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ULTRAQCL

Ultrashort Pulse Generation from Terahertz Quantum Cascade Lasers

Total Cost €

EC-Contrib. €

Partnership

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Outcomes and
results

ULTRAQCL project word cloud

Explore the words cloud of the ULTRAQCL project. It provides you a very rough idea of what is the project "ULTRAQCL" about.

grown spectral intense spectrum proven generating breakthrough chip thz ultraqcl gain compensation curiosity bandwidth locked dispersion passive sciences generation nonlinear laboratory starting physical tool engineered sapphire modelocked realised benchmark cascade device self schemes technological nature suitable crystals optical frequency ultrafast terahertz frequencies excitation switches gap fundamental hybrid speed imaging impressive semiconductor little bandstructure sectors pulses communications mode light ubiquitous platform interactions biological broadband hence radical photoconductive electromagnetic emission entirely pulse lasers chemical industrial switched practical width plethora domains underpinning ti modulation metrology foundational quantum first qcl broad benefit destructive powers qcls laser

Project "ULTRAQCL" data sheet

The following table provides information about the project.

Coordinator	CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE CNRS Organization address address: RUE MICHEL ANGE 3 city: PARIS postcode: 75794 website: www.cnrs.fr contact info title: n.a. name: n.a. surname: n.a. function: n.a. email: n.a. telephone: n.a. fax: n.a.
Coordinator Country	France [FR]
Project website	http://www.ultraqcl.eu
Total cost	2˙798˙445 €
EC max contribution	2˙798˙445 € (100%)
Programme	1. H2020-EU.1.2.1. (FET Open)
Code Call	H2020-FETOPEN-2014-2015-RIA
Funding Scheme	RIA
Starting year	2015
Duration (year-month-day)	from 2015-10-01 to 2019-03-31

Partnership

Take a look of project's partnership.

#	participants	country	role	EC contrib. [€]
1	CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE CNRS CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE CNRS Organization address address: RUE MICHEL ANGE 3 city: PARIS postcode: 75794 website: www.cnrs.fr contact info title: n.a. name: n.a. surname: n.a. function: n.a. email: n.a. telephone: n.a. fax: n.a.	FR (PARIS)	coordinator	630˙155.00
2	UNIVERSITY OF LEEDS UNIVERSITY OF LEEDS Organization address address: WOODHOUSE LANE city: LEEDS postcode: LS2 9JT website: www.leeds.ac.uk contact info title: n.a. name: n.a. surname: n.a. function: n.a. email: n.a. telephone: n.a. fax: n.a.	UK (LEEDS)	participant	742˙318.00
3	CONSIGLIO NAZIONALE DELLE RICERCHE CONSIGLIO NAZIONALE DELLE RICERCHE Organization address address: PIAZZALE ALDO MORO 7 city: ROMA postcode: 185 website: www.cnr.it contact info title: n.a. name: n.a. surname: n.a. function: n.a. email: n.a. telephone: n.a. fax: n.a.	IT (ROMA)	participant	620˙537.00
4	UNIVERSITAET REGENSBURG UNIVERSITAET REGENSBURG Organization address address: UNIVERSITATSSTRASSE 31 city: REGENSBURG postcode: 93053 website: http://www.uni-regensburg.de/ contact info title: n.a. name: n.a. surname: n.a. function: n.a. email: n.a. telephone: n.a. fax: n.a.	DE (REGENSBURG)	participant	464˙295.00
5	UNIVERSITE PARIS-SUD UNIVERSITE PARIS-SUD Organization address address: RUE GEORGES CLEMENCEAU 15 city: ORSAY CEDEX postcode: 91405 website: www.u-psud.fr contact info title: n.a. name: n.a. surname: n.a. function: n.a. email: n.a. telephone: n.a. fax: n.a.	FR (ORSAY CEDEX)	participant	341˙138.00

Map

Project objective

The generation of ultrafast and intense light pulses is an underpinning technology across the electromagnetic spectrum enabling the study of fundamental light-matter interactions, as well as industrial exploitation in a plethora of applications across the physical, chemical and biological sciences. A benchmark system for such studies is the modelocked Ti:Sapphire laser, which has grown from being a laboratory curiosity to an essential tool in a broad range of application sectors. Beyond Ti:Sapphire systems, there have been impressive developments in semiconductor based devices for pulse generation in the optical range. These benefit from low system costs and are an enabling technology in new application domains including high speed communications.

