Abstract

Nonlinear light generation in optical fibers is an indispensible tool to generate light to access wavelengths offside of the fundamental laser lines broadening the field of applications in biophotonics, metrology, and communications. However, most multi-wavelength sources rely on glass fibers which are static in their material properties after fabrication. Recently, gas-filled fibers were demonstrated to provide impressive wavelength tunability of non-solitonic radiation in the ultraviolet by adjusting the gas pressure [1], however, they require high pump power and sophisticated micro-structured cross-sections. Alternatively, also liquid-core fibers offer tunability due to the large thermo-optical coefficient (TOC) and miscibility of the core liquid, and promise to be an ideal nonlinear platform due to their large nonlinearity and wide transmission windows.

© 2017 IEEE