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Novel liquid crystal cells for short-pulsed monolithic guided-wave laser sources

We demonstrate that a novel family of miniaturized deformed helix ferroelectric liquid crystal cells that has recently been developed in the context of distributed optical sensing networks can also be used to realize fully monolithic, actively Q-switched waveguide lasers as well as actively mode-locked all-fiber lasers. Those cells enable the development of pulsed laser sources with the same level of robustness and compactness that is typical of passively modulated systems, while maintaining the flexibility of actively pulsed laser sources that would normally rely on bulky acousto- or electro-optical modulators.