Title :
Subpicosecond adiabatic rapid passage in a single InGaAs quantum dot: Role of phonons in dephasing
Author :
Mathew, Reji ; Dilcher, Eric ; Gamouras, Angela ; Ramachandran, Ajan P. ; Freisem, Sabine ; Deppe, Dennis G. ; Hall, Kimberley C.
Author_Institution :
Dept. of Phys. & Atmos. Sci., Dalhousie Univ., Halifax, NS, Canada
Abstract :
Robust excitation of an exciton state via adiabatic rapid passage is demonstrated in a single InGaAs quantum dot using subpicosecond optical pulses. A chirp sign dependence of the transfer efficiency indicates dephasing tied to phonons.
Keywords :
III-V semiconductors; excitons; gallium compounds; indium compounds; phonons; semiconductor quantum dots; dephasing; exciton state; phonons; quantum dot; robust excitation; subpicosecond adiabatic rapid passage; subpicosecond optical pulses; Chirp; Excitons; Indium gallium arsenide; Optical pulse shaping; Phonons; Quantum dots; Ultrafast optics;
Conference_Titel :
Lasers and Electro-Optics (CLEO), 2014 Conference on
Conference_Location :
San Jose, CA
