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  • Title: Widely tunable erbium-doped fiber laser based on multimode interference effect.
    Author: Castillo-Guzman A, Antonio-Lopez JE, Selvas-Aguilar R, May-Arrioja DA, Estudillo-Ayala J, LiKamWa P.
    Journal: Opt Express; 2010 Jan 18; 18(2):591-7. PubMed ID: 20173879.
    Abstract:
    A widely tunable erbium-doped all-fiber laser has been demonstrated. The tunable mechanism is based on a novel tunable filter using multimode interference effects (MMI). The tunable MMI filter was applied to fabricate a tunable erbium-doped fiber laser via a standard ring cavity. A tuning range of 60 nm was obtained, ranging from 1549 nm to 1609 nm, with a signal to noise ratio of 40 dB. The tunable MMI filter mechanism is very simple and inexpensive, but also quite efficient as a wavelength tunable filter.
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