However, in the terahertz (THz) frequency range, with its proven applications in imaging, metrology and non-destructive testing, a semiconductor based technology platform for intense and short pulse generation has yet to be realised. Ultrafast excitation of photoconductive switches or nonlinear crystals offer only low powers, low frequency modulation or broadband emission with little control of the spectral bandwidth.

In the ULTRAQCL project we will breakthrough this technological gap, using THz quantum cascade lasers (QCLs) as a foundational semiconductor device for generating intense and short THz pulses. QCLs are the only practical semiconductor system that offer gain at THz frequencies, hence making them suitable for pulse generation, with the ‘bandstructure-by-design’ nature of QCLs allowing the frequency, bandwidth and pulse width to be entirely engineered. We will demonstrate: the first self-starting (passive) mode-locked THz QCL; the first hybrid modelocked THz QCL; the first gain-switched modelocked QCL; and, the first pulse generation in QCLs with on-chip dispersion compensation. The ULTRAQCL project will implement these radical schemes for pulse generation enabling ultrafast QCLs to become a ubiquitous technology for the THz range.

Deliverables

List of deliverables.
Passive intracavity mode-locking with polaritonic saturable absorber	Documents, reports	2019-12-12 09:52:13
Technology showcase event	Websites, patent fillings, videos etc.	2019-12-12 09:52:13
Lasing SIT-QCL devices	Documents, reports	2019-12-12 09:52:13
Measurement of saturation powers and lifetimes in Ge:As	Documents, reports	2019-12-12 09:52:13
Workshop at international QCL school	Websites, patent fillings, videos etc.	2019-12-12 09:52:13
ULTRAQCL website	Websites, patent fillings, videos etc.	2019-12-12 09:52:13
High field system for THz range	Documents, reports	2019-12-12 09:52:13
Generation of sub-10ps pulses	Documents, reports	2019-12-12 09:52:12
Realisation of THz polariton system	Documents, reports	2019-12-12 09:52:13
Antenna structures	Documents, reports	2019-12-12 09:52:12

Take a look to the deliverables list in detail: detailed list of ULTRAQCL deliverables.

