In April 2019 the EU Marie Skłodowska-Curie Actions (MSCA) Innovative Training
Networks (ITN) MUSIQ officially started. The network brought together a unique
team of world-leading academics and industrial partners at the forefront of optical
micro-spectroscopy and ultrafast laser technology developments merged with
fundamental studies of coherent light-matter interaction phenomena, development
of quantitative image analysis tools beyond state-of-the-art, and
biomedical/pharmaceutical real-world applications. The unique vision of MUSIQ has
been to develop and apply the next-generation optical microscopy technologies
exploiting quantum coherent nonlinear phenomena. This Roadmap has been written
collectively by the MUSIQ early-stage researchers and their supervisors. It provides a
summary of the achievements within MUSIQ to date, with an outlook towards future
directions