By Amitabh Joshi

This e-book presents a complete creation to the theoretical and experimental reviews of atomic optical bistability and multistability, and their dynamical houses in platforms with - and three-level inhomogeneously-broadened atoms inside of an optical hollow space. via utilizing the changed linear absorption and dispersion, in addition to the significantly greater nonlinearity within the three-level electromagnetically precipitated transparency approach, the optical bistablity and effective all-optical switching could be accomplished at particularly low laser powers, which are good managed and manipulated. beforehand, the fast fee of growth in functions of multilevel platforms in cross-disciplinary box has made it tough to beginners to the sphere to procure a extensive evaluate of this subject. This monograph will serve the aim.

Readership: Graduate scholars, researchers and lecturers in optical physics.

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Extra info for Controlling Steady-State and Dynamical Properties of Atomic Optical Bistability

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3, it is quite clear that the atomic coherence induced by the coupling and probe laser beams is responsible to change absorption and dispersion properties of the probe beam. The steepness of dispersion slope so observed under EIT condition is responsible for the substantial reduction in the group velocity of probe pulses [25,73,74]. This reduction in group velocity brings a significant increase in the effective interaction time for the probe pulses with the atomic medium. Optical nonlinearities in multilevel systems could be enhanced by the induced atomic coherence and thus facilitates to realize nonlinear optical June 20, 2012 17:34 World Scientific Book - 9in x 6in Introduction ws-book9x6 41 processes using ultra weak optical power levels.

3, it is quite clear that the atomic coherence induced by the coupling and probe laser beams is responsible to change absorption and dispersion properties of the probe beam. The steepness of dispersion slope so observed under EIT condition is responsible for the substantial reduction in the group velocity of probe pulses [25,73,74]. This reduction in group velocity brings a significant increase in the effective interaction time for the probe pulses with the atomic medium. Optical nonlinearities in multilevel systems could be enhanced by the induced atomic coherence and thus facilitates to realize nonlinear optical June 20, 2012 17:34 World Scientific Book - 9in x 6in Introduction ws-book9x6 41 processes using ultra weak optical power levels.

The waves defined by a tag ‘p’ at interface pick up different phases due to the different optical path difference 2 p d n. The amplitude of ‘p’ wave is given by tt′ (r′ )2p−1 due to multiple reflections and transmissions. The first reflected wave needs a slightly different treatment while summing up all amplitudes. 35) in which A0 is the amplitude of incident wave, k is the wave vector defined as k = 2π λ and δ = 2kdn = 4πdn/λ. , θ = 0 with reference to normal to the surface of the FP mirror) the expression of δ modifies to δ = 4πdn cos(θ)/λ.

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