Ultrashort Pulse Generation from Terahertz Quantum Cascade Lasers

Deliverables

High field system for THz range

Set-up dedicated high field system for THz range (0.5 to 4 THz) with tuneable fields of up to 100kV/cm

Lasing SIT-QCL devices

Lasing SIT-QCL devices based on interleaved cascades of gain and SIT heterostructures

Passive intracavity mode-locking with polaritonic saturable absorber

Generation of passive intracavity mode-locking with polaritonic saturable absorber

Measurement of saturation powers and lifetimes in Ge:As
Realisation of THz polariton system

Fabrication and experimental validation (FTIR) of the THz polariton system

Generation of sub-10ps pulses
Antenna structures

Realisation of antenna structures for WP3 and WP4

Technology showcase event

Technology Showcase event to demonstrate new technology

Workshop at international QCL school

Workshop to be organised at international QCL school

ULTRAQCL website

Realisation of ULTRAQCL website; continuously updated by the consortium

Publications

Engineered far-fields of metal-metal terahertz quantum cascade lasers with integrated planar horn structures

Author(s): F. Wang, I. Kundu, L. Chen, L. Li, E. H. Linfield, A. G. Davies, S. Moumdji, R. Colombelli, J. Mangeney, J. Tignon, S. S. Dhillon
Published in: Optics Express, Issue 24/3, 2016, Page(s) 2174, ISSN 1094-4087
Publisher: Optical Society of America
DOI: 10.1364/OE.24.002174

Echo-Less Photoconductive Antenna Sources for High-Resolution Terahertz Time-Domain Spectroscopy

Author(s): Kenneth Maussang, Anthony Brewer, Jose Palomo, Jean-Michel Manceau, Raffaele Colombelli, Isabelle Sagnes, Juliette Mangeney, Jerome Tignon, Sukhdeep S. Dhillon
Published in: IEEE Transactions on Terahertz Science and Technology, Issue 6/1, 2016, Page(s) 20-25, ISSN 2156-342X
Publisher: Institute of Electrical and Electronics Engineers
DOI: 10.1109/TTHZ.2015.2504794

Frequency and amplitude modulation of ultra-compact terahertz quantum cascade lasers using an integrated avalanche diode oscillator

Author(s): Fabrizio Castellano, Lianhe Li, Edmund H. Linfield, A. Giles Davies, Miriam S. Vitiello
Published in: Scientific Reports, Issue 6, 2016, Page(s) 23053, ISSN 2045-2322
Publisher: Nature Publishing Group
DOI: 10.1038/srep23053

Short Terahertz Pulse Generation from a Dispersion Compensated Modelocked Semiconductor Laser

Author(s): 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, Jérôme Tignon, Sukhdeep Dhillon
Published in: Laser & Photonics Reviews, Issue 11/4, 2017, Page(s) 1700013, ISSN 1863-8880
Publisher: Wiley - VCH Verlag GmbH & CO. KGaA
DOI: 10.1002/lpor.201700013

Bow-Tie Cavity for Terahertz Radiation

Author(s): Luigi Consolino, Annamaria Campa, Davide Mazzotti, Miriam Vitiello, Paolo De Natale, Saverio Bartalini
Published in: Photonics, Issue 6/1, 2019, Page(s) 1, ISSN 2304-6732
Publisher: MDPI
DOI: 10.3390/photonics6010001

QCL-based frequency metrology from the mid-infrared to the THz range: a review

Author(s): Luigi Consolino, Francesco Cappelli, Mario Siciliani de Cumis, Paolo De Natale
Published in: Nanophotonics, Issue 8/2, 2018, Page(s) 181-204, ISSN 2192-8614
Publisher: De Gruyter
DOI: 10.1515/nanoph-2018-0076

High Dynamic Range, Heterogeneous, Terahertz Quantum Cascade Lasers Featuring Thermally Tunable Frequency Comb Operation over a Broad Current Range

Author(s): 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
Published in: ACS Photonics, Issue 6/1, 2019, Page(s) 73-78, ISSN 2330-4022
Publisher: American Chemical Society
DOI: 10.1021/acsphotonics.8b01483

Ultrafast two-dimensional field spectroscopy of terahertz intersubband saturable absorbers

