Broadband Emission in Quantum-Dash Semiconductor Laser

CL Tan, HS Djie, BS Ooi - Advances in Optical and Photonic …, 2010 - books.google.com
A new type of semiconductor laser is studied, in which injected carriers in the active region
are quantum mechanically confined in localized finite self-assembled wire-like …

L-band quantum-dash self-injection locked multiwavelength laser source for future WDM access networks

MA Shemis, AM Ragheb, MTA Khan… - IEEE Photonics …, 2017 - ieeexplore.ieee.org
We propose and demonstrate a compact, cost-effective, multiwavelength laser source
employing self-injection locking scheme on InAs/InP quantum-dash (Qdash) laser diode …

High Bandwidth Operation of Directly Modulated Laser Based on Quantum-Dash InAs–InP Material at 1.55 m

B Dagens, D Make, F Lelarge… - IEEE Photonics …, 2008 - ieeexplore.ieee.org
The modulation bandwidth has been identified as a specific limitation of quantum-dot or
quantum-dash (QDash) lasers for direct modulation application. Solutions using tunnel …

Theoretical Investigation of Anisotropic Gain Mechanisms in InGaAsP-Based 1.5-m Quantum Dash Lasers

SB Healy, EP O'Reilly - IEEE journal of quantum electronics, 2010 - ieeexplore.ieee.org
We examine the electronic structure and optical properties of 1.5-μm InAs/InGaAsP/InP
quantum dash-in-a-well (DWELL) and dash-in-a-barrier (DBAR) lasers. Using 1-D and 3-D …

An analysis of 1.55 μm InAs∕ InP quantum dash lasers

SC Heck, SB Healy, S Osborne, EP O'Reilly… - Applied Physics …, 2008 - pubs.aip.org
Calculations show that electron states are not confined in the dashes in 1.55 μ m In As∕ In
P quantum dash-in-a-well laser structures. The combination of strain and three-dimensional …

Simultaneous low linewidth enhancement factor and high bandwidth quantum-dash injection-locked laser

NA Naderi, F Grillot, V Kovanis… - IEEE Photonic Society …, 2011 - ieeexplore.ieee.org
A directly-modulated quantum-dash Fabry-Perot laser with near-zero α-factor and a
broadband 16-GHz response is demonstrated using strong optical injection. This laser …

Gain and refractive index dynamics in p-doped InAs quantum dash semiconductor optical amplifiers

K Komolibus, T Piwonski, S Joshi, N Chimot… - Applied Physics …, 2016 - pubs.aip.org
The ultrafast carrier dynamics in a p-doped dash-in-a-well structure at 1.5 μm is
experimentally investigated. An analysis of the timescales related to carrier relaxation and …

InAs-based quantum cascade lasers with enhanced confinement

RQ Yang - Semiconductor Science and Technology, 2015 - iopscience.iop.org
InAs-based intersubband quantum cascade (QC) lasers with an improved waveguide
configuration are proposed. Calculations and analyses are presented to show that the …

Effect of the number of stacking layers on the characteristics of quantum-dash lasers

MZM Khan, TK Ng, U Schwingenschlogl… - Optics …, 2011 - opg.optica.org
A theoretical model is evaluated to investigate the characteristics of InAs/InP quantum dash
(Qdash) lasers as a function of the stack number. The model is based on multimode carrier …

Comparison of growth structures for continuous-wave electrically pumped 1.55 μm quantum dash lasers grown on (001) Si

W Luo, Y Xue, J Huang, L Lin, B Shi, KM Lau - Photonics Research, 2020 - opg.optica.org
Semiconductor lasers directly grown on silicon offer great potential as critical components in
high-volume, low-cost integrated silicon photonics circuits. Although InAs/InP quantum dash …