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Prof Wolfgang W Langbein


Prof Wolfgang W Langbein Position:Head of Condensed Matter and Photonics Email:LangbeinWW ( at )
Telephone:+44 (0)29 208 70172

Research Interests

My current research interests are (i) characterisation and ultrafast spectroscopy of semiconductor nanostructures, microcavities, and quantum-dot optical amplifiers. (ii) application of optical spectroscopy to life-science, focussing on the techniques of coherent anti-stokes Raman scattering (CARS) microscopy, fluorescent resonant transfer, label-free optical biosensors using microcavities, and statistical analysis of individual quantum emitters such as colloidal quantum dots. For more information see
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Measures of Esteem

Royal Society Leverhulme Trust Senior Research Fellow
Fellow of the Learned Society of Wales

Conference Organisation:
Program Committee Member OECS 2015 (2015)
Session Chair Quantum Optics Photon 14 (2014)
Program Committee Member UK Semiconductors 2013
Session Chair Quantum Optics Photon 12 (2012)
Program Committee Member UK Semiconductors 2012
Program Committee Member QD2010 (2010)

Recent Invited International Conference Talks:
Femtosecond non-linear spectroscopy and microscopy from quantum coherence to cell structure
W.Langbein, Lead Speaker, Rank Prize Symposium on Semiconductor Nano-Photonics for Quantum Information Science, 23-26/09/2013, Grasmere, UK
Ultrafast coherent exciton nonlinearities and dynamics in individual quantum dots - phonons, coherent coupling, and cavity quantum electrodynamics
W.Langbein, Plenary Talk, OECS13, 8-13/09/2013, Rome, Italy
Ultrafast coherent exciton dynamics in individual quantum dots - phonons, coherent coupling, and CQED
W.Langbein, DPG Spring Meeting, 13/03/2013, Regensburg, Germany
Nonlinear Optical Microscopy
W. Langbein, International School Of Physics "Enrico Fermi": Microscopy applied to Biophotonics (3 Lectures, Varenna, Italy 12-22 July 2011)
Imaging spectroscopy applied to microcavity polaritons Coherent nonlinear dynamics of quantum dots in micropillar cavities in the strong coupling regime
W. Langbein, Conference on Cold Atoms, Semiconductor Polaritons and Nanoscience, POLATOM ESF research networking programme (2 Lectures, Chersonissos, Crete, Greece, May 2 - 6, 2011)
Two-dimensional nonlinear imaging of quantum dots: Polarization dynamics & Coherent coupling
W.Langbein and J.Kasprzak, Fundamental Optical Processes in Semiconductors (FOPS) Conference, 01-05 August 2011, Lake Junaluska, North Carolina.

I am a member of the DPG (Germany), the OSA (USA), SPIE, and the Institute of Physics (UK)

I was external PhD examiner in University of Lund (Sweden), EPF Lausanne (Switzerland), Universite Fourier, Grenoble (France)


I hold first- and second-year tutorials, and supervise 3rd and 4th year project students.


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I was born in W├╝rzburg, Germany, in 1968. I received my Diploma in physics from the University of Kaiserslautern in 1992, and my PhD in physics from the University of Karlsruhe in 1995. From 1995 to 1998, I was assistant research professor at the Mikroelektronik Centret, Denmark. From 1998 to 2004, I was with the University of Dortmund, where I received my Habilitation in 2003. In 2004 I was appointed Senior Lecturer in the School of Physics, Cardiff University, promoted to Reader in 2006 and to Personal Chair in 2007.

Postgraduate Students

I'm presently (co-)supervising four post-doctoral fellows and four post-graduate students.