This paper reviews the recent progress of quantum-dot semiconductor optical amplifiers
developed as ultrawideband polarization-insensitive high-power amplifiers, high-speed …

Future bandwidth demand in optical communication and signal processing systems will
soon exceed 100 Gb s− 1 as is commonly forecasted from a throughput experience curve for …

This work presents a theory of optical signal amplification and processing by quantum-dot
semiconductor optical amplifiers (SOA's) based on the density matrix equations to treat …

This paper presents recent progress in the field of semiconductor lasers and optical
amplifiers with InAs-based self-assembled quantum dots in the active region for optical …

Wireless, optical, and electronic networks continue to converge, prompting heavy research
into the interface between microwave electronics, ultrafast optics, and photonic …

Semiconductor quantum dots (QDs) have been demonstrated viable for efficient light
emission applications, in particular for the emission of single photons on demand. However …

We have studied the electronic states of closely stacked InAs/GaAs quantum dots (QDs) with
a 4.0-nm spacer layer using linearly polarized photoluminescence (PL) and time-resolved …

Polarization insensitivity of In As∕ Ga As quantum dot (QD) optical amplifier has been
demonstrated by controlling the dot shape. The height of the QD has been controlled by …

Recent experimental measurements, without any theoretical guidance, showed that isotropic
polarization response can be achieved by increasing the number of quantum-dot (QD) …

A polarization-insensitive quantum dot semiconductor optical amplifiers (QD-SOAs) have
been studied for use in future optical communication systems. A part of our work shows that …