Title: Nonlinear integrated photonics for deployable clocks and quantum sensors
Abstract: The deployment of photonic quantum technologies outside of laboratories and into application environments involves new components and system architectures, many of which are based on photonic integrated circuits (PICs). In this talk, I will present our lab’s research on PIC components that harness nonlinear optical processes in the context of optical atomic clocks and quantum sensors. For such applications, nonlinear frequency conversion can generate the coherent visible and short near- infrared light needed to probe atomic transitions and create a frequency comb that phase-coherently divides an atomically-stabilized optical frequency down to a detectable microwave frequency. I will present results on microresonator optical parametric oscillators operating across the visible and octave- spanning microresonator frequency combs suitable for optical clockworks, and discuss opportunities and challenges associated with building systems based on these technologies.
Biography: Kartik Srinivasan is a Fellow of the National Institute of Standards and Technology, a Fellow of the NIST/University of Maryland Joint Quantum Institute, and an Adjunct Professor of Physics at the University of Maryland. He received B.S., M.S., and Ph.D. degrees in Applied Physics from the California Institute of Technology before joining NIST in 2007. Kartik has published research on topics such as integrated quantum photonics, nonlinear nanophotonics, nanoscale electro-optomechanical transducers, and photonic crystals. He has received the Presidential Early Career Award for Scientists and Engineers, the Department of Commerce Bronze and Gold Medals, the NIST Samuel Wesley Stratton