2008

Short-wavelength quantum cascade lasers (Invited Paper)

Intersublevel polaron dephasing in self-assembled quantum dots

New Approaches for DWELL QDIP Operation

2007

InGaAs/AlAsSb/InP quantum cascade lasers operating at wavelengths close to 3µm

Short wavelength and strain compensated InGaAs/AlAsSb quantum cascade lasers

Improved performance of In0.6Ga0.4As/AlAs0.67Sb0.33/InP quantum cascade lasers by introduction of AlAs barriers in the active regions

InGaAs/AlAsSb/InP strain compensated quantum cascade lasers

Enhancing the dot density in quantum dot infrared photodetectors via the incorporation of antimony

Fast intraband capture and relaxation in self-assembled InAs/GaAs quantum dots

Singlet and triplet polaron relaxation in doubly charged self-assembled quantum dots

Increasing the dot density in quantum dot infrared photodetectors via antimony mediated dot formation

2006

Intraband magneto-spectroscopy of singly and doubly charged n-type self-assembled quantum dots

Electron intraband capture and relaxation in self-assembled InAs/GaAs quantum dots

Room-temperature 1.6µm light emission from InAs/GaAs quantum dots with a thin GaAsSb cap layer

Intraband magneto-spectroscopy of polarons and bipolarons in self-assembled quantum dots

Polaron dephasing in InAs/GaAs self-assembled quantum dots

2005

InGaAs-AlAsSb: the material system of choice for short wavelength quantum cascade lasers? (Invited Paper)

Electronic spatial distribution of InGaAs/AlAsSb quantum cascade lasers

2004

Polaron relaxation dynamics in InAs/GaAs self-assembled quantum dots

Intraband relaxation via polaron decay in InAs self-assembled quantum dots

The polaronic nature of intraband relaxation in InAs/GaAs self-assembled quantum dots.

λ~3-5µm intersubband emission from InGaAs-AlAsSb quantum cascade structures

Precise measurement of the fraction of charged dots in self-assembled quantum dot ensembles using ultrafast pump-probe techniques

Measurements of optical losses in mid-infrared semiconductor lasers using Fabry-Perot transmission oscillations

Dynamics of Coherent and Incoherent Spin Polarizations in Ensembles of Quantum Dots