PhD Studentship: Quantum Well Membrane Lasers for Generation of Vortex Beams

4 weeks ago

Southampton, Southampton, United Kingdom University of Southampton Full time

PhD Supervisor: Prof Vasilis Apostolopoulos

Supervisory Team: Prof Vasilis Apostolopoulos, Dr Bruce Ou

Project description:The University of Southampton is expanding its PhD research in the area of Quantum Technology Engineering. In addition to the research project outlined below you will receive substantial training in scientific, technical, and commercial skills.

Membrane quantum well lasers contact-bonded onto the surface of sapphire or silicon carbide have been demonstrated to create perfect Gaussian beams. We have the capability to release these membranes and position them in the integrated photonics cleanroom on top of substrates and we have demonstrated external cavity lasing with them. We will work to create optical vortex beams using these Lasers and incorporate in the cavities meta-surfaces to be able to control the beam output. Meta-surfaces, harnessing subwavelength 2D nanostructures, commonly referred to as meta-atoms, arranged in either a periodic or aperiodic fashion, have garnered growing interest for their extraordinary ability to control light in both classical and quantum light (see Nature Photonics 15,

This PhD project will focus on developing the quantum well membrane lasers in combination with meta-surfaces to manipulate the emission properties and chirality. Vortex beams have applications in imaging, quantum computing, optical tweezers and communications.

If you are interested, please contact the supervisor for more information:
Vasilis Apostolopoulos

Entry Requirements

A very good undergraduate degree (at least a UK 2:1 honours degree, or its international equivalent).

Closing date: 31 August 2024. Applications will be considered in the order that they are received, the position will be considered filled when a suitable candidate has been identified.

Funding: We offer a range of funding opportunities for both UK and international students, including Bursaries and Scholarships. For more information please visit PhD Scholarships | Doctoral College | University of Southampton Funding will be awarded on a rolling basis, so apply early for the best opportunity to be considered.

How To Apply

Apply online: Search for a Postgraduate Programme of Study ). Select programme type (Research), Faculty of Engineering and Physical Sciences, next page select "PhD iMR". In Section 2 of the application form you should insert the name of the supervisor.

Applications should include:

  • Curriculum Vitae
  • Two reference letters
  • Degree Transcripts/Certificates to date

For further information please contact: feps-pgr-

The University of Southampton is committed to promoting equality, diversity, and inclusivity as demonstrated by our Athena SWAN award. We welcome all applicants regardless of their gender, ethnicity, disability, sexual orientation or age, and will give full consideration to applicants seeking to study part time. The University of Southampton takes personal circumstances into account, has onsite childcare facilities, is committed to sustainability and has been awarded the Platinum EcoAward.

Funding will be awarded on a rolling basis, so apply early for the best opportunity to be considered

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