Governing the speed of a light signal in optical fibers : Brillouin slow and fast light

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We demonstrate a figure-of-9 all-fiber thulium-doped laser (TDFL) that generates 560 fs long pulses at 1948 nm wavelength. In order to achieve self-starting passive mode-locking, we utilize an in-fiber Faraday rotator to induce a nonreciprocal phase shift. ...

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Governing the speed of a light signal in optical fibers : Brillouin slow and fast light

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