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.

Tuesday 11th September

ORALS

Time

Topic

Presenting author

Title

 

09.00-9.40

 

S. Schartner, Technical University of Vienna (INVITED)

Probing the photonic band structure by resonant responsivity enhancement in QWIPs.

09.40-10.00

QWIPS

C. Koeniquer, University of Paris

Quantum Cascade Detector at 5 micrometers.

10.00-10.20

Chair:
M. Vitiello

G. Bahir Technion Institute, Israel

Quantum Cascade NIR-detection at room temperature in GaN/AlN heterostructure.

10.20-10.40

 

 

H. Schneider, Forschungszentrum Dresden

Quadratic autocorrelation and photocurrent saturation study in two-photon QWIPs.

 

10.40-11.00

 

 

 

 

Coffee

11.00-11.40

 

H. E.Beere, Cavendish Lab, Cambridge (INVITED)

MBE for THz QCL

 

11.40-12.00

 

G. Scalari, University of Neuchâtel

Laser emission at 830 and 960 GHz from quantum cascade structures.

 

12.00-12.20

THz QCL I

S. Kumar, Massachusetts Institute of Technology

Terahertz quantum-cascade lasers with resonant-phonon depopulation: high-temperature and low-frequency operation.

 

12.20-12:40

Chair:
A. Wacker

R. P. Green, Scuola Normale Superiore, Pisa

Time resolved photocurrent measurements of terahertz QCLs.

 

12.40-13:00

 

M. S. Vitiello, University of Bari

Demonstration of high wall plug efficiency THz QCLs: investigation of the optical, electronic and thermal performance.

1-2 pm

Lunch

 

 

 

 

 

 

 

Boat     trip

from Low Wood Jetty

 

 

 

 

 

4 pm

 

 

 

16.00-16.20

 

G. Scamarcio, University of Bari

Thermal and electronic analysis of GaInAs/AlInAs mid-IR QCLs.

 

16.20-16.40

 

MID-IR and

Z. Liu, Princeton University

Temperature-dependent Gain and Loss in Room-temperature Continuous-wave Quantum Cascade Lasers between 8.2-10.3 μm.

 

16.40-17.00

THz QCLs

M. Giehler, Paul Drude Insitute, Berlin

Mode behaviour, waveguide losses, and gain of two-sectioned, coupled-cavity GaAs/(Al,Ga)As terahertz and mid-infrared quantum-cascade lasers.

 

17.00-17.20

Chair:
E.E.Orlova

H. Luo, National Research Council, Ottawa

THz-QCLs based on three-well active modules and injection barrier effects on device performance.

 

 5.20-5.40pm

 

Tea

 

and

 

Refreshments

 

17.40-18.00

 

I. Waldmueller, Sandia National Laboratories, New Mexico

Who needs population inversion? Automatically phase-matched quantum coherence contributions as a source for THz radiation.

 

18.00-18.20

Intersubband

Phenomena and Fundamentals II

 

 

A. B. Hummel, Physikalisches Institut, Frankfurt

 

Ultrafast Fiske Effect and the Question of Chaotic Electron Motion Semiconductor Superlattices.

 

 

18.20-18.40

Chair:
C.Sirtori

A. Seilmeier, University of Bayreuth, Germany

Coherent Intersubband Excitations on a Picosecond Time Scale.

18.40-1900

 

S. A. Tarasenko, IOFFE Institute, St Petersburg

Circular Photon Drag Effect in Quantum Wells