IQCLSW 2010
PROGRAM
SCHOOL
Mon. Aug. 30th
08 :30
WORKSHOP
Tue. Aug. 31
C. Gmachl
Wed. Sep 1.
M. Helm
Thu. Sep 2.
High performance
Mid-infrared QC
lasers
Fri. Sep 3
Applications and
industrial
Developments (I)
H.C. Liu
R. Colombelli
Coffee break
Coffee break
Coffee break
Coffee break
J. Faist
P. Boucaud
Modeling and
simulation
Applications and
industrial
Developments (II)
S. Bartalini
M. Tamargo
Lunch break
Lunch break
THz Quantum
Cascade Lasers
Novel devices and
integrated
functionalities
Coffee break
END
09 :00
09 :30
10 :00
10 :30
11 :00
Arrival
and Registration
11 :30
12 :00
12 :30
R. Teissier
13 :00
13 :30
14 :00
E.Linfield
Coffee break &
POSTER
session 2
G. Scamarcio
15 :30
D. Wiersma
16 :00
Coffee break
16 :30
F. Capasso
17 :00
17 :30
Lunch break
Welcome
J. Cockburn
14 :30
15 :00
Lunch break
Coffee break &
POSTER
session 1
S. Kumar
Free Evening &
Guided tour in
Florence
Plasmonics &
High frequency
modulation
18 :00
18 :30
19 :00
20 :30
Free Evening
Free Evening
Gala dinner
Monday 30th August
11:00 – 1:30pm : Morning arrival and registration
SCHOOL on quantum cascade lasers
1:45-2:00pm G. Strasser and C. Sirtori: Welcome and Opening remarks
Chair: G. Strasser (TU Vienna)
2:00-3:00pm J. Cockburn: Overview on QC lasers
3:00-4:00pm G. Scamarcio: Phonon related phenomena in quantum cascade lasers
4:00-4:30pm Coffee break
Chair: C. Sirtori (Univ. Paris Diderot)
4:30-5:30pm F. Capasso: New frontiers in Quantum Cascade Lasers: Physics and
Applications
5:30-6:30pm S. Kumar: THz QC lasers: recent progress and future challenges
Free evening
Tuesday 31th August
SCHOOL on quantum cascade lasers
Chair: J. Cockburn (Univ. Sheffield)
8:30-9:30am C. Gmachl : Mid-InfraRed Technologies for Health and the Environment
(MIRTHE)
9:30-10:30am HC Liu: QWIP – overview and topics relevant to QCLs
10:30-11:00am Coffee break
Chair: M. Helm (FZD)
11:00-12:00am J. Faist: Circuits based QC lasers
12:00am-1:00pm S. Bartalini: Intrinsic frequency fluctuations of mid-IR QCLs:
measurements, analysis and perspectives
1:00-2:30pm LUNCH BREAK
Chair: M. Vitiello (CNR Italy)
2:30-3:30pm E. Linfield: Growth of QC lasers
3:30-4:30pm D. Wiersma: The physics of light propagation in disordered structures
and its use in lasers
4:30-7:00pm Coffee break and POSTER SESSION 1
Free evening
Wednesday 1th September
SCHOOL on quantum cascade lasers
Chair: Q. Hu (MIT)
8:30-9:30am M. Helm: The basic physics of intersubband transitions - from the
simple to the subtle
9:30-10:30am R. Colombelli: Photonic crystal quantum cascade lasers
10:30-11:00am Coffee break
Chair: H.C. Liu (NRC)
11:00-12:00am P. Boucaud : Intersublevel transitions in quantum dots
12:00am-12:30am M. Tamargo: Wide bandgap II-VI selenides on InP for short
wavelength intersubband devices
12:30am-1:00pm R. Teissier : InAs/AlSb quantum cascade lasers
1:00pm-2:00pm LUNCH BREAK
2:00-4:30pm Coffee break and POSTER SESSION 2
Free afternoon with possibility of guided tour of Florence
Thursday 2nd September
WORKSHOP on quantum cascade lasers
High performance Mid-infrared QC lasers (8:30am-10:30am)
Chair: J. Faist (ETH Zurich)
8:30-8:50am M. Troccoli (AdTech Optics): Quantum Cascade Lasers : high power
emission and single mode operation across the mid-IR
8:50-9:10am K. Fujita (Hamamatsu): Homogeneous, Broad-gain Quantum cascade
