News about Quantum physics

Clara Celeste Qvotrup

Title: Deflecting waveguides for three-dimensional quantum photonic integrated circuits Supervisor: Leonardo Midolo

New invention keeps qubits of light stable at room temperature

Researchers from University of Copenhagen have developed a new technique that keeps quantum bits of light stable at room temperature instead of only working at -270 degrees. Their discovery saves power and money and is …

Miren Lamaison Vidarte

Title: Photonic Control-Phase gate based on emitters with chiral interactions Supervisor: Anders Søndberg Sørensen

Mikkel Thorbjørn Mikkelsen

Title: Multiphoton and heralded entanglement sources for applications in quantum cryptography Supervisors: Peter Lodahl, Ravitej Uppu

Physics students train on IBM Quantum technology

The Niels Bohr Institute will start training future generations of quantum physicists, next winter, when undergraduate students in the physics program will take courses that include using IBM's cloud-based quantum…

Iñigo Lara Izcue

Towards percolation-based quantum computing with a photonic machine gun Supervisor: Anders S. Sørensen

Carlos Fernando Duarte Faurby

Title: Frequency conversion of single photons for long distance quantum communication Supervisors: Leonardo Midolo, Xiaoyan Zhou, Beatrice da Lio

Adam Søsted Knorr

Title: Spectroscopy of Advanced Integrated Nanophotonic Devices and Quantum Dots Supervisors: Peter Lodahl, Ravitej Uppu

Karsten Bjerrum Dideriksen

A room-temperature single-photon source with built-in memory Supervisor: Prof. Eugene S. Polzik

Mathias Jakob Rønne Staunstrup

Title: Measuring the quantum dot induced phase shift of light transmitted through a nanophotonic waveguide Supervisors: Peter Lodahl, Hanna Le Jeannic, Nir Rotenberg

Simon Refshauge Pabst

Title: Towards Spin-Multiphoton Entanglement from a Quantum Dot Supervisors: Peter Lodahl, Alexey Tiranov

Two young researchers from the Niels Bohr Institute receive Villum Young Investigator grants

Two young researchers from the Niels Bohr Institute, Morten Kjærgaard and Charlotte Mason, are among the beneficiaries this year and their research reaches across the spectrum the smallest to the largest, i.e. from…

Major breakthrough: Copenhagen researchers can now achieve 'quantum advantage'

University of Copenhagen researchers have developed a chip that, with financial backing, could be scaled up and used to build the quantum simulator of the future. Their results are now published in Science Advances.

Lasse Stampe Frølich

Title: Controlling Single-Photon Generation With Nano-Mechanical Devices Supervisor: Leonardo Midolo

Caroline Munck Nielsen

Title: Dispersion Measurements and Frequency Comb Generation in A Si3N4 Microring Resonator Supervisors: Jorg Helge Muller, Asbjørn Arvad Jørgensen, Martin Romme Henriksen, Jan Westenkær Thomsen

Maria Skak Vestergaard Larsen

Title: Cold Strontium Atoms Coupled to an Optical Cavity Supervisors: Stefan A. Schaffer, Sofus L. Kristensen, Mikkel Tang, Jörg H. Müller, and Jan W. Thomsen

Freja Thilde Pedersen

Deterministic Single and Multi-Photon Sources with antum dots in Planar Nanostructures Supervisor: Peter Lodahl

Bastian Bakkensen

Title: Photon-Photon Interactions in Waveguides Supervisor: Anders Søndberg Sørensen

Physicists and chemists join forces to develop quantum simulators of the future

Two Centers of Excellence, the Center for Hybrid Quantum Networks and the Center for Quantum Devices at the Niels Bohr Institute recently received a large grant from the Novo Nordisk Foundation’s Challenge Program to…

Albert Schliesser awarded fellowship at the Optical Society of America

Optical Society of America awards a number of scientists the honor of a fellowship. The award honors the individual new fellow and the contribution he/she has made to the field of optics and photonics or achievements…

Photon turnstile brings order to light

With the creation of a turnstile for light in glass fibers, quantum optics researchers from Germany, Denmark and Austria have succeeded in directly converting laser light in optical fibers into a single file of isolated…

Rodrigo A. Thomas

Optical spin-mechanics quantum interface: entanglement and back-action evasion Supervisor: Prof. Eugene S. Polzik

Anton Lauenborg Andersen

Quantum Key Distribution and Entanglement Distribution with Satellite Links Supervisor: Anders Søndberg Sørensen

Cecilie Toftdahl Olesen

Efficient Generation of Pure and Indistinguishable Single Photons Supervisors: Peter Lodahl and Ravitej Uppu