Peter Eder
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Quantum Dissipative Search via Lindbladians Open
Closed quantum systems follow a unitary time evolution that can be simulated on quantum computers. By incorporating non-unitary effects via, e.g., measurements on ancilla qubits, these algorithms can be extended to open-system dynamics, su…
View article: Controllable and Reproducible Growth of Transition Metal Dichalcogenides by Design of Experiments
Controllable and Reproducible Growth of Transition Metal Dichalcogenides by Design of Experiments Open
Controllable and reproducible synthesis of 2D materials is crucial for their future applications. Chemical vapor deposition (CVD) promises scalable and high‐quality growth of 2D materials. However, to optimize CVD growth, multiple paramete…
Synthesis of a Semiconducting 2D Material for Novel Strong PUFs Open
The exponentially growing number of interconnected devices in the Internet of Things poses an increasing amount of challenges to the field of cyber security and encryption. For authenticated use and communication, each device must securely…
Organic and carbon nanotube electronics for flexible nanoscale high-frequency circuits and physical unclonable function Open
Thin films of carbonaceous materials, such as organic semiconductors and carbon nanotubes, continue to show promise for various novel electronics applications, especially where flexibility and large-area processing are important factors. I…
<i>In situ</i> tunable nonlinearity and competing signal paths in coupled superconducting resonators Open
We have fabricated and studied a system of two tunable and coupled nonlinear\nsuperconducting resonators. The nonlinearity is introduced by galvanically\ncoupled dc-SQUIDs. We simulate the system response by means of a circuit model,\nwhic…
Parity-Engineered Light-Matter Interaction Open
The concept of parity describes the inversion symmetry of a system and is of fundamental relevance in the standard model, quantum information processing, and field theory. In quantum electrodynamics, parity is conserved and large field gra…
Compact 3D quantum memory Open
Superconducting 3D microwave cavities offer state-of-the-art coherence times and a well-controlled environment for superconducting qubits. In order to realize at the same time fast readout and long-lived quantum information storage, one ca…
Scalable 3D quantum memory Open
Superconducting 3D microwave cavities offer state-of-the-art coherence times and a well controlled environment for superconducting qubits. In order to realize at the same time fast readout and long-lived quantum information storage, one ca…
Finite-time quantum correlations of propagating squeezed microwaves Open
Two-mode squeezing is a fascinating example of quantum entanglement manifested in cross-correlations of incompatible observables between two subsystems. At the same time, these subsystems themselves may contain no quantum signatures in the…
Photon Statistics of Propagating Thermal Microwaves Open
In experiments with superconducting quantum circuits, characterizing the photon statistics of propagating microwave fields is a fundamental task. We quantify the n^{2}+n photon number variance of thermal microwave photons emitted from a bl…
Flux-driven Josephson parametric amplifiers: Hysteretic flux response and nondegenerate gain measurements Open
Josephson parametric amplifiers (JPA) have become key devices in quantum science and technology with superconducting circuits. In particular, they can be utilized as quantum-limited amplifiers or as a source of squeezed microwave fields. H…
Displacement of Propagating Squeezed Microwave States Open
Displacement of propagating quantum states of light is a fundamental operation for quantum communication. It enables fundamental studies on macroscopic quantum coherence and plays an important role in quantum teleportation protocols with c…
Ultrastrong coupling in two-resonator circuit QED Open
We report on ultrastrong coupling between a superconducting flux qubit and a resonant mode of a system comprised of two superconducting coplanar stripline resonators coupled galvanically to the qubit. With a coupling strength as high as 17…