Design of quantum dot electroabsorption modulators for next-generation data and telecommunications​

J Mahoney - 2023 - orca.cardiff.ac.uk
The work presented in this thesis investigates the characterisation and optimisation of InAs
quantum dots for the purpose of electro-absorption modulators. The modulator is a crucial …

Characteristics of 1.3 μm InAs/InGaAs/GaAs quantum dot electroabsorption modulator

CY Ngo, SF Yoon, WK Loke, Q Cao, DR Lim… - Applied Physics …, 2009 - pubs.aip.org
We report the characteristics of 1.3 μ m electroabsorption modulators (EAMs) utilizing the
InAs/InGaAs/GaAs quantum dot (QD) structures. While extinction ratio of∼ 10 dB was …

Measurement of the quantum-confined Stark effect in InAs/In (Ga) As quantum dots with p-doped quantum dot barriers

J Mahoney, M Tang, H Liu, N Abadía - Optics Express, 2022 - opg.optica.org
The quantum-confined Stark effect in InAs/In (Ga) As quantum dots (QDs) using non-
intentionally doped and p-doped QD barriers was investigated to compare their performance …

[HTML][HTML] Effects of annealing on performances of 1.3-μm InAs-InGaAs-GaAs quantum dot electroabsorption modulators

SY Lee, SF Yoon, ACY Ngo, T Guo - Nanoscale research letters, 2013 - Springer
In this work, we investigated the effects of quantum dot (QD) annealing (as-grown, 600° C-
annealed, and 750° C-annealed) on the preliminary performances of 1.3-μm InAs-InGaAs …

Electroabsorption modulators and laser diodes for free space optics and on-chip applications

BC Maglio - 2022 - orca.cardiff.ac.uk
Theoretical predictions corroborated with experimental observations of III-V compound
semiconductor normal-incidence electroabsorption modulators and edge-coupled …

[HTML][HTML] Modelling the effects of p-modulation doping in InAs/InGaAs quantum dot devices

B Maglio, L Jarvis, M Tang, H Liu… - Optical and Quantum …, 2024 - Springer
A modelling routine has been developed to quantify effects present in p-modulation doped
1.3 μm InAs/InGaAs quantum dot laser and modulator devices. Utilising experimentally …

Evaluation of InAs quantum dots on Si as optical modulator

IC Sandall, JS Ng, JPR David, H Liu… - … science and technology, 2013 - iopscience.iop.org
The potential of using InAs quantum dots, epitaxially grown on a Si substrate, as an optical
modulator have been investigated. By exploiting the quantum-confined Stark effect across …

1.3 μm quantum-dot electro-absorption modulator

Y Chu, MG Thompson, RV Penty… - 2007 Conference on …, 2007 - ieeexplore.ieee.org
CMP4 - 1.3 (mu)m Quantum-Dot Electro-Absorption Modulator Page 1 1.3 μm Quantum-Dot
Electro-Absorption Modulator Y. Chu, MG Thompson, RV Penty and IH White Department of …

QCSE and carrier blocking in p-modulation doped InAs/InGaAs quantum dots

J Mahoney, PM Smowton, B Maglio, L Jarvis… - CLEO: Science and …, 2021 - opg.optica.org
QCSE and Carrier Blocking in P-modulation Doped InAs/InGaAs Quantum Dots Page 1
QCSE and Carrier Blocking in P-modulation Doped InAs/InGaAs Quantum Dots Joe …

[HTML][HTML] Investigation of semiconductor quantum dots for waveguide electroabsorption modulator

CY Ngo, SF Yoon, WK Loke, Q Cao, DR Lim… - Nanoscale research …, 2008 - Springer
In this work, we investigated the use of 10-layer InAs quantum dot (QD) as active region of
an electroabsorption modulator (EAM). The QD-EAM is a pin ridge waveguide structure with …