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ULTRAQCL

Financiado

Ultrashort Pulse Generation from Terahertz Quantum Cascade Lasers

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 o... ver más

31/03/2019

CNRS

3M€

Presupuesto del proyecto: 3M€

Líder del proyecto

CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE... No se ha especificado una descripción o un objeto social para esta compañía.

TRL 4-5

Ver 6 Participantes

Financiación concedida El organismo H2020 notifico la concesión del proyecto el día 2019-03-31

Línea de financiación objetivo El proyecto se financió a través de la siguiente ayuda:

FETOPEN-RIA-2014-2015: FET-Open research projects

I+D

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6 Participantes

CNRS

630.16K€ | Lider

INGO DEVICES

467.53K€ | Participante

CNR

620.54K€ | Participante

UNIVERSITE PARISSACLAY

341.14K€ | Participante

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Duración del proyecto: 46 meses Fecha Inicio: 2015-05-12
Fecha Fin: 2019-03-31

Presupuesto del proyecto 3M€

Descripción del proyecto 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.

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