News about Quantum physics

Gabija Kiršanske

Electrical control of excitons in semiconductor nanostructures: from quantum dots in photonic-crystal devices to the exciton Mott transition in coupled quantum wells Supervisor: Prof. Peter Lodahl and Assoc. Prof. Søren…

Heidi Lundgaard Sørensen

A WAVEGUIDE PLATFORM FOR COLLECTIVE LIGHT-ATOM INTERACTION Principal supervisor: Prof. Eugene S. Polzik

Sofus L. Kristensen

Doppler-Free Cavity Enhanced Spectroscopy of Molecular Iodine Supervisors: Sigrid Skovbo Adsersen and Jan Westenkær Thomsen

Jean-Baptiste Sylvain Béguin

A one-dimensional quantum interface between a few atoms and weak light Principal supervisor: Prof. Eugene S. Polzik

Marius Gaudesius

Towards entanglement generation between Cesium-133 atomic ensemble and nanomechanical membrane resonator Supervisor: Prof. Eugene S. Polzik

Mark Rudner receives ERC grant of nearly 12 million kroner

Mark Rudner, associate professor in Condensed Matter Physics at the Niels Bohr Institute at the University of Copenhagen, has received a grant from the European Research Council, an ERC Starting Grant of 1.5 million…

Photons open the gateway for quantum networks

There is tremendous potential for new information technology based on light (photons), and quantum technology based on photons – called quantum photonics, will be able to hold much more information than current computer…

Kilian W. Kluge

Characterization of collective spin states in atomic ensembles trapped around tapered nanofibers Supervisor: Jörg H. Müller

Luca Dellantonio

Entanglement criteria for Spin Squeezing

Eugene Polzik receives ERC grant

Eugene Polzik, professor and head of the Center for Quantum Optics, Quantop at the Niels Bohr Institute at the University of Copenhagen has received a grant of nearly 1.2 million kroner (150,000 Euro) from the European…

Hjalte Frellesvig

Spin-squeezing in Bose-Einstein condensates Supervisor: Anders Søndberg Sørensen

Quantum networks: Back and forth are not equal distances!

Researchers from the Niels Bohr Institute have discovered a new type of photonic channels, where back and forth are not equal distances! Such a system has been a missing component for building quantum photonic circuits…

Christine Pepke Pedersen

Characterizing thermal properties of tapered nano fibers Supervisors: Jörg H. Müller & Jürgen Appel

Morten Herskind

Cavity QED in Ultra-Cold Strontium Atoms Supervisor: Jan Westenkær Thomsen

Peter Lodahl receives prestigious ERC Advanced Grant

Peter Lodahl, professor and head of the Quantum Photonics research group at the Niels Bohr Institute, has received a large and prestigious grant from the European Research Council, the ERC Advanced Grant.

Super sensitive measurement of magnetic fields in swinging atoms

There are electrical signals in the nervous system, the brain and throughout the human body and there are tiny magnetic fields associated with these signals that could be important for medical science.

Quantum link between QDev in Denmark and QuTech in Holland

The Center for Quantum Devices, QDev at the Niels Bohr Institute at the University of Copenhagen and QuTech at Delft University of Technology in Holland have therefore entered into an international partnership in the…

Malte Darling Dueholm

Dissipative quantum phase transitions in ion traps

Quantum mechanic frequency filter for atomic clocks

In an atomic clock, electrons jumping from one orbit to another decides the clock’s frequency. To get the electrons to jump, researchers shine light on the atoms using stabilised laser light. However, the laser light ha…

Alisa Javadi

Quantum electrodynamics with 1D arti cial atoms: from Purcell enhancement to single-photon nonlinearities Supervisor: Prof. Peter Lodahl

Jan W. Thomsen receives annual teaching award at NBI

“For more than five years, Jan Thomsen has captivated class after class as he takes students on a journey into the world of optics,” reads the justification from the students for recommending Jan Thomsen for the Niels…

New superconducting hybrid crystals developed at the University of Copenhagen

A new type of ‘nanowire’ crystals that fuses semiconducting and metallic materials on the atomic scale could lay the foundation for future semiconducting electronics. Researchers at the University of Copenhagen are…

Atoms queue up for quantum computer networks

In order to develop future quantum computer networks, it is necessary to hold a known number of atoms. To do this, researchers from NBI have developed a method with a trap that captures the atoms along an ultra thin…

Florentin Reiter

Dissipative preparation of entanglement in quantum optical and solid state systems Academic advisor: Anders S. Sørensen