lasers based on dual-upper-state design
9:10-9:30am P. Q. Liu (MIRTHE): High performance quantum cascade lasers with
ultra-strong coupling injection
9:30-9:50am D. Botez (Univ. of Wisconsin-Madison): Electron-Leakage Suppression
for High-Performance, Mid-Infrared QC and Intersubband Quantum Box Lasers
9:50-10:10am Alexei Tsekoun (Pranalytica): Challenges and solutions for integration
of QCLs into real-world systems
10:10-10:30am D. Revin (Univ. Sheffield): High performance short wavelength
InGaAs/AlAs(Sb) quantum cascade lasers
10:30-11:00am Coffee break
Modeling and simulation (11:00am-1:00pm)
Chair: G. Bastard (ENS-Paris)
11:00-11:20am R. Terazzi (ETH, Zurich) A density matrix model for QCLs
11:20-11:40am T. Kubis (Purdue University) Prediction of novel and efficient THz
quantum cascade laser
11:40-12:00am E. Dupont (NRC, Ottawa) A simplified density matrix model for
terahertz quantum cascade lasers based on resonant phonon scattering
12:00-12:20am A. Wacker (Lund University) Routes for improvement of THz QCLs
12:20-12:40am M. Pereira (Sheffield Hallam) Advances in QCL simulation and
possible new solutions for lasing without inversion
12:40-13:00am C. Jirauschek (TU Munchen) Monte Carlo analysis of carrier-light
coupling in quantum cascade lasers
1:00pm-2:30pm LUNCH BREAK
Quantum cascade THz lasers (2:30pm-4:30pm)
Chair: G. Scalari (ETH Zurich)
2:30pm-2:50pm K. Unterrainer (TU Vienna) Phase-resolved time domain studies of
quantum cascade lasers
2:50pm-3:10pm
M. Fischer (ETH Zurich) : Scattering processes in THz
InGaAs/InAlAs quantum cascade lasers
3:10pm-3:30pm
Q. Hu (MIT): Tunable THz wire laser
3:30pm-3:50pm B. Williams (UCLA) : Zero-Index Terahertz Quantum-Cascade
Metamaterial Lasers
3:50pm-4:10pm T. Kao (MIT): Phased arrays of surface emitting THz QCLs
4:10pm-4:30pm S. Barbieri (Paris Diderot) : Coherent synthesis of terahertz
quantum cascade laser emission
4:30-5:00pm Coffee break
Plasmonics and high frequency modulation (5:00pm-7:00pm)
Chair: R. Colombelli (University Paris Sud)
5:00-5:20pm R. Blanchard (Harvard): Highly collimated multi-beam QCLs using offaxis multi-directional plasmonic lenses
5:20-5:40pm M.I. Amanti (ETH Zurich): Third order distributed feedback waveguide
for THz QCLs
5:40-6:00pm E. Mujagic (TU Vienna): Quantum cascade laser arrays based on
surface emitting ring cavities
6:00-6:20pm P. Gellie (Paris Diderot): RF-injection-locking of THz QCLs
6:20-6:40pm A. Tredicucci (NEST Pisa) : Engineering distributed feedback THz
quantum cascade lasers for vertical emission
6:40-7:00pm A. Bousseksou (Paris Sud) : Semiconductor Surface Plasmon Sources
8:30pm GALA DINNER
Friday 3rd September
WORKSHOP on quantum cascade lasers
Applications and industrial developments I (8:30am-10:30am)
Chair: A. Tsekoun (Pranalytica)
8:30-8:50am V. Spagnolo (Univ. Bari) Trace gas sensing with quantum cascade
lasers
8:50-9:10am M. Pushkarsky (Daylight Solutions) Applications and recent
developments of commercialized external cavity quantum cascade lasers (ECqcL™)
9:10-9:30am H.-W. Hübers (German Aerospace Center (DLR)): High-resolution gas
phase spectroscopy with a distributed feedback terahertz quantum cascade laser
9:30-9:50am L. Hildebrandt (Nanoplus): New approaches in structuring frequency
