David Ritchie

Erasable electrostatic lithography for quantum components.

Low-temperature collapse of electron localization in two dimensions.

Electrically switchable emission in terahertz quantum cascade lasers.

Highly enhanced thermopower in two-dimensional electron systems at millikelvin temperatures.

THz QCL-based cryogen-free spectrometer for in situ trace gas sensing.

Low-bias terahertz amplitude modulator based on split-ring resonators and graphene.

Density dependent composition of InAs quantum dots extracted from grazing incidence x-ray diffraction measurements.

'Metal'-like transport in high-resistance, high aspect ratio two-dimensional electron gases.

Improved Tuning Fork for Terahertz Quartz-Enhanced Photoacoustic Spectroscopy.

Cavity-enhanced coherent light scattering from a quantum dot.

Single-Photon Superradiance from a Quantum Dot.

Topological states and phase transitions in Sb2Te3-GeTe multilayers.

High Open-Circuit Voltages in Tin-Rich Low-Bandgap Perovskite-Based Planar Heterojunction Photovoltaics.

Reappearance of linear hole transport in an ambipolar undoped GaAs/AlGaAs quantum well.

Structure and Thermoelectric Properties of BiSbTe₃ Nanowires Grown in Flexible Nanoporous Polycarbonate Templates.

On-Chip Andreev Devices: Hard Superconducting Gap and Quantum Transport in Ballistic Nb-In Ga As-Quantum-Well-Nb Josephson Junctions.

Contactless graphene conductivity mapping on a wide range of substrates with terahertz time-domain reflection spectroscopy.

High mobility In_0.75Ga_0.25As quantum wells in an InAs phonon lattice.

Continuous-wave highly-efficient low-divergence terahertz wire lasers.

Correlating Photoluminescence and Structural Properties of Uncapped and GaAs-Capped Epitaxial InGaAs Quantum Dots.

Continuous-wave laser operation of a dipole antenna terahertz microresonator.

Systematic Study of Ferromagnetism in CrSbTe Topological Insulator Thin Films using Electrical and Optical Techniques.

Spatiotemporal continuum generation in polariton waveguides.

Frequency-tunable continuous-wave random lasers at terahertz frequencies.