Title :
Anisotropic electron-hole wavepackets in quantum wells for multiple-harmonic-generation in the terahertz regime
Author :
Hughes, S. ; Citrin, D.S.
Author_Institution :
Dept. of Phys., Washington State Univ., Pullman, WA, USA
Abstract :
Recently, teraherz (THz) pulses have proven useful for a wide variety of applications, including FIR/time-domain spectroscopy, study and control of Rydberg atoms and T-ray imaging of optical materials. In this talk, we investigate theoretically the simultaneous exposure of a quantum well (QW) to a broadband (50 fs) optical pulse to excite both free and Coulombically bound electron hole (e-h) pairs (excitons) from the crystal ground state to enable the generation of sub-ps THz (4-80 meV) electromagnetic transients
Keywords :
excitons; high-speed optical techniques; infrared spectroscopy; semiconductor quantum wells; spectroscopic light sources; submillimetre wave generation; transients; 1 to 20 THz; 4 to 80 meV; 50 fs; Coulombically bound electron hole pairs; FIR spectroscopic light sources; THz pulses; anisotropic electron-hole wavepackets; broadband fs optical pulses; crystal ground state; multiple-harmonic-generation; quantum wells; simultaneous exposure; sub-ps THz electromagnetic transients generation; terahertz regime; Anisotropic magnetoresistance; Atom optics; Finite impulse response filter; Optical control; Optical imaging; Optical materials; Optical pulses; Quantum mechanics; Spectroscopy; Time domain analysis;
Conference_Titel :
Nonlinear Optics '98: Materials, Fundamentals and Applications Topical Meeting
Conference_Location :
Kauai, HI
Print_ISBN :
0-7803-4950-4
DOI :
10.1109/NLO.1998.710357