selective gratings
9:50-10:10am F. Fuchs (Fraunhofer) Imaging Stand-Off Detection of Explosives by
Quantum Cascade Laser based Backscattering Spectroscopy
10:10-10:30am K. Lascola (Maxion Technologies): Strained active region QCLs in
the 7.4–7.9-µm wavelength region
10:30-11:00am Coffee break
Applications and industrial developments II (11:00am-1pm)
Chair: M. Allen (PSI)
11:00-11:20am X. Marcadet (III-V labs): Quantum Cascade Lasers for Defense And
Security applications
11:20-11:40am A. Muller (Alpes Lasers): Broadband Quantum Cascade Lasers: an
enabling technology
11:40-12:00am R. Blanchard (Harvard): Highly collimated multibeam QCLs using off
axis multidirectional plasmonic lenses
12:00-12:20am R. Degl’ Innocenti (NEST Pisa): Differential Scanning Optical
Microscopy with THz a quantum cascade laser source
12:20-12:40am W. Ritter (QuantaRed Technologies): QCLs on an oil platform.
Development and application of the first commercial analyzer for liquid phase
(ERACHECK™)
12:40-1:00pm J.R. Gao (Delft University): Terahertz heterodyne spectrometer using
a quantum cascade laser
1:00pm-2:30pm LUNCH BREAK
Novel devices and integrated functionalities (2:30-4:30pm)
Chair: K. Unterrainer (TU Vienna)
2:30pm-2:50pm S. Laurent (Paris Diderot): Integrated distributed feedback quantum
cascade laser – modulator using vertically coupled cavities
2:50pm-3:10pm M. Andrews (TU-Wien) : InGaAs/GaAsSb/InP Material System for
MIR and THz Quantum Cascade lasers
3:10pm-3:30pm N. Jukam (ENS Paris): Terahertz amplifier based on gain switching
in a quantum cascade laser
3:30pm-3:50pm G. Giuliani (Univ. Pavia): The linewidth enhancement factor of
Quantum Cascade Lasers can be non-zero: experimental results by the self-mixing
interferometric technique
3:50pm-4:10pm M. Wanke (Sandia): Measuring THz QCL feedback using an
integrated monolithic transceiver
4:10pm-4:30pm M. Belkin (University of Texas at Austin): Photoacoustic microscopy
with quantum cascade lasers
END OF WORKSHOP
Poster Session 1
1. F. Carosella, R. Ferreira, G. Strasser, K. Unterrainer and G. Bastard: Inter-subband
magneto-optical transitions in multiple QW structures with disordered thin barriers
2. A. Kolek, G. Hałdaś, and I. Tralle: Numerical simulations of mid-infrared QCL with NEGF
3. G. Beiji, Z. Ikonić, C. A. Evans, D. Indjin, P. Harrison: Density matrix modelling of ambipolar
dual-wavelength GaAs/AlGaAs terahertz quantum cascade laser
4. J. Radovanović, S. Ramović, V. Milanović, Z. Ikonić, D. Indjin: Advanced dispersion
engineering for metamaterial applications by using quantum cascade laser in strong
magnetic field
5. F.-R. Jasnot, L.-A. de Vaulchier, Y. Guldner, A. Vasanelli, C. Sirtori, M. Beck and J. Faist:
THz inter-Landau level emission in a quantum cascade structure
6. Y. Dikmelik, J. B. Khurgin, P. Q. Liu, M. D. Escarra, and C. F. Gmachl: Injection Coupling
and Current Leakage in Mid-infrared Quantum Cascade Lasers
7. A. Delteil, A. Vasanelli, P. Jouy, D. Barate, J. C. Moreno, R. Teissier, A. Baranov and C.
Sirtori: LO-Phonon Scattering of Cavity Polaritons in an Electroluminescent Device
8. D. Burghoff, D. Ban, S. Kumar, Q. Hu, J. L. Reno: Gain measurements of terahertz quantumcascade lasers with metal-metal waveguides
