In our latest interview, we speak with Shachi Machchhar, a researcher at Technische Universität Berlin, whose work focuses on developing deterministic single photon emitters from TMDC monolayers. From her early fascination with astrophysics to her current quantum research, Shachi shares insights into her journey, the collaborative spirit of Berlin’s research landscape, and why the city is a thriving hub for quantum innovation.
What inspired you to pursue a career in quantum physics?
My fascination with physics initiated with astrophysics (as it is for a majority of children, I presume), and then it shifted to quantum physics when I studied physics in higher grades. And after pursuing a master's in functional materials with a thesis work on 2D photonics, I decided this is it for me.
Why did you choose to conduct your research in Berlin?
Berlin not only has a multifold of cultural diversity but also the triad of universities (HU, FU, and TU) which are highly ranked for research.
What advantages does Berlin offer for quantum physics research compared to other cities or countries?
The Berlin Quantum initiative taken by the state of Berlin with the collaboration from multiple universities is something which works towards the advantage of a young researcher like me. It offers a better platform not only for research, but also for networking.
Can you tell us about a current project or experiment you are working on?
Currently, I am working on developing single photon sources from Transition Metal Dichalcogenides (TMDCs) – a type of 2D semiconductors via inducing strain on the monolayer with the help of nano patterning structures.
How does BERLIN QUANTUM and the Berlin research landscape support your work, and which resources are particularly helpful?
The group of Prof. Stephan Reitzenstein at TU has the facilities of fabrication, processing, as well as spectroscopy. This means that I can do almost every experimental part of my project in-house. Other than that, we have theory support from our project partners.
What role does collaboration with other scientists and institutions in Berlin play in your research?
The collaboration does play a vital role in every research, and my research is no exception to that. I have a theory collaboration in my project with Prof. Knorr. This would be a nice amalgamation of theory and experiments in the project.
How does living in Berlin influence your personal and professional development?
Well, as I mentioned before, Berlin is quite a cosmopolitan city and this plays an important role in my personal as well as professional life. There are people from all over the world with whom one can connect, work or otherwise which would help widen my horizons.
In your opinion, what are the most exciting developments or trends in quantum physics that we can expect in the coming years?
I think there is a huge playing field with quantum computing and QKD, technology-wise which would be quite nice to see.
What advice would you give to young scientists who aspire to a career in quantum physics and might consider coming to Berlin?
Do it!!! I would say! There are very nice opportunities and groups, research institutes which would cater to your capabilities in Berlin.
Connect with Shachi Machchhar on LinkedIn.