| Generation of strong short coherent terahertz pulses in Ladder-Lambda and Double-Lambda systems (2006) | |||||||||
Abstract | |||||||||
| We show that coherently driven atomic or molecular media potentially yield strong controllable short pulses of THz radiation. The method is based on excitation of maximal quantum coherence in a gas medium by optical pulses and coherent scattering of infra-red radiation to produce pulses of THz radiation. The pulses have the energies range from several nJ to $\mu$J and time durations from several fs to ns at room temperature. | |||||||||
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