Exploration of the Stranski-Krastanow growth of strained semiconductor heterostructures
marked the major breakthrough for easy fabrication of defect-free quantum dots (QDs). For …

A self-assembled quantum dot (QD) gain medium has multiple favorable material properties
over conventional quantum well (QW) structures and bulk materials, including a large …

Wavelength conversion of 40 Gb/s and 80 Gb/s return-to-zero on-off-keying signals using a
quantum-dot semiconductor optical amplifier in combination with a delay interferometer as …

All-optical semiconductor optical amplifiers (SOAs) present a cost-effective and highly
efficient solution for long-distance WDM networks. In this study, the investigation of a dual …

André Röhm investigates the dynamic properties of two-state lasing quantum dot lasers, with
a focus on ground state quenching. With a novel semi-analytical approach, different …

We propose and demonstrate a novel scheme to generate ultra-wideband (UWB) triplet
pulses based on four-wave mixing and phase-to-intensity modulation conversion. First a …

Analogous to the historical scaling of CMOS technology governed by “Moore's Law,”
monolithic photonic integration on Si allows optical systems previously restricted to bulky …

In time-resolved experiments at InGaAs/GaAs quantum-dots-in-a-well (DWELL)
semiconductor optical amplifiers, pump-probe of the ground state (GS) population, and …

Quantum dot-semiconductor optical amplifiers (QD-SOA) attracted strong interest for
applications in optical communications and in all-optical signal processing due to their high …

The escalating demand for increased traffic capacity and bandwidth in communication
networks has spurred the exploration of innovative solutions. This article delves into the …