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  Modelling and validation of multi-dimensional terahertz nonlinear ghost imaging


   School of Science

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  Prof Marco Peccianti, Prof Alessia Pasquazi  No more applications being accepted  Competition Funded PhD Project (Students Worldwide)

About the Project

We aim to use Terahertz radiation combined with ultrafast Photonics to push the boundary of what we can see in the microscopic world, sharply beyond what it currently achievable. This goal requires a foundational study and a typical high-risk high-gain research approach, with dense fundamental and applied research outputs and novel intellectual properties of industrial interest.

The project will take place within the facilities of the Emergent Photonics Research Centre of Loughborough University , a 600m^2 infrastructure completely dedicated to Photonic Complexity (https://www.lboro.ac.uk/research/emergent-photonics/) and it is funded by The Leverhulme Trust via the project Terahertz four-dimensional microscopy (HYPERSIGHT).

Project Background. Generally, access to microscopic domains is fundamentally limited by the diffraction law. Capturing objects smaller than the electromagnetic wavelength is challenging. Interestingly, in many domains, a core motivator of electromagnetic sensing is the extraction of the spectral fingerprint of an object. Yet, the ability to recover sub-wavelength 3-dimensional objects preserving spectral features (an additional dimension) of all of its parts is sharply beyond our abilities. The terahertz spectrum has been widely investigated because of its ability to reveal the physical/chemical properties of objects. Relevant to the project, our team has recently demonstrated the ‘nonlinear ghost imaging’, a promising space-time methodology capable of extracting spectrally-accurate hyperspectral morphologies in 2D objects. HYPERSIGHT points to exploiting the underlining physics and demonstrating 4-dimensional imaging of a sub-wavelength object, which is currently beyond our abilities. The PhD will engage in the development of the modelling for a multi-dimensional space-time imaging approach targeting the extraction of spectral information in subwavelength volumes (i.e. an hyperspectral micro-tomography). They will gain a considerable spectrum of transversal skills and join a vibrant research team at the Emergent Photonics Research Centre, with exposure to a diversified set of experimental endeavours and to a vast research collaboration network.

Find us here:

https://www.lboro.ac.uk/research/emergent-photonics

https://www.lboro.ac.uk/research/experts/marco-peccianti/

Loughborough University has an applied research culture. In REF 2021, 94% of the work submitted was judged to be top-rated as world-leading or internationally excellent. We are a community based on mutual support and collaboration. Through our Doctoral College there are continual opportunities for building important research skills and networks among your peers and research academics.

Supervisors

Name of primary supervisor

Prof Marco Peccianti

Name of secondary supervisor

Prof Alessia Pasquazi

Primary supervisor email address:

[Email Address Removed]

Primary supervisor telephone number:

+441509223316

Entry requirements for United Kingdom

Applicants should have, or expect to achieve, at least a 2:1 Honours degree (or equivalent) in physics, engineering, applied mathematics or a related subject.

English language requirements

Applicants must meet the minimum English language requirements. Further details are available on the International website.

Applicants must meet the minimum English language requirements. Further details are available on the International website (http://www.lboro.ac.uk/international/applicants/english/).

Find out more about research degree funding

How to apply

All applications should be made online. Under programme name, select Physics. Please quote the advertised reference number: MP/LH1/2022 in your application.

See studentship assessment criteria.

To avoid delays in processing your application, please ensure that you submit the minimum supporting documents.

Apply now


Engineering (12) Mathematics (25) Physics (29)

Funding Notes

UK fee
Fully funded full-time degree per annum
International fee
Part funded full-time degree per annum
The studentship is funded by The Leverhulme Trust via the project Terahertz four-dimensional microscopy (HYPERSIGHT). The duration of the studentship award is 3.5 years and provides a tax-free stipend of £17,668 per annum plus tuition fees at the UK rate. International students (including EU) are welcome and eligible to apply but will be required to fund the difference between the UK and international tuition fee rates from alternative funding sources. The Leverhulme Trust cannot provide funds to cover this difference.

References

Literature:
V. Kumar, et al. , "Deterministic Terahertz Wave Control in Scattering Media," ACS Photonics 9(8), 2634–2642 (2022).
V. Cecconi, et al.,"Nonlinear field-control of terahertz waves in random media for spatiotemporal focusing," Open Res Europe 2, 32 (2022).
L. Olivieri, et al., "Hyperspectral terahertz microscopy via nonlinear ghost imaging," Optica 7(2), 186 (2020).

Where will I study?

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