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On CHip terahertz frequency Combs

Total Cost €


EC-Contrib. €






 CHIC project word cloud

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

inspection    terahertz    imaging    spectroscopy    domain    efforts    wireless    medical    spectral    create    linear    frequency    room    lasers    transform    heterodyne    spanning    signals    rulers    constitute    modes    last    local    independence    scene    communication    pave    lasing    optics    transmission    gate    foundation    revolutionizing    chip    qc    stabilization    moving    extremely    material    equally    physics    direct    safety    extended    spaced    fourier    rate    referencing    cooled    portion    dual    mid    electronics    region    electromagnetic    spectrum    dominated    detection    referenced    followed    frequencies    performed    bandwidth    resolution    act    groundbreaking    scheme    parts    compactness    sensitivity    precision    junction    octave    coherent    perfectly    metrology    stability    qcl    generation    cryogenically    data    comb    disruptive    powerful    optical    temperature    external    sensing    combs    detector    laser    demonstrated    intrinsic    extreme    ir    entering    appealing    thz    invasive    innovative    self      

Project "CHIC" data sheet

The following table provides information about the project.


Organization address
address: Raemistrasse 101
postcode: 8092

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 Switzerland [CH]
 Total cost 1˙999˙055 €
 EC max contribution 1˙999˙055 € (100%)
 Programme 1. H2020-EU.1.1. (EXCELLENT SCIENCE - European Research Council (ERC))
 Code Call ERC-2016-COG
 Funding Scheme ERC-COG
 Starting year 2017
 Duration (year-month-day) from 2017-03-01   to  2022-02-28


Take a look of project's partnership.

# participants  country  role  EC contrib. [€] 


 Project objective

The terahertz (THz) portion of the electromagnetic spectrum is the junction between optics and electronics. THz is a gate to sensing applications and spectroscopy as well as appealing for material inspection, non-invasive imaging for safety and medical applications and short-range high data rate wireless communication which are being extended to higher frequencies entering the THz range. Optical frequency combs have dominated the scene of laser physics in the last 10 years revolutionizing many fields of optics from metrology to high precision spectroscopy. Optical frequency combs act as rulers in the frequency domain and are characterized by their perfectly equally spaced and coherent modes. An extremely appealing application of optical frequency combs is the so-called dual-comb spectroscopy where multi-heterodyne detection is performed allowing Fourier transform spectroscopy with high resolution, high sensitivity and no moving parts. The objective of this proposal is to create on-chip, self-referenced frequency combs operating in the spectral region from 1.5-5-5 THz. Two main approaches will be followed: direct generation with THz QC lasers (cryogenically cooled) and room temperature non-linear generation by means of Mid-IR QCL combs. Such devices will be groundbreaking since they will allow high resolution THz spectroscopy and they will pave the way to high-rate local data transmission and coherent communication. We recently demonstrated octave spanning lasing from a THz QCL: this will constitute the foundation of our efforts. The developed combs will be implemented in the extremely powerful dual-comb scheme with innovative on-chip self-stabilization and detection of the multi-heterodyne signals. The self-referencing and the independence from an external detector makes the proposed devices disruptive due to their extreme compactness, intrinsic stability and large bandwidth.


year authors and title journal last update
List of publications.
2020 Andres Forrer, Lorenzo Bosco, Mattias Beck, Jérôme Faist, Giacomo Scalari
RF Injection of THz QCL Combs at 80 K Emitting over 700 GHz Spectral Bandwidth
published pages: 9, ISSN: 2304-6732, DOI: 10.3390/photonics7010009
Photonics 7/1 2020-01-30
2018 C. G. Derntl, G. Scalari, D. Bachmann, M. Beck, J. Faist, K. Unterrainer, J. Darmo
Gain dynamics in a heterogeneous terahertz quantum cascade laser
published pages: 181102, ISSN: 0003-6951, DOI: 10.1063/1.5049384
Applied Physics Letters 113/18 2019-10-08
2019 L. Bosco, M. Franckié, G. Scalari, M. Beck, A. Wacker, J. Faist
Thermoelectrically cooled THz quantum cascade laser operating up to 210 K
published pages: 10601, ISSN: 0003-6951, DOI: 10.1063/1.5110305
Applied Physics Letters 115/1 2019-09-04
2019 Francesco Cappelli, Luigi Consolino, Giulio Campo, Iacopo Galli, Davide Mazzotti, Annamaria Campa, Mario Siciliani de Cumis, Pablo Cancio Pastor, Roberto Eramo, Markus Rösch, Mattias Beck, Giacomo Scalari, Jérôme Faist, Paolo De Natale, Saverio Bartalini
Retrieval of phase relation and emission profile of quantum cascade laser frequency combs
published pages: , ISSN: 1749-4885, DOI: 10.1038/s41566-019-0451-1
Nature Photonics 2019-06-27
2019 Giacomo Scalari, Jérôme Faist, Nathalie Picqué
On-chip mid-infrared and THz frequency combs for spectroscopy
published pages: 150401, ISSN: 0003-6951, DOI: 10.1063/1.5097933
Applied Physics Letters 114/15 2019-09-04
2018 Andres Forrer, Markus Rösch, Matthew Singleton, Mattias Beck, Jérôme Faist, Giacomo Scalari
Coexisting frequency combs spaced by an octave in a monolithic quantum cascade laser
published pages: 23167, ISSN: 1094-4087, DOI: 10.1364/oe.26.023167
Optics Express 26/18 2019-06-12
2019 Y. Liang, Z. Wang, J. Wolf, E. Gini, M. Beck, B. Meng, J. Faist, G. Scalari
Room temperature surface emission on large-area photonic crystal quantum cascade lasers
published pages: 31102, ISSN: 0003-6951, DOI: 10.1063/1.5082279
Applied Physics Letters 114/3 2019-05-27

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