Phd in Developing Single-photon Emitters From 2d

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Amsterdam, Nederland Universiteit van Amsterdam Voltijd

PhD in Developing Single-photon Emitters from 2D Semiconductors for Quantum Photonic Applications

**Faculteit/Dienst**:Faculteit der Natuurw., Wiskunde & Informatica**Opleidingsniveau**:Master**Functie type**:Promotieplaats**Sluitingsdatum**:15 October 2024**Vacaturenummer**:13369**What are you going to do?**
- Aim of the PhD project is to develop defect-based single-photon emitters in 2D semiconductors, and couple those via photonic resonators and waveguides to photonic circuits. Recent progress in the light-matter interaction of 2D materials, specifically the light emission from transition metal dichalcogenides (TMDCs), has revealed their great potential as single-photon emitters. The single-photon emission is related to defects, which can be induced in a controlled way via strain fields; yet, the defect nature and origin of light emission remain unclear.-
- You will develop single-photon emitters by stamping large-scale exfoliated TMDCs on nanopatterned surfaces to create controlled strain fields. These nanopatterns will be prepared at the nearby Nanolab. You will investigate the defect and emitted light on a single-emitter level using optical and Raman microscopy at UvA, as well as on an ensemble level using time-resolved optical and terahertz spectroscopy at TU Delft. A postdoc at UvA will work on the complementary topic of electrically tunable emitter devices. After obtaining insight into the nature of the defect-related emission, you will add nanophotonic design to enhance the emission and outcouple it into optical waveguides. Coupling to cavities can drastically enhance the emission via the Purcell effect, while waveguides will serve to couple the light into photonic circuits. There will be another post-doc at TU Delft to help with the nanophotonic design and its implementation.- This fundamental project will be in collaboration with two industrial partners, Toyota and Quix, the latter being a leading photonic quantum computing startup providing photonic integrated circuits (PICs). The ultimate goal is to integrate the developed single-photon emitters directly into these PICs and test them for their figures of merit in quantum information processing.- You will:
- Work in the lively Quantum Materials cluster at the Institute of Physics (IoP) at UvA, in collaboration with the Optoelectronic Materials and Photonics groups of Prof. Siebbeles and Prof. Kuipers at TU Delft;
- Use the synthesis and optical lab infrastructure at IoP to exfoliate and stamp TMDC layers to prepare defect-based single photon emitters and characterize the emission;
- Fabricate nanopatterned surfaces in the AMOLF NanoLab Amsterdam;
- Participate in an exciting cross-disciplinary collaboration with the groups at TU Delft and industry to leverage your results and implement the developed emitters into photonic chips of the industrial partners;
- Take part in teaching activities of the group.

**Your profile**
- You have:
- A Master degree in Physics, Material Science (with emphasis on 2D semiconductors) or Photonics.
- Experience in the following fields: Single-photon emission and measurement, TMDCs, or Nanophotonic design.
- You should be able to:
- Work at the interface between (Quantum) Optics, Material Science, and Nanophotonics;
- Collaborate and adapt in an international team and possess excellent communication skills in oral and written English.

**Our offer**
- A temporary contract for 38 hours per week for the duration of 4 years (the initial contract will be for a period of 18 months and after satisfactory evaluation it will be extended for a total duration of 4 years). This should lead to a dissertation (PhD thesis). We will draft an educational plan that includes attendance of courses and (international) meetings. We also expect you to assist in teaching undergraduates and master students.-
- Besides the salary and a vibrant and challenging environment at Science Park we offer you multiple fringe benefits:
- 232 holiday hours per year (based on full-time) and extra holidays between Christmas and 1 January;
- multiple courses to follow from our Teaching and Learning Centre;
- a complete educational program for PhD students;
- multiple courses on topics such as leadership for academic staff;
- multiple courses on topics such as time management, handling stress and an online learning platform with 100+ different courses;
- 7 weeks birth leave (partner leave) with 100% salary;
- partly paid parental leave;
- the possibility to set up a workplace at home;
- a pension at ABP for which UvA pays two third part of the contribution;
- the possibility to follow free courses to learn Dutch;
- help with housing for a studio or small apartment when you’re moving from abroad.

**About us**
- This PhD project will be carried out in the Nanomaterials and 2D Nanophotonics labs of Prof. P. Schall and Dr. J. van de Groep within the Van der Waals-Zeeman Institute (WZI), the experimental division of the Institute of Physics of the Universi



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