9. J. Madéo, N. Jukam, D. Oustinov, R. Rungsawang, S. S. Dhillon, R. Colombelli, P. Dean, M.
Salih, S. P. Khanna, E. Linfield, A. G. Davies and J. Tignon: Terahertz time domain
spectroscopy of phonon – depopulation based quantum cascade lasers
10. L. Nevou, V. Liverini, P Friedli, F. Castellano, A. Bismuto, H. Sigg, F. Gramm, E. M. Gubler
and J. Faist: Optically driven electron pump using InAs quantum dots
11. M. Giehler, M. Wienold, L. Schrottke, R. Hey, H. T. Grahn, S. Winnerl, H. Schneider, S.
Pavlov, and H.-W. Hübers: Bistable transport characteristics and domain formation in
electrically driven THz quantum-cascade structures under optical pumping in the mid-infrared
region
12. M. Geiser, C. Walther, G. Scalari, M. Beck, M. Fischer, L. Nevou and J. Faist: THz
Intersubband polaritons in LC-resonator structures at room temperature
13. M. Brandstetter, A. Benz, C. Deutsch, K. Unterrainer, P. Klang, H. Detz, W. Schrenk, A. M.
Andrews, G. Strasser: THz quantum cascade lasers with superconducting niobium doublemetal waveguides
14. M. Martl, D. Dietze, J. Darmo, C. Deutsch, A. Benz, M. Brandstetter,K. Unterrainer, P. Klang,
A. M. Andrews, W. Schrenk, G. Strasser, and E. Gornik: Investigation of Double Metal THz
Quantum Cascade Lasers by Terahertz Time-domain Spectroscopy
15. P. Friedli, H. Sigg, R. Terazzi, A. Wittmann, and J. Faist: Time-resolved Gain Measurement
of Mid-IR Quantum Cascade Laser Devices using Broadband Synchrotron Radiation
16. P. Jouy, Y. Todorov, A. Vasanelli, R. Colombelli, I. Sagnes, G. Biasiol, L. Sorba and C.
Sirtori: Metal gratings for mid-infrared intersubband polaritons
17. D. Barate, E. Benveniste, S. Laurent, A. Vasanelli, M. Carras, X. Marcadet and C. Sirtori:
Gain, losses and temperature in MIR QCL by wavelength chirping spectroscopy
18. Pierre M. Bouzi, Peter Q. Liu, and Claire Gmachl: Investigation of Low T0 in Strong
Coupling Quantum Cascade Lasers
19. P. Dean, Y. Leng Lim, S. P. Khanna, M. Lachab, R. Kliese, M. Nikolic, Z. Ikonic, D. Indjin, P.
Harrison, A. D. Rakić, E. H. Linfield, and A. Giles Davies : Self-mixing sensor based on a
terahertz quantum cascade laser
20. G. Sevin, D. Fowler, G. Xu, F.H. Julien, R. Colombelli, S.P. Khanna, E. H. Linfield, A.G.
Davies, H. Beere, D. Ritchie : Optimisation of surface emitting THz photonic-crystal QC
