of an absorption line , 2004, 2006 Conference on Lasers and Electro-Optics and 2006 Quantum Electronics and Laser Science Conference.

[20]  E. Arimondo.  Coherent Population Trapping in Laser Spectroscopy , 1996 .