Niels Lörch
ContactDepartment of PhysicsUniversity of Basel Klingelbergstrasse 82 CH4056 Basel, Switzerland

Research Interests
Quantum Optics, Optomechanics, Trapped Ions, SynchronizationShort CV
20052010: Diplom in Physics at University of Heidelberg. Thesis Advisors: Dr. Sandro Wimberger and Prof. Berge Englert (CQT Singapore)20112015: PhD in Physics under supervision of Prof. Klemens Hammerer at Leibniz University and Albert Einstein Institute in Hannover
2015present: Postdoc in the group of Prof. Christoph Bruder at University of Basel
Nanophysics Lecture
Lecture Notes 2Exercise 2
Lecture Notes 3
Exercise 3
Publications
Show all abstracts.1.  Interactioninduced timesymmetry breaking in driven quantum oscillators 
Mark I. Dykman, Christoph Bruder, Niels Lörch, and Yaxing Zhang. arxiv:1805.12545 (2018)  
2.  Unravelling nonclassicality in the optomechanical instability 
Martin Koppenhöfer, Christoph Bruder, and Niels Lörch. arxiv:1805.06193 (2018)  
3.  Optimal work extraction from quantum states by photoassisted Cooper pair tunneling 
Niels Lörch, Christoph Bruder, Nicolas Brunner, and Patrick P. Hofer. arxiv:1802.10572 (2018)  
4.  Quantum effects in amplitude death of coupled anharmonic selfoscillators 
Ehud Amitai, Martin Koppenhöfer, Niels Lörch, and Christoph Bruder. Phys. Rev. E 97, 052203 (2018)  
5.  Quantum synchronization blockade: Energy quantization hinders synchronization of identical oscillators 
N. Lörch, S. Nigg, A. Nunnenkamp, R. Tiwari, and C. Bruder. Phys. Rev. Lett. 118, 243602 (2017)  
6.  Synchronization of an optomechanical system to an external drive 
E. Amitai, N. Lörch, A. Nunnenkamp, S. Walter, and C. Bruder. Phys. Rev. A 95, 053858 (2017)  
7.  Robust quantum optimizer with full connectivity 
S. Nigg, N. Lörch, and R. Tiwari. Science Advances, Vol. 3, no. 4 (2017)  
8.  Optomechanical SelfOscillations in an Anharmonic Potential: Engineering a Nonclassical Steady State 
M. Grimm, C. Bruder, and N. Lörch. J. Opt. 18, 094004 (2016)  
9.  Genuine quantum signatures in synchronization of anharmonic selfoscillators 
N. Lörch, E. Amitai, A. Nunnenkamp, and C. Bruder. Phys. Rev. Lett. 117, 073601 (2016)  
10.  Quantum Algorithmic Readout in MultiIon Clocks 
M. Schulte, N. Lörch, I.D. Leroux, P.O. Schmidt, and K. Hammerer. Phys. Rev. Lett. 116, 013002 (2016)  
11.  SubPoissonian phonon lasing in threemode optomechanics 
N. Lörch and K. Hammerer. Phys. Rev. A 91, 061803(R) (2015)  
12.  Laser Theory for Optomechanics: Limit Cycles in the Quantum Regime 
N. Lörch, J. Qian, A. Clerk, F. Marquardt, and K. Hammerer. Phys. Rev. X 4, 011015 (2014)  
13.  Precision spectroscopy by photonrecoil signal amplification 
Y. Wan, F. Gebert, J.B. Wuebbena, N. Scharnhorst, S. Amairi, I.D. Leroux, B. Hemmerling, N. Lörch, K. Hammerer, and P.O. Schmidt. Nature Communications 5, 3096 (2014)  
14.  Wavefunctionrenormalization effects in resonantly enhanced tunneling 
N. Lörch, F.V. Pepe, H. Lignier, D. Ciampini, R. Mannella, O. Morsch, E. Arimondo, P. Facchi, G. Florio, S. Pascazio, and S. Wimberger. Phys. Rev. A 85, 053602 (2012)  
15.  Longlived qubit from three spin1/2 atoms 
R. Han, N. Lörch, J. Suzuki, and B.G. Englert. Phys. Rev. A 84, 012322 (2011)  
16.  Timeresolved measurement of LandauZener tunneling in different bases 
G. Tayebirad, A. Zenesini, D. Ciampini, R. Mannella, O. Morsch, E. Arimondo, N. Lörch, and S. Wimberger. Phys. Rev. A 82, 013633 (2010) 