THz pulses from the creation of polarized electron-hole pairs in biased quantum wells

Planken, Paul C.M.; Nuss, Martin C.; Knox, W.H.; Miller, D.A.B.; Goossen, K.W.
October 1992
Applied Physics Letters;10/26/1992, Vol. 61 Issue 17, p2009
Academic Journal
Examines the generation of coherent terahertz electromagnetic transients from GaAs quantum wells in perpendicular fields. Suppression of the transport current; Importance of electron-hole pair polarization in terahertz generation; Significance of optical rectification mechanism at semiconductor surfaces.


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