Selected papers and profiles

Designs microwave pulses from the reflection zeros of a coupled qubit circuit to load a chosen mode while reducing energy reflected into a shared control line. Circuit simulations show substantially less excitation of neighboring qubits than equal-energy Gaussian pulses.

Provides a procurement framework that matches quantum hardware and access models to an institution’s teaching and research needs. It connects platform choice to staffing, facilities, operating costs, and upgrade plans.

Introduces shaped chirped pulses that sample a device’s scattering response along a measured path in the complex-frequency plane. These measurements can test competing resonance models and reveal the net winding of poles and zeros inside a closed path.

Assesses atomic and diamond quantum magnetometers for detecting corrosion, stress, and electrical faults in infrastructure. The review connects sensor performance to stand-off distance, calibration, noise rejection, and the requirements of field inspection.

Maps the skills and evidence needed to take flat-optics devices from a design model through fabrication, testing, packaging, and qualification. Worked examples connect this development process to course assignments and workforce training.

Derives a pole–zero design rule for a full 2π phase rotation at a fixed scattering amplitude. It provides two routes to amplitude-stable phase control: shaped complex-frequency excitation and coordinated tuning of resonator parameters.

Argues that university quantum systems should let students trace how an ideal circuit becomes a physical measurement. The comment makes instructional access and hardware transparency central to purchasing decisions.

Reviews how engineered electromagnetic environments can reduce unwanted qubit decay and support controlled coupling in superconducting processors. It connects metamaterial design with cryogenic materials, coherence, and scalable quantum-circuit architectures.

Brings together the theory and experiments of complex-frequency excitation across wave physics. It explains how temporal pulse shaping can emulate gain or loss and control scattering, energy capture, and wave propagation without changing a material’s composition.

Uses complex-frequency signals to access resonant poles that conventional harmonic scattering measurements can miss. The analysis demonstrates conversion of nonoscillating excitation into an oscillating response in radio-frequency and optical models.

Shows how pulses matched to complex reflection zeros can selectively store energy in coupled resonators. In the modeled three-resonator system, the method reaches 92–95% storage efficiency while suppressing crosstalk relative to Gaussian excitation.

Reviews the materials, loss mechanisms, and circuit architectures behind long-lived superconducting cavity and qubit states. It connects three-dimensional microwave resonators with bosonic encoding and the engineering challenges of multi-qubit systems.

Proposes Fano-shaped qubit responses for compact nonreciprocal quantum circuits. Quantum simulations predict isolation up to 40 dB and a bandwidth near 200 MHz, offering a route to planar alternatives to bulky magnetic isolators.

Shows that tailored, time-dependent excitation can exceed scattering bounds derived for steady monochromatic illumination. The result establishes a route to extreme transient scattering responses in passive nanoparticles.

Combines coherent illumination with a bound state in the continuum to control polarization across the full Poincaré sphere. Terahertz experiments demonstrate efficient, dynamic polarization conversion in a silicon photonic-crystal slab.

Demonstrates an electrically reprogrammable phase-change metasurface with reversible, nonvolatile optical states. The device achieves an 80% absolute reflectance contrast and electrically switches the direction of a diffracted beam.

Experimentally maps magnetic skyrmion textures generated by localized spoof plasmons. Their topology persists when the supporting structure is deformed, suggesting compact field patterns for flexible electromagnetic devices.

Reviews how refraction, meta-optics, and moiré engineering control polaritons in atomically thin materials. It connects these approaches to nanoscale imaging, sensing, and optical circuitry.

Reviews how coherent absorption, exceptional points, metamaterials, and other wave effects can improve wireless energy transfer. It connects these physical mechanisms to the trade-offs between transfer efficiency, range, and stability.

Experimentally demonstrates twist-controlled transitions in the dispersion of polaritons in α-MoO₃ bilayers. At photonic magic angles, light propagates with strongly reduced diffraction, extending twistronics to nanoscale optics.

Unifies unusual scattering effects through the poles and zeros of the scattering matrix. The review connects perfect absorption, bound states in the continuum, exceptional points, and nonradiating states within a common design framework.

Introduces coherent receiver-side excitation to improve antenna matching and increase transferred power. Theory, full-wave simulations, and near- and far-field experiments demonstrate control through the phase and amplitude of an auxiliary signal.

Explains how interference between incident waves can control complete absorption in a linear optical system. The review connects the underlying theory with realizations in planar structures, waveguides, graphene, and quantum systems.