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PhD in “Design of O-Band electro-absorption mo ... (No replies)
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PIADS Centre for Doctoral Training PhD Studentships
Contract: Full Time/Fixed Term
We have a prestigious PIADS PhD position available under supervision of Liam O’Faolain (aka William Whelan-Curtin) of the Centre for Advance Photonics and Process Analysis (CAPPA) of Munster Technological University see https://scholar.google.co.uk/citations?user=38P6fMAAAAAJ&hl=en and Felipe Murphy Armando of the Photonics Theory Group in Tyndall National Institute https://scholar.google.com/citations?user=sjK-IKoAAAAJ&hl=en. Students will join an exciting and well-established Centre for Doctoral Training (CDT) hosted by IPIC (the Irish Photonics Integration Centre) in the Republic of Ireland (ROI), and in partnership with Queens University Belfast and the University of Glasgow. You will be based at Tyndall National Institute, and registered as PhD student at Munster Technological University. You will have access to an advanced structured training programme, to world class facilities and academic expertise that spans the partners in IPIC as well as the University of Glasgow and Queen's University in Belfast.
Project details: This PhD project targets the modelling and design of new SiGe/Si heterostructures for O-band electro-absorption modulators based on the Franz-Keldish and Stark effects, and will explore avenues to enhance them. The programme will for the first time explore the use of Ge spit-interstitial defects, recently shown to enhance emission3, to enhance the performance of electro-absorption modulators. It will also make use of newly developed SiGe/Si p-i-n structures with great light emitting properties in the O-band recently invented by the group of Moritz Brehm in Johannes Kepler University (JKU), Linz, and shown at GADEST last September.
The project will be 60% theoretical and 40% experimental. JKU would supply the p-i-n structures to be processed into modulators at CAPPA under the co-supervision of Liam O’Faolain and at Glasgow under Marc Sorel. The theoretical modelling of absorption affected by electric fields, the defects, electron-phonon and alloy scattering would be performed at the Photonics Theory Group at Tyndall under the co-supervision of Felipe Murphy-Armando. The objectives are to theoretically determine what affects the absorption and how to enhance the on/off ration by alloying, defects, strain and introduction of quantum dots. The theoretical techniques for this project have been developed at the Photonics Theory Group and have already been used for successfully predicting the electronic transport and optical properties in SiGe structures.
The results from theory will be used to guide the design of the layers of new structures at JKU. At the same time JKU will provide structures already grown to be processed at CAPPA and the University of Glasgow by the PhD candidate. The candidate will design the waveguide and device design using the LUMERICAL software packages and fabricate the modulators in the cleanrooms at the Tyndall National Institute. The devices will then be characterised and the results will also corroborate and guide the theoretical modelling.
Essential criteria
Desirable criteria
Why Apply?
As a student on the programme you will join a vibrant, supportive and engaging cohort of over 40 students and will have the chance to travel and attend a bespoke week long induction programme with students from all three partners, an annual Winter & Summer School and have access to advanced training courses in areas such as semiconductor fabrication, packaging, biophotonics and entrepreneurship. In addition, IPIC and PIADS have many industry partners that will open up many research and career opportunities.
Graduating PIADS doctoral students are equipped with the highest level of scientific and engineering research skills needed to address the challenges of developing new integrated photonic technologies for diverse applications, as well as with the entrepreneurial, leadership and teamwork capabilities needed to lead and operate at the highest levels in industry. The programme is a gateway to a vast array of career paths from data storage, semiconductors, telecommunications, biophotonics, medical technologies and more.
What we offer: A fully-funded PhD position that includes a stipend of €19,0000/year for up to four years and full coverage of academic fees. The successful candidate will be registered as PhD student at Munster Technological University.
Closing date for application is 20th April 2023. Successful candidates may start their PhD position latest in September 2023.
For any informal queries, please contact William Whelan-Curtin William.whelan-curtin at mtu dot ie or Felipe Murphy-Armando philip.murphy at tyndall dot ie
Further details can be found at: https://www.ipic.ie/piads/
Application Instructions
Step 1 - Click here to download and complete the Application form and indicate the Job Reference PMO-37
Step 2 – Return the completed Application form, together with your CV and motivation letter to [email protected].
Please ensure that your motivation letter, CV and application letter are submitted in pdf format
Postgraduate applicants whose first language is not English must provide evidence of English language proficiency as per UCC regulations (https://www.ucc.ie/en/study/comparison/english/postgraduate/). Certificates should be valid (usually less than 2 years old) and should be uploaded with their application. In special circumstances the panel may consider a prior degree in English (e.g. Master thesis written in English) as evidence of English language proficiency.
Please note that Garda vetting and/or an international police clearance check may form part of the selection process.
The University, at its discretion, may undertake to make an additional appointment(s) from this competition following the conclusion of the process.
At this time, Tyndall National Institute does not require the assistance of recruitment agencies.
Tyndall National Institute at University College, Cork is an Equal Opportunities Employer.