In this seminar, I will present an overview of our recent activities spanning nonlinear fiber optics, gas lasers, and neurophotonics.
The first part of the talk will focus on gas-filled hollow-core fibers as a versatile platform for the development of novel laser sources, nonlinear frequency conversion, and high pulse energy Raman lasers. I will also present our recent work on coherent molecular oscillations in gas-filled hollow-core fibers, demonstrating how molecular coherence can be employed to enable highly efficient Raman frequency conversion and provide a pathway towards high repetition rate fiber lasers with high pulse energy.
The second part of the seminar will present our work on multifunctional bi-directional neural interfaces based on soft polymer optical fibers. I will discuss our recent advances in optogenetics and infrared neuromodulation for controlling brain activity in both acute and chronic settings. Finally, I will introduce our latest work on microfluidic axialtrodes, which integrate optical stimulation, electrophysiological recording, and localized drug delivery for mapping and modulating neural circuits across different brain regions.