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New physics and novel applications in various fields ranging from biology, and spectroscopy, to manipulation of quantum systems are driven by the availability of coherent light sources including ultrafast coherent frequency combs in the visible and mid-infrared frequency regimes. Nonlinear optical systems, that are parametrically driven by technologically mature near-infrared radiation, are leveraged in this regard to access these challenging wavelengths where conventional lasers maybe unavailable. It is of paramount importance to miniaturize these systems and replace the traditional bulky setups thereby paving the way for a plethora of disruptive applications.
In this talk, I will discuss our results in realizing these parametrically driven oscillators in an integrated lithium-niobate nanophotonics platform and the demonstration of the first-of-its-kind mid-infrared frequency comb source that is widely tunable over an octave accompanied by visible frequency comb generation. I will present how we can exploit the nonlinear dynamics to generate ultra-short pulses from these parametrically driven nonlinear resonators. I will conclude my talk with a glimpse of exciting developments with regard to lithium niobate nanophotonics in the context of ultra-fast mode-locked lasers.
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