ITQW07 The Ninth International Conference on Intersubband Transitions in Quantum Wells
Sunday 9th-Friday 14th September 2007
Ambleside, Cumbria, U.K.

ITQW 07 Programme

Day 1 Day 2 Day 3 Day 4 Day 5
Click on the titles to download the PDF abstracts.

Monday 10th September




Presenting author




P. Harrison, University of Leeds, UK

Welcome and opening remarks



Chris Phillips, Imperial College, London. U.K. (INVITED)

Intersubband Transitions: their Physics and their Future.


Intersubband Phenomena and Fundamentals

A. Vasanelli, University Paris Diderot, France

Polaritonic emission from an electrically injected semiconductor device.


R.W. Kelsall

H. Choi, University of Michigan

Dynamics of Photon-driven Electron Transport in InGaAs/InAlAs Quantum Cascade Lasers



I. Savić, University of Leeds

Density matrix description of transport and gain in quantum cascade lasers in a magnetic field







R. Teissier, CNRS/Uinversité Montpellier (INVITED)

Short wavelength InAs-based QC Lasers


Near- and

Q. Yang, Fraunhofer Institute

High quantum-efficiency GainAs/Al(Ga)AsSB quantum cascade lasers for the 3-5 μm



D. Revin, University of Sheffield

Short Wavelength and Strain Compensated InGaAs/AlAsSb Quantum Cascade Laseres


S. Hoefling

M. Semtsiv, Humboldt University, Berlin

Inter-Valley Charge Transfer in Short-Wavelength InGaAs-AlAs Quantum Cascade Lasers



K. J. Franz, Princeton University

Cascaded Emission from Excited State Mid-Infrared Quantum Cascade Lasers

l-2 pm








M. I. Amanti, University of Neuchâtel

Study and improvement of THz Quantum Cascade laser beam-pattern for different waveguides  configurations.



Cavities and Applications

E. Orlova, Instit. for Physics of Microstructures, N. Novgorod.


Directivity of sub-wavelength wire lasers.



G. scamarcio

Y. Chassagneux, Universite Paris-Sud


Sub-wavelength optical mode volumes for terahertz quantum cascade lasers.



A. Benz, University of Technology, Vienna

Photonic crystals used as resonators for terahertz quantum-cascade lasers.







C. A. Evans, University of Leeds

Thermal modelling of THz quantum cascade lasers.



A. M. Andrews, Technical University of Vienna

Performance Dependence on Doping of THz Quantum-Cascade Lasers.



J. Freeman, University of Cambridge

Frequency tuning of THz bound-to-continuum QCLs.



N. V. Demarina, Nizhny Novgorod State University

Time scale for the semiclassical terahertz gain in a semiconductor superlattice with optically excited charge carriers.


Posters I


R. Terazzi, University of Neuchâtel

Transport models for quantum cascade lasers.


5.20-7 pm

and drinks

N. Péré-Laperne, Ecole normale supérieure, Paris

LO-phonon emission by hot electrons in terahertz quantum cascade lasers.



J. R. Gao, SRON, Netherlands

Characterize THz quantum cascade lasers for local oscillator.



W. Parz, Technical University of Vienna

Time domain spectroscopy of quantum cascade lasers: Gain clamping, spectral narrowing and short pulse circulation.



E. Mujagić, Technical University of


Doping density dependent performance of short-wavelength InP-based quantum-cascade lasers.




M. D’Souza, University of Wisconsin-Madison

Deep-Well GaAs-InGaAs-AlGaAs Quantum-Cascade-Laser Design for Room-Temperature Operation at 6.8 μm.



L. Q. Khai, Ajou University, South Korea

A Novel Band Structure Calculation for the Quantum Cascade Lasers with Conduction Band Nonparabolicity Effect.



F. Choa, University of Maryland

High Growth Temperature Studies of InAlAs/InGaAs Superlattices for High Performance QCL Applications.



M. V. Kisin, SUNY, New York

Electrically tuneable quantum cascade laser.



S. S. Howard, Princeton University

Current Injection Transition Broadening in Quantum Cascade Lasers.



M. Wagner, Institute of Beam Physics and Materials Research, Dresden


Two-colour pump-probe spectroscopy of electron dynamics in doped superlattices.






Posters I


D Barate, Scuola Normale Superiore, Pisa

InAs/AlSb structures for giant Rabi splitting of intersubband polaritons.

5.20-7 pm

and drinks

R. Steed, Imperial College, London

Optical Saturation of QW Intersubband Transitions in the Valence Band.



J. B. Khurgin, Johns Hopkins University, Baltimore

Intersubband Devices Operating in the Restrahlen Region.



A. Leuliet, Univ. Paris

Modelling of Transport in Quantum Cascade Lasers and comparison with experiments.



M. F. Pereira, Sheffield Hallam University

Controlling bosonic effects in light intersubband-excitation coupling in nanostructures.



V. A. Harutyunyan, University of Armenia

Intersubband optical transitions in semiconductor cylindrical nanolayer in the presence of radial electrical field.



L. V. Gavrilenko, Instit. for Physics of Microstructures, N. Novgorod.

Intersubband dipole electron transitions involving donor resonant states in quantum wells.



S.P. Khanna, University of Leeds, Leeds, U.K.

Optimisation of the growth of terahertz quantum cascade lasers.



G. Isić, University of Belgrade

Anisotropy of spin-dependent electron transport in nonmagnetic resonant tunnelling structures.



P. Dahan, Ruppin Academic Center, Israel

Spin-Selective Tunnelling in Deep Donor States of Interstitial Mn Impurity in GaAs Quantum Well.



H. Diehl, University of Regensburg

Magneto-Gyrotropic Photocurrents Induced by Intersubband Transitions in Quantum Wells.



E. Dupont, Institute for Microstructural Sciences, Ontario

Giant vacuum-field Rabi splitting of intersubband transitions.




J. Radovanovic, University of Belgrade,

Contibution of electron-electron Interactions to the total electron Scatteirng rates in Quantum Cascade Laser in Magnetic fields.



I. D’Amico, University of York

Interplay between spin Coulomb drag and spin-orbit coupling in intersubband spin plasmons in quantum wells.



Z. Ikonić, University of Leeds

Interdiffusion effects on hole intersubband absorption in complex GaAs/AlGaAs quantum well structures.

Latest news


J. Heinrich, Technische Physik, Universitat Wurzburg, Germany

GaAs/AlGaAs quantum cascade lasers with different Aluminium content and heterogeneous cascades.

Laestest News


J.Semmel,Technische Physik, Universitat Wurzburg, Germany

Tapered Quantum Cascade Lasers