The field of ultrafast spectroscopy of semiconductors and their nanostruc tures continues to
be an active field of research. Exciting new developments have taken place since the first …

Multi-dimensional coherent spectroscopy (MDCS) has become an extremely versatile and
sensitive technique for elucidating the structure, composition, and dynamics of condensed …

Double quantum wells are among the simplest semiconductor heterostructures exhibiting
tunnel coupling. The existence of a quantum confinement effect for the energy levels of a …

The authors studied the effects of changing the barrier design of GaAs-Al/sub x/Ga/sub 1-
x/As quantum wells on the electroabsorption, exciton saturation, and carrier sweep-out …

In the past decade, there has been a burst of new and fascinating physics associated to the
unique properties of two-dimensional exciton polaritons, their recent demonstration of …

We have studied the effects of an external electric field on photoluminescence spectra and
carrier lifetimes in strained In x Ga 1− x N/G a N quantum wells embedded in p− i− n light …

We study an asymmetric double InGaAs quantum well using optical two-dimensional
coherent spectroscopy. The collection of zero-quantum, one-quantum, and two-quantum two …

We have measured both spectrum-and time-resolved photoluminescence (PL) of
InGaN/GaN light-emitting diode structure as a function of an external bias. From spectrum …

We have directly measured carrier tunneling times between vertically aligned double
quantum dots (QD's) using time-resolved photoluminescence measurement. The vertically …

Semiconductor quantum well structures have been critical to the development of modern
photonics and solid-state optoelectronics. Quantum level tunable structures have introduced …