Author(s): Jürgen 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
Published in: Optics Express, Issue 27/3, 2019, Page(s) 2248, ISSN 1094-4087
Publisher: Optical Society of America
DOI: 10.1364/oe.27.002248

Advanced and reliable GaAs/AlGaAs ICP-DRIE etching for optoelectronic, microelectronic and microsystem applications

Author(s): P.B. Vigneron, F. Joint, N. Isac, R. Colombelli, E. Herth
Published in: Microelectronic Engineering, Issue 202, 2018, Page(s) 42-50, ISSN 0167-9317
Publisher: Elsevier BV
DOI: 10.1016/j.mee.2018.09.001

Waveguided Approach for Difference Frequency Generation of Broadly-Tunable Continuous-Wave Terahertz Radiation

Author(s): Michele De Regis, Luigi Consolino, Saverio Bartalini, Paolo De Natale
Published in: Applied Sciences, Issue 8/12, 2018, Page(s) 2374, ISSN 2076-3417
Publisher: MDPI
DOI: 10.3390/app8122374

Room-Temperature Continuous-Wave Frequency-Referenced Spectrometer up to 7.5 THz

Author(s): Michele De Regis, Saverio Bartalini, Marco Ravaro, Davide Calonico, Paolo De Natale, Luigi Consolino
Published in: Physical Review Applied, Issue 10/6, 2018, ISSN 2331-7019
Publisher: American Physical Society (APS)
DOI: 10.1103/physrevapplied.10.064041

Ultrafast switch-on dynamics of frequency-tuneable semiconductor lasers

Author(s): 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, Jérôme Tignon, Sukhdeep S. Dhillon, Aleksandar D. Rakić, John E. Cunningham, Edmund H. Linfield, A. Giles Davies
Published in: Nature Communications, Issue 9/1, 2018, ISSN 2041-1723
Publisher: Nature Publishing Group
DOI: 10.1038/s41467-018-05601-x

Broadband heterogeneous terahertz frequency quantum cascade laser

Author(s): L.H. Li, K. Garrasi, I. Kundu, Y.J. Han, M. Salih, M.S. Vitiello, A.G. Davies, E.H. Linfield
Published in: Electronics Letters, Issue 54/21, 2018, Page(s) 1229-1231, ISSN 0013-5194
Publisher: Institute of Electrical Engineers
DOI: 10.1049/el.2018.6062

Ultrafast terahertz detectors based on three-dimensional meta-atoms

Author(s): 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
Published in: Optica, Issue 4/12, 2017, Page(s) 1451, ISSN 2334-2536
Publisher: OSA
DOI: 10.1364/optica.4.001451

Monolithic echo-less photoconductive switches as a high-resolution detector for terahertz time-domain spectroscopy

Author(s): 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
Published in: Applied Physics Letters, Issue 110/14, 2017, Page(s) 141102, ISSN 0003-6951
Publisher: American Institute of Physics
DOI: 10.1063/1.4979536

Evidence of Fermi level pinning at the Dirac point in epitaxial multilayer graphene

Author(s): S. Massabeau, M. Baillergeau, T. Phuphachong, C. Berger, W. A. de Heer, S. Dhillon, J. Tignon, L. A. de Vaulchier, R. Ferreira, J. Mangeney
Published in: Physical Review B, Issue 95/8, 2017, ISSN 2469-9950
Publisher: American Physical Society (APS)
DOI: 10.1103/physrevb.95.085311

Phase-locked multi-terahertz electric fields exceeding 13 MV/cm at a 190 kHz repetition rate

Author(s): Matthias Knorr, Jürgen Raab, Maximilian Tauer, Philipp Merkl, Dominik Peller, Emanuel Wittmann, Eberhard Riedle, Christoph Lange, Rupert Huber
Published in: Optics Letters, Issue 42/21, 2017, Page(s) 4367, ISSN 0146-9592
Publisher: Optical Society of America
DOI: 10.1364/ol.42.004367

Multi-Watt high-power THz frequency quantum cascade lasers

Author(s): L.H. Li, L. Chen, J.R. Freeman, M. Salih, P. Dean, A.G. Davies, E.H. Linfield
Published in: Electronics Letters, Issue 53/12, 2017, Page(s) 799-800, ISSN 0013-5194
Publisher: Institute of Electrical Engineers
DOI: 10.1049/el.2017.0662

Deliverables

Publications

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