Spectroscopy with mid-infrared pulses generated by optical rectification of 15-fs pulses

Research output: Contribution to conferencePaperpeer-review

Abstract

A coherent superposition of two electronic states E1 and E2 in an asymmetric quantum well was set up to observe mid-infrared pulses to investigate the intersubband relaxations. The corresponding quantum beat between the two states results in an oscillating dipole radiating a mid-infrared wave. This emission is measured by measuring its linear correlation with an ultra-short mid-infrared pulse transmitted through the sample. In addition to coherence relaxation, this technique allows for observation of the population relaxation from the upper level E1 to the lower level E2 in a direct manner.

Original languageEnglish
Pages139
Number of pages1
Publication statusPublished - 1 Jan 1997
EventProceedings of the 1997 Conference on Quantum Electronics and Laser Science, QELS - Baltimore, MD, USA
Duration: 18 May 199723 May 1997

Conference

ConferenceProceedings of the 1997 Conference on Quantum Electronics and Laser Science, QELS
CityBaltimore, MD, USA
Period18/05/9723/05/97

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