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Title: Phase-sensitive microwave optical double resonance in an N system
Authors: Preethi, T.M.
Manukumara, M.
Asha, K.
Vijay, J.
Roshi, Anish D.
Narayanan, Andal
Keywords: Electromagnetically Induced Transparency
Issue Date: Aug-2011
Publisher: EPL Association
Citation: Europhysics Letters, 2011, Vol.95, p34005
Abstract: An experimental investigation of a Microwave Optical Double Resonance (MODR) phenomenon is carried out in a four level N system of (85)Rb atoms, at room temperature. This N system consists of a closed three level. subsystem irradiated with two optical fields and one microwave field. The MODR response is investigated in a separate probe field which drives a resonant transition from one of the ground states of the. system to a fourth level. We find that, under two-photon resonance condition for the optical fields, the MODR becomes a function of the relative phase between the beat frequency envelop of the optical fields and the microwave field. The variation in MODR is shown to be correlated with the phase-sensitive variation of the EIT phenomenon seen in such microwave-connected closed. systems. We envisage that this phase-sensitive variation in the MODR, can be utilized for a phase-sensitive manipulation of non-linear optical phenomena in N systems.
Description: Restricted Access.
ISSN: 0295-5075
1286-4854 (Online)
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Copyright: 2011 EPL Association
Appears in Collections:Research Papers (LAMP)

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