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Programme: FP7-PEOPLE-2013-ITN

Amount: EUR 3,966,961

Content: 13 PhDs, 1 postdoc

Period: 48 months

Starting date: 1 November 2013

Partners: 12 (9 research groups, 2 SMEs, 1 associated SME)

Countries: DK, DE, F, A, CH, GB

Coordinator: Aarhus University (AU), Denmark


This project has received funding from the European Union’s Seventh Framework Programme for research, technological development and demonstration under grant agreement no 607491 - COMIQ. The network activities are coordinated by Aarhus University.


COMIQ (COld Molecular Ions at the Quantum limit) will investigate how cooling, trapping, and control techniques applied to molecular ions can expand the realm of quantum technology, enhance precision meaurements on molecular systems and lead to chemistry at the ultracold quantum limit.

The network is supported by the European Commission (FP7) under the sub-programme PEOPLE (Marie Curie Actions). 13 early stage researchers will obtain training in all relevant topics of the field; molecular physics, quantum optics, ion trapping and cooling, chemical reactions, spectroscopic techniques, theoretical and computational chemistry, and physical chemistry. The training will be provided by 9 universities/laboratories and 3 private companies from 6 different countries in Europe. ­




Next COMIQ event

Final Network Meeting and Workshop

will take place in Les Houches, France

28/05-02/06  2017

Go to the Event Website

Preliminary poster


Prof. Michael Köhl

2014.12.29 | COMIQ

Publication: Photon Emission and Absorption of a Single Ion Coupled to an Optical-Fiber Cavity

Prof. Köhl at University of Bonn publishes his results in PRL.

2014.11.13 | COMIQ

Publication: Observation of electric-dipole-forbidden infrared transitions in cold molecular ions

Prof. Stefan Willitsch at University of Basel publishes in Nature Physics.

Scheme of the experimental setup. LCE, laser control electronics (current driver and temperature controller); PA, preamplifier, bold arrows represent electrical current through the QCL.
Frequency noise PSD of the QCL measured in freerunning (A) and stabilized (B) conditions. The thin line above 100 kHz for the free-running QCL is an extrapolation of the 1∕f noise used for the linewidth determination. The “C” curve shows the frequency noise reduction achieved when stabilizing the QCL frequency to the side of the N2O transition using the same stabilization electronics and the optical signal from the MCT detector as an error signal. The corresponding full width at half-maximum (FWHM) linewidth of the laser calculated using the concept of the β-separation line [11] is also indicated in each case (at 10-ms observation time).
Simultaneous time series of the measured voltage, calculated electrical power and measured optical frequency fluctuations for the free-running (t < 10 ms) and stabilized (t > 10 ms) QCL.

2014.11.10 | COMIQ

Publication: All-electrical frequency noise reduction and linewidth narrowing in quantum cascade lasers

An easy way of laser frequency noise suppression was developed in Alpes Lasers in cooperation with the University of Neuchâtel.

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