Publications

List of publications.
year	authors and title	journal	last update
2019	Luigi Consolino, Annamaria Campa, Davide Mazzotti, Miriam Vitiello, Paolo De Natale, Saverio Bartalini Bow-Tie Cavity for Terahertz Radiation published pages: 1, ISSN: 2304-6732, DOI: 10.3390/photonics6010001	Photonics 6/1	2019-12-12
2018	P.B. Vigneron, F. Joint, N. Isac, R. Colombelli, E. Herth Advanced and reliable GaAs/AlGaAs ICP-DRIE etching for optoelectronic, microelectronic and microsystem applications published pages: 42-50, ISSN: 0167-9317, DOI: 10.1016/j.mee.2018.09.001	Microelectronic Engineering 202	2019-12-12
2018	Iman Kundu, Feihu Wang, Xiaoqiong Qi, Hanond Nong, Paul Dean, Joshua R. Freeman, Alexander Valavanis, Gary Agnew, Andrew T. Grier, Thomas Taimre, Lianhe Li, Dragan Indjin, Juliette Mangeney, JÃ©rÃ´me Tignon, Sukhdeep S. Dhillon, Aleksandar D. RakiÄ‡, John E. Cunningham, Edmund H. Linfield, A. Giles Davies Ultrafast switch-on dynamics of frequency-tuneable semiconductor lasers published pages: , ISSN: 2041-1723, DOI: 10.1038/s41467-018-05601-x	Nature Communications 9/1	2019-12-12
2017	S. Massabeau, M. Baillergeau, T. Phuphachong, C. Berger, W. A. de Heer, S. Dhillon, J. Tignon, L. A. de Vaulchier, R. Ferreira, J. Mangeney Evidence of Fermi level pinning at the Dirac point in epitaxial multilayer graphene published pages: , ISSN: 2469-9950, DOI: 10.1103/physrevb.95.085311	Physical Review B 95/8	2019-12-12
2017	Matthias Knorr, JÃ¼rgen Raab, Maximilian Tauer, Philipp Merkl, Dominik Peller, Emanuel Wittmann, Eberhard Riedle, Christoph Lange, Rupert Huber Phase-locked multi-terahertz electric fields exceeding 13â€‰â€‰MV/cm at a 190â€‰â€‰kHz repetition rate published pages: 4367, ISSN: 0146-9592, DOI: 10.1364/ol.42.004367	Optics Letters 42/21	2019-12-12
2019	JÃ¼rgen Raab, Christoph Lange, Jessica L. Boland, Ignaz Laepple, Martin Furthmeier, Enrico Dardanis, Nils Dessmann, Lianhe Li, Edmund H. Linfield, A. Giles Davies, Miriam S. Vitiello, Rupert Huber Ultrafast two-dimensional field spectroscopy of terahertz intersubband saturable absorbers published pages: 2248, ISSN: 1094-4087, DOI: 10.1364/oe.27.002248	Optics Express 27/3	2019-12-12
2017	K. Maussang, J. Palomo, J.-M. Manceau, R. Colombelli, I. Sagnes, L. H. Li, E. H. Linfield, A. G. Davies, J. Mangeney, J. Tignon, S. S. Dhillon Monolithic echo-less photoconductive switches as a high-resolution detector for terahertz time-domain spectroscopy published pages: 141102, ISSN: 0003-6951, DOI: 10.1063/1.4979536	Applied Physics Letters 110/14	2019-12-12
2018	Michele De Regis, Luigi Consolino, Saverio Bartalini, Paolo De Natale Waveguided Approach for Difference Frequency Generation of Broadly-Tunable Continuous-Wave Terahertz Radiation published pages: 2374, ISSN: 2076-3417, DOI: 10.3390/app8122374	Applied Sciences 8/12	2019-12-12
2017	B. Paulillo, S. Pirotta, H. Nong, P. Crozat, S. Guilet, G. Xu, S. Dhillon, L. H. Li, A. G. Davies, E. H. Linfield, R. Colombelli Ultrafast terahertz detectors based on three-dimensional meta-atoms published pages: 1451, ISSN: 2334-2536, DOI: 10.1364/optica.4.001451	Optica 4/12	2019-12-12
2017	L.H. Li, L. Chen, J.R. Freeman, M. Salih, P. Dean, A.G. Davies, E.H. Linfield Multi-Watt high-power THz frequency quantum cascade lasers published pages: 799-800, ISSN: 0013-5194, DOI: 10.1049/el.2017.0662	Electronics Letters 53/12	2019-12-12
2018	Luigi Consolino, Francesco Cappelli, Mario Siciliani de Cumis, Paolo De Natale QCL-based frequency metrology from the mid-infrared to the THz range: a review published pages: 181-204, ISSN: 2192-8614, DOI: 10.1515/nanoph-2018-0076	Nanophotonics 8/2	2019-12-12
2018	L.H. Li, K. Garrasi, I. Kundu, Y.J. Han, M. Salih, M.S. Vitiello, A.G. Davies, E.H. Linfield Broadband heterogeneous terahertz frequency quantum cascade laser published pages: 1229-1231, ISSN: 0013-5194, DOI: 10.1049/el.2018.6062	Electronics Letters 54/21	2019-12-12
2017	Feihu Wang, Hanond Nong, Tobias Fobbe, Valentino Pistore, Sarah Houver, Sergej Markmann, Nathan Jukam, Maria Amanti, Carlo Sirtori, Souad Moumdji, Raffaele Colombelli, Lianhe Li, Edmund Linfield, Giles Davies, Juliette Mangeney, JÃ©rÃ´me Tignon, Sukhdeep Dhillon Short Terahertz Pulse Generation from a Dispersion Compensated Modelocked Semiconductor Laser published pages: 1700013, ISSN: 1863-8880, DOI: 10.1002/lpor.201700013	Laser & Photonics Reviews 11/4	2019-12-12
2019	Katia Garrasi, Francesco P. Mezzapesa, Luca Salemi, Lianhe Li, Luigi Consolino, Saverio Bartalini, Paolo De Natale, A. Giles Davies, Edmund H. Linfield, Miriam S. Vitiello High Dynamic Range, Heterogeneous, Terahertz Quantum Cascade Lasers Featuring Thermally Tunable Frequency Comb Operation over a Broad Current Range published pages: 73-78, ISSN: 2330-4022, DOI: 10.1021/acsphotonics.8b01483	ACS Photonics 6/1	2019-12-12
2018	Michele De Regis, Saverio Bartalini, Marco Ravaro, Davide Calonico, Paolo De Natale, Luigi Consolino Room-Temperature Continuous-Wave Frequency-Referenced Spectrometer upÂ toÂ 7.5Â THz published pages: , ISSN: 2331-7019, DOI: 10.1103/physrevapplied.10.064041	Physical Review Applied 10/6	2019-12-12

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