Edge-emitting mode-locked quantum-dot (QD) lasers are compact, highly efficient sources
for the generation of picosecond and femtosecond pulses and/or broad frequency combs …

Mamyshev oscillators (MOs) have attracted significant attention given their potential in
yielding ultrafast lasers with high peak power. Based on step‐like saturable absorbers and …

The investigation of phonon and charge carrier dynamics in Bi 2 Te 3 overlayers requires
consideration of key factors such as substrate orientation, annealing-induced modifications …

We experimentally study the generation and amplification of stable picosecond-short optical
pulses by a master oscillator power-amplifier configuration consisting of a monolithic …

We demonstrate the first semiconductor mode-locked lasers for ultrashort pulse generation
at the 760 nm waveband. Multi-section laser diodes based on an AlGaAs multi-quantum …

Poor thermal stability has remained a severe obstacle for practical applications of optical
fiber amplifiers based on quantum dots (QDs). We demonstrate that thermal stability at …

Wavelength− tunable semiconductor quantum− dot lasers have achieved impressive
performance in terms of high− power, broad tunability, low threshold current, as well as …

A broadly tunable master-oscillator power-amplifier (MOPA) picosecond optical pulse
source is demonstrated, consisting of an external cavity passively mode-locked laser diode …

Double-pass amplification of picosecond pulses is demonstrated and compared with single-
pass amplification. This was achieved using a two-section tapered semiconductor optical …

A high-power tunable external cavity laser configuration with a tapered quantum-dot
semiconductor optical amplifier at its core is presented, enabling a record output power for a …