Tremendous research activity worldwide has focused on attempting to harness the exotic properties of quantum physics for new applications in metrology, computation, and communications - a push to develop “engineered quantum systems”. Underlying any such capability is the need to exert control over a chosen quantum system in order to coax it into performing useful tasks. Color centers in diamond have proven to be multi-faceted friends of engineers and physicists. While on the one hand, they may be used as nano-scale magnetic sensors, on the other, they have shown promise as chip-scale single photon sources. In this talk, I will present the recent progress toward engineering high resolution sensors using Nitrogen-Vacancy (NV) centers in diamond and show that it may provide a platform for ultra-sensitive rotation sensing (gyroscope) immune to external vibrations, which can be applied for nanoscale aviation systems and navigational and tactile applications. Further, I will discuss recent advances in nanotechnology that have enabled fabrication of nanoscale optical devices and chip-scale systems in diamond, allowing for other color centers, such as silicon-vacancy centers, to be used as single photon sources for scalable quantum photonic circuits in quantum computing.
Kasturi Saha is a postdoctoral fellow in Prof. Paola Cappellaro’s group in the Research Laboratory of Electronics at Massachusetts Institute of Technology. Recently she presented her work on rotation sensing using NV-centers in the “Rising Stars in Nuclear Physics Symposium”. She obtained her Ph.D. in Prof. Alexander Gaeta’s group in the School of Applied and Engineering Physics in Cornell University. Her Ph.D. research focused on characterization, time-domain analysis and stabilization of frequency combs generated in silicon nitride microring resonators and ultralow power nonlinear optics in photonic bandgap fibers. She did B.Sc. from St. Stephen’s College, Delhi (2006) and then obtained M.Sc. in Physics from IITD (2008).