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Welcome to the Quantum Measurement Lab!

We pursue a combination of experimental and theoretical research to explore the foundations of physics and develop powerful new quantum technologies. Our current research interests include:

  • quantum optomechanics
  • quantum photonics
  • hybrid quantum systems
  • quantum sensing
  • the quantum-to-classical transition
  • the interface of quantum mechanics and gravity

View our twitter account @QMeasLab




News

  • Jun 2020: New publication: Our paper "Generating mechanical and optomechanical entanglement via pulsed interaction and measurement", has been published in New Journal of Physics! Many congratulations Jack, Paulo, Kiran, Igor, and Myungshik! This work was also featured by Physics World with a research update interview.

  • Jun 2020: Graduation: Many congratulations Dr Georg Enzian who has successfully completed his PhD! Georg, as a founding member of our team, you have been instrumental to our discovery of exciting new seas and your voice continues to help keep our course true. All the very best with your postdoc in Copenhagen and do visit us in London soon! Link to photos.

  • May 2020: Funding news: Together with Malcolm Connolly's semiconductor physics group, we have been awarded a £1.6M EPSRC Strategic Capital Equipment grant to establish a dilution refrigerator facility! Looking forward to utilizing these new capabilities!

  • Apr 2020: Check out Sofia Qvarfort's blog VIP@UNI, which aims to help people with visual impairments to study at university and improve their higher-education experiences. You can also listen to her latest podcast here. You're an inspiration Sofia!

  • Mar 2020: Heng Shen completes his fellowship with our team and is now starting his own group in the State Key Laboratory of Quantum Optics, Shanxi University, China. Many congratulations and very best wishes Heng!

  • Jan 2020: Dr Sofia Qvarfort has been awarded an EPSRC Doctoral Prize Fellowship and joins our team for her first postdoc after completing her PhD in the Serafini and Bose groups at UCL. Welcome aboard Sofia!

  • Nov 2019: Lydia Kanari Naish joins our team for her PhD. Welcome aboard Lydia!

  • Oct 2019: Graduation: Many congratulations Timo Sommer who has successfully completed his MSc! All the very best with your PhD ahead in Munich!

  • Oct 2019: Funding news: Our lab has been awarded a Royal Society Research Grant!

  • Sep 2019: Funding news: Our lab has been awarded a £1.6M grant via the UKRI Future Leaders Fellowship scheme! For more information, see the Imperial College London news item. Link to photos.

  • Jul 2019: New publication: Our paper "Quantum Hypercube States", has been published in Phys. Rev. Lett.! Many congratulations Lewis, Till, Farid, Josh, Andrew, and Martin!

  • Jun 2019: Andreas is awarded the best student talk at the AMOLF Nanophotonics Summer School. Many congratulations Andreas! Link to photos.

  • Apr 2019: Timo Sommer joins our team for his MSc. Herzlich willkommen Timo!

  • Mar 2019: Graduation: Many congratulations Dr Magdalena Szczykulska who has successfully completed her PhD! Very well done Magda on all of your excellent research outputs. All the very best with your future and you will be greatly missed in our group! Link to photos.

  • Jan 2019: New publication: Our paper "Observation of Brillouin optomechanical strong coupling with an 11 GHz mechanical mode", has been published in Optica! This experiment is the first to report Brillouin optomechanical strong coupling to high frequency phonons. Many congratulations Georg and Magda, and our collaborators at the National Physical Laboratory!

  • Nov 2018: Funding news: Together with our local collaborator Steve Kolthammer, we have been awarded an EPSRC-funded Early-Career Capital Grant to purchase some ultra-high-efficiency superconducting single photon counters!

  • Oct 2018: Graduation: Andreas Svela and Niall Moroney have completed their MSc degrees! Many congratulations Andreas and Niall and all the very best with your PhD research ahead!

  • Sep 2018: Funding news: Our lab, together with many researchers across the UK, has been awarded an STFC staging proposal "Quantum Sensors for Fundamental Physics"!

  • Sep 2018: New publication: Our paper "Growing macroscopic superposition states via cavity quantum optomechanics", has been published in Quantum Science and Technology! Many congratulations Jack on your excellent first paper!

  • Aug 2018: Lars Freisem joins our team for his PhD. Herzlich willkommen Lars!

  • Jul 2018: Niall Moroney, John Price, and Andreas Svela join our team as MSc + PhD students! Welcome aboard Niall and John! Velkommen Andreas! Niall, John, and Andreas are part of the Quantum Systems Engineering Skills and Training Hub. Niall and Andreas will work closely with our collaborators in the Microphotonics Research Laboratory, NPL, Teddington and John will work closely with our collaborator Josh Nunn from the University of Bath. Very best wishes for your research guys!

