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TeraHertz detection enabled by mOleculaR optomechanics

Objective

The generation, manipulation and detection of electromagnetic waves across the entire frequency spectrum is the cornerstone of modern technologies, underpinning wide disciplines across sensing, imaging, spectroscopy and data processing, amongst others. Whilst the last century has witnessed an impressive evolution in devices operating at frequencies either below 0.1 THz (microwave and antenna technology) or above 50 THz (near-infrared and visible optical technology), in between the lack of suitable materials and structures for efficient electromagnetic manipulation has resulted in the so-called “THz gap” : a band of frequencies in the 0.3 – 30 THz region of the spectrum for which compact and cost-effective sources and detectors do not exist – even though their application has enormous potential in medical diagnostics, security, astronomy, and wireless communication.
In this project, we will demonstrate the first nano-scale, cost-effective, fast and low-noise detector working at room temperature in the 1 – 30 THz range by developing a radically new concept of signal up-conversion to visible/near-infrared (VIS/NIR) radiation, leveraging the latest scientific breakthroughs in the new scientific field of molecular cavity optomechanics. In particular, we will design and synthesize molecules with both large IR and Raman vibrational activity in that THz range to be integrated into plasmonic nano- and pico-cavities so that their vibration mediates the coherent transfer of energy from the THz to the laser signal driving the cavity. In our approach, we will also employ THz antennas to improve the coupling efficiency of the THz field to the molecules.
This bold vision, which builds on the fundamentals of light-matter interaction (science) and converges toward the on-chip integration in a silicon-compatible chip (technology), completely surpasses any previous technological paradigms related to the measurement of THz molecular vibration as well as its possible manipulation.
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Coordinator

UNIVERSITAT POLITECNICA DE VALENCIA

Address

Camino De Vera Sn Edificio 3a
46022 Valencia

Spain

Activity type

Higher or Secondary Education Establishments

EU Contribution

€ 581 162,50

Participants (6)

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STICHTING NEDERLANDSE WETENSCHAPPELIJK ONDERZOEK INSTITUTEN

Netherlands

EU Contribution

€ 498 437,50

KING'S COLLEGE LONDON

United Kingdom

EU Contribution

€ 332 031,25

THE CHANCELLOR MASTERS AND SCHOLARS OF THE UNIVERSITY OF CAMBRIDGE

United Kingdom

EU Contribution

€ 598 587,50

AGENCIA ESTATAL CONSEJO SUPERIOR DEINVESTIGACIONES CIENTIFICAS

Spain

EU Contribution

€ 327 353,75

ECOLE POLYTECHNIQUE FEDERALE DE LAUSANNE

Switzerland

EU Contribution

€ 594 000

LYTID

France

EU Contribution

€ 342 550

Project information

Grant agreement ID: 829067

Status

Ongoing project

  • Start date

    1 March 2019

  • End date

    28 February 2022

Funded under:

H2020-EU.1.2.1.

  • Overall budget:

    € 3 274 122,50

  • EU contribution

    € 3 274 122,50

Coordinated by:

UNIVERSITAT POLITECNICA DE VALENCIA

Spain