Quantum dot lasers by Patel, R

Subjects: “…Quantum Dot Lasers…”

DNA monofunctionalization of quantum dots. by Carstairs, H, Lymperopoulos, K, Kapanidis, A, Bath, J, Turberfield, A

Image simulations of quantum dots by Lang, C, Liao, X, Cockayne, D

“…An image simulation method for quantum dots based on a Bloch wave algorithm is described and applied to the case of quantum dots in the InN/GaN system.…”

The morphology and composition of quantum dots by Cockayne, D, Liao, X, Zou, J

“…A number of methods for investigating the structure and composition of quantum dots are discussed, with particular emphasis on the modelling of QD compositional profiles. …”

Anticrossings in Forster coupled quantum dots by Nazir, A, Lovett, B, Barrett, S, Reina, J, Briggs, G

Quantum dots and nanowires for photonics applications by Mokkapati, S, Joyce, H, Kim, Y, Gao, Q, Tan, H, Jagadish, C

“…We review our results on integrated photonic devices fabricated using InGaAs quantum-dots. Selective-area metal organic chemical vapor deposition (MOCVD) is used to grow the active region with quantum dots emitting at different wavelengths for fabrication of the integrated devices. …”

Collodial quantum dot solar cells by Zhang, N

“…<p>This thesis presents three specific strategies to enhance colloidal quantum dot (CQD) solar cells’ performances, including band alignment engineering, quantum dot passivation, and smart device architecture design.…”

Characterisation of the structure and composition of quantum dots by Cockayne, D, Lang, C, Liao, X, Zou, J

“…A number of methods for investigating the structure and composition of quantum dots are discussed, with particular emphasis on the modelling of QD compositional profiles.…”

Topological quantum gates with quantum dots by Pachos, J, Vedral, V

“…We present an idealized model involving interacting quantum dots that can support both the dynamical and geometrical forms of quantum computation. …”

Semiconductor colloidal quantum dots for photovoltaic applications by Cheng, C

“…<p>This thesis studies lead suphide (PbS) colloidal quantum dots and their photovoltaic applications.</p> <p>Different sizes of PbS QDs were synthesised and characterised using absorption spectroscopy and transmission electron microscopes. …”

Quantum dots and nanowires for optoelectronic device applications by Gao, Q, Kim, Y, Joyce, H, Lever, P, Mokkapati, S, Buda, M, Tan, H, Jagadish, C

“…InGaAs quantum dots (QDs) and nanowires have been grown on GaAs by metal-organic chemical vapour deposition on GaAs (100) and (111)B substrates, respectively. …”

Dynamics of capacitively coupled double quantum dots by Galpin, MR, Logan, D, Krishnamurthy, H

“…We consider a double dot system of equivalent, capacitively coupled semiconducting quantum dots, each coupled to its own lead, in a regime where there are two electrons on the double dot. …”

Ensemble interactions in strained semiconductor quantum dots by Leon, R, Marcinkevicius, S, Liao, X, Zou, J, Cockayne, D, Fafard, S

Gate reflectometry in dense quantum dot arrays by Ansaloni, F, Bohuslavskyi, H, Fedele, F, Rasmussen, T, Brovang, B, Berritta, F, Heskes, A, Li, J, Hutin, L, Venitucci, B, Bertrand, B, Vinet, M, Niquet, Y-M, Chatterjee, A, Kuemmeth, F

“…Silicon quantum devices are maturing from academic single- and two-qubit devices to industrially-fabricated dense quantum-dot (QD) arrays, increasing operational complexity and the need for better pulsed-gate and readout techniques. …”

A quantum dot single spin meter by Wabnig, J, Lovett, B

“…We present the theory of a single spin meter consisting of a quantum dot in a magnetic field under microwave irradiation combined with a charge counter. …”

Intensity noise in quantum-dot laser diodes by Wolfl, F, Ryan, J, Fox, A, Ashmore, A, Mowbray, D, Skolnick, MS, Hopkinson, M, Hill, G

“…We present intensity noise studies of a self-organized InAs/GaAs quantum-dot laser. The noise power measured for the full emission spectrum was found to be smaller than that for separate longitudinal mode groups. …”

The formation of CdS quantum dots and Au nanoparticles by Schiener, A, Schmidt, E, Bergmann, C, Seifert, S, Zahn, D, Krach, A, Weihrich, R, Magerl, A

“…We report on microsecond-resolved in-situ SAXS experiments of the early nucleation and growth behavior of both cadmium sulfide (CdS) quantum dots in aqueous solution including the temperature dependence and of gold (Au) nanoparticles. …”

Quantum phase transition in quantum dot trimers by Mitchell, A, Jarrold, T, Logan, D

“…We investigate a system of three tunnel-coupled semiconductor quantum dots in a triangular geometry, one of which is connected to a metallic lead, in the regime where each dot is essentially singly occupied. …”

Adiabatic charge pumping in carbon nanotube quantum dots. by Buitelaar, MR, Kashcheyevs, V, Leek, P, Talyanskii, V, Smith, C, Anderson, D, Jones, G, Wei, J, Cobden, D

“…We investigate charge pumping in carbon nanotube quantum dots driven by the electric field of a surface acoustic wave. …”

Two-channel Kondo phases in coupled quantum dots by Mitchell, A

“…<p>We investigate systems comprising chains and rings of quantum dots, coupled to two metallic leads. Such systems allow to study the competition between orbital and spin degrees of freedom in a nanodevice, and the effect this subtle interplay has on two-channel Kondo (2CK) physics. …”