  • May 2018: New publication: Our paper "Displacemon electromechanics: how to detect quantum interference in a nanomechanical resonator", has been published in Phys. Rev. X! Many congratulations Kiran, Natalia, and Edward! We're looking forward to continuing our collaboration!

  • May 2018: Michael has been awarded Australia's National Measurement Institute Prize for his "outstanding contributions to precision measurement in the emerging new field of cavity quantum optomechanics"! The NMI Prize is awarded annually on the 20th of May—world metrology day—which celebrates the 1875 metre convention. Link to photos.

  • May 2018: New publication: Our paper "Generation of mechanical interference fringes by multi-photon counting", has been published in New Journal of Physics! Our work made the first experimental observation of mechanical interference fringes and theoretically proposes how to generate Schrodinger cat states of mechanical motion by projection onto optical NOON states. Many congratulations Martin, Till, Lewis and Andrew—our collaborators from the quantum technology lab in Brisbane!

  • Apr 2018: Dr Heng Shen has been awarded a Royal Society Newton International Fellowship and joins our team after completing his PhD and postdoc in the Polzik and Blatt groups, respectively. Huanying Heng!

  • Apr 2018: Dr Kiran Khosla joins our team for his first postdoc after completing his PhD in the Milburn group in Brisbane. Welcome aboard Kiran!

  • Mar 2018: Paulo Sahium joins our team as a visiting undergraduate. Bem-vindo Paulo!

  • Jan 2018: Jack Clarke is awarded an EPSRC scholarship, after his MPhys at the University of Oxford, and continues with our team for his PhD at Imperial! Congratulations Jack - it's great to have you aboard!

  • Jan 2018: New publication: Our paper "Quantum magnetomechanics: Towards the ultrastrong coupling regime", has been published in Phys. Rev. B! Many congratulations Erick and team!

  • Nov 2017: New publication: Our paper "Quantum optomechanics beyond the quantum coherent oscillation regime", has been published in Optica! Many congratulations Kiran and team!

  • Aug 2017: New publication: Our paper "Amplified transduction of Planck-scale effects using quantum optics", has been published in Phys. Rev. A! Many congratulations Pasquale, Saurya, and Igor!

  • Jul 2017: Graduation: Jack Clarke completes his masters project "Generating quantum superposition states of mechanical vibration using light" and is awarded the Gibbs prize for his MPhys year. Fantastic work Jack!

  • Jun 2017: We are moving to Imperial College London! We are looking forward to setting up and working in our new lab in South Kensington!

  • Oct 2016: New publication: Our paper "Arbitrary multi-qubit generation", which introduces a technique how to synthesize multi-qubit states of light, has been published in New Journal of Physics! Many congratulations Farid, Austin, and Tim!

  • Aug 2016: Jack Clarke joins our team for his masters project. Welcome aboard Jack!

  • Jul 2016: Magdalena Szczykulska joins our team for her PhD. Welcome aboard Magda!

  • Jun 2016: New publication: Our paper "Quantum and classical phases in optomechanics", has been published in Phys. Rev. A! This work sheds light on what fraction of the signal is non-classical in the Marshall et al and the Pikovski et al proposals. Many congratulations Federico, Ludovico, Igor, Caslav, and Myungshik!

  • Jun 2016: Zhe Xian Koong joins our team as a summer student. Selamat datang Zak!

  • May 2016: New publication: Our paper "Non-classical state generation in macroscopic systems via hybrid discrete-continuous quantum measurements", has been published in Phys. Rev. A! This work proposes how to generate non-classical states of mechanical motion using single phonon addition/subtraction and QND quadrature measurements. That was fun Tom and Myungshik!

  • May 2016: New publication: Our paper "A quantum optomechanical interface beyond the resolved sideband limit", has been published in New Journal of Pysics! Well done James and team!

  • Mar 2016: New publication: Our paper "Nonlinear optomechanical measurement of mechanical motion", has been published in Nature Communications! Building on an earlier theoretical proposal, this work is one of the first experiments to observe the nonlinearity of the optomechanical interaction and perform position-squared measurements of a mechanical oscillator. Many congratulations George Brawley and team!

  • Mar 2016: Georg Enzian joins our team for his PhD. Herzlich willkommen Georg!

  • Mar 2016: Together with our collaborators in Oxford Materials, we have been awarded an EPSRC Quantum Technologies Stategic Capital Award. We're looking forward to setting up our new lab!