lasers
21. E. Strupiechonski, D. Grassani, D. Fowler, F.H. Julien, R. Colombelli, S.P. Khanna, E.H.
Linfield, A.G. Davies : Extreme vertical, sub-wavelength mode confinement THz quantum
cascade lasers
22. A. Calvar, J. Teissier, S. Laurent, C. Manquest, I. Sagnes, G. Beaudoin and C. Sirtori :
Integrated quantum cascade laser high speed modulator
Poster Session 2
1. A. K. Wójcik, N. Yu, L. Diehl, F. Capasso and A. Belyanin: Mode synchronization and
multistability in quantum cascade lasers
2. A. Benz, Ch. Deutsch, G. Fasching, K. Unterrainer, A. M. Andrews, P. Klang, W. Schrenk
and G. Strasser: Tuning of Photonic Crystal Quantum-Cascade Lasers
3. A. Bismuto, R. Terazzi, M. Beck, and J. Faist: Electrically tunable, high performance
quantum cascade laser
4. C. Deutsch, A. Benz, H. Detz, M. Nobile, A. M. Andrews, P. Klang, W. Schrenk, G. Strasser,
and K. Unterrainer: THz Quantum Cascade Laser realized in the InGaAs/GaAsSb Material
System
5. C. Schwarzer, E. Mujagić, M. Nobile, H. Detz, S. Ahn, W. Schrenk, J. Chen, C. Gmachl, and
G. Strasser: Strategies for Coherent Coupling of Ring Cavity Surface Emitting Intersubband
Lasers
6. C. W. I. Chan, S. Kumar, Q. Hu, J. L. Reno: A 1.8 THz Quantum Cascade Laser operating
up to 163 K
7. D. Turčinková, G. Scalari, M. I. Amanti, M. Beck, and J. Faist: Broadband laser emitting from
2 to 3THz with heterogeneous structure
8. K. Kosiel, A. Szerling, M. Bugajski, P. Karbownik, J. Kubacka-Traczyk, A.Barańska, A.
Wójcik-Jedlińska, M.Wasiak, E. Pruszyńska-Karbownik, A. Trajnerowicz, D. Pierścińska:
GaAs/AlGaAs (~9.4 μm) Quantum Cascade Lasers Operating at the Room-Temperature
and Their Technology
9. M. Salih, P. Dean, J. Cunningham, S. P. Khanna, L. Li, A. Valavanis, A. G. Davies, and E. H.
Linfield: Three-well, resonant-phonon depopulation, quantum cascade lasers with thinned
active regions and surface-plasmon waveguides
10. Q. K. Yang, S. Hugger, F. Fuchs, R. Ostendorf, R. Aidam, R. Lösch, W. Bronner, and J.
Wagner: High power quantum cascade lasers and modules using multi-emitter beam
combining
11. R.J. Walker, Mid-Infrared Quantum Cascade Laser: linear and non linear high resolution
spectroscopy
12. S. I. Ahn, M. Nobile, E. Mujagić, C. Schwarzer, H. Detz, A. M. Andrews, W. Schrenk and G.
Strasser: Phase-induced Beam steering of Y-coupled quantum cascade lasers
13. S. Cibella, M. Ortolani, G. Torrioli, R. Leoni: A superconducting microbolometer with
microsecond time constant coupled to quantum cascade lasers
14. S. Badhwar, J. R. Freeman, A. Brewer, H. E. Beere, D. A. Ritchie: Inter-sub-stack layers in
heterogeneous terahertz quantum cascade lasers
15. S. Glitsch, M. Nägele and J. Röpcke: QCL AS Based Industrial Trace-Gas Analyzer for
Phosgene Detection
16. V. Liverini, A. Bismuto, L. Nevou, M. Beck and J. Faist: InAs/AlInAs QDash cascade
structures emitting in the mid-IR
17. Y. Yao, X. Wang, J. Fan, W. O. Charles, T. Tsai, J. Chen, G. Wysocki and C. F. Gmachl:
High performance broadband Quantum Cascade laser gain media
18. P. Fuchs, F. Walther, J. Seufert, L. Hildebrandt, J. Koeth, J. Friedel, S. Höfling and L.
Worschech: Monolithic multi-segment quantum cascade lasers exhibiting wide single mode
tuning range
19. Y. Ren, P.J. de Visser, J.N. Hovenier, W.Zhang, P. Khosropanah, J.R. Gao, T.M. Klapwijk,
S.C. Shi, T-Y. Kao, S. Kumar, Q. Hu, and J. L. Reno, THz surface emitting distributed
feedback QCL operated at 70 K as local oscillator
20. Daniele Costantini, Adel Bousseksou, Raffaele Colombelli, A. Babuty, I Doyen, Y. De Wilde
C. Sirtori, A. Accard, G-H. Duan, I. Sagnes : Towards the generation of surface plasmon
polaritons by electrical injection at telecom wavelengths
21. G. Xu, A. Bousseksou, G. Sevin, R. Colombelli, G. Patriarche, G. Beaudoin, I. Sagnes,
I. Moldovan Doyen, Y. De Wilde : Surface-emitting mid-infrared photonic crystal quantum
cascade lasers