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    Sub-picosecond Electron Scattering Time For Lambda ~ 1.55microns Intersubband Transitions In GaN/AlGaN Multiple Quantum Wells

Sub-picosecond Electron Scattering time for lambda ~ 1.55microns Intersubband Transitions in GaN/AlGaN Multiple Quantum Wells

15 March 2001

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We studied GaN/AlGaN multiple quantum wells with a subband spacing of ~ 740 meV (lambda = 1.67microns). Using the time-resolved pump-and-probe technique, with 1.55microns pump and 1.70microns probe wavelength, we measured an intersubband electron scattering time of 370 fs.

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