Optical information processing using dual state quantum dot lasers: complexity through simplicity

B Kelleher, M Dillane, EA Viktorov - Light: Science & Applications, 2021 - nature.com
We review results on the optical injection of dual state InAs quantum dot-based
semiconductor lasers. The two states in question are the so-called ground state and first …

Delay-induced dynamics and jitter reduction of passively mode-locked semiconductor lasers subject to optical feedback

C Otto, K Lüdge, AG Vladimirov, M Wolfrum… - New Journal of …, 2012 - iopscience.iop.org
We study a passively mode-locked semiconductor ring laser subject to optical feedback from
an external mirror. Using a delay differential equation model for the mode-locked laser, we …

Intensity noise behavior of an InAs/InGaAs quantum dot laser emitting on ground states and excited states

R Pawlus, LL Columbo, P Bardella, S Breuer… - Optics Letters, 2018 - opg.optica.org
We experimentally and numerically study the amplitude stability of an InAs/InGaAs quantum
dot laser emitting simultaneously on ground states (GSs) and excited state (ESs) at center …

Pulse characterization of passively mode-locked quantum-dot lasers using a delay differential equation model seeded with measured parameters

R Raghunathan, MT Crowley, F Grillot… - IEEE Journal of …, 2012 - ieeexplore.ieee.org
A delay differential equation-based model for passive mode locking in semiconductor lasers
is shown to offer a powerful and versatile mathematical framework to simulate quantum-dot …

Direct and indirect capture of carriers into the lasing ground state and the light-current characteristic of quantum dot lasers

Y Wu, LV Asryan - Journal of Applied Physics, 2014 - pubs.aip.org
We calculate the light-current characteristic (LCC) of a quantum dot (QD) laser under the
conditions of both direct and indirect capture of carriers from the optical confinement layer …

Mode-locked semiconductor lasers

E Avrutin, J Javaloyes - Handbook of Optoelectronic Device …, 2017 - taylorfrancis.com
In the most general sense, mode locking (ML) is a regime of laser operation that involves
emitting light in several modes with a time-independent relation between them, ie, with …

Investigation of quantum dot passively mode-locked lasers with excited-state transition

HC Cheng, CP Lee - Optics Express, 2013 - opg.optica.org
Monolithic passively mode-locked quantum dot lasers with excited-state transition were
investigated in a broad operating range without ground-state lasing. Optical and electrical …

Delayed differential equation-based study of sub-terahertz emission in multi-section quantum dot ring lasers

E Groppo, L Tunesi, P Bardella - Novel In-Plane …, 2023 - spiedigitallibrary.org
We present a study of the generation of subterahertz pulses in multi-section quantum dot
(QD) ring lasers based on an improved version of the well-established delayed differential …

Sub-terahertz Emission in Multi-Section Quantum Dot Ring Lasers: A Delayed Differential Equations Approach

E Groppo, P Bardella - 2022 Asia Communications and …, 2022 - ieeexplore.ieee.org
We present a study of the generation of sub-terahertz pulses in multi-section quantum dot
ring lasers, based on an improved version of the well-established multi-section delayed …

Quantum dot passively mode-locked lasers: relation between intracavity pulse evolution and mode locking performances

T Xu, I Montrosset - IEEE Journal of Quantum Electronics, 2012 - ieeexplore.ieee.org
We present a systematic investigation of the passively mode-locked (ML) quantum dot lasers
using a Finite Difference Traveling Wave model. Device structural parameters, such as the …