Tunable distributed feedback lasing with narrowed emission using holographic dynamic gratings in a polymeric waveguide

Tsutsumi, Naoto; Fujihara, Arata
February 2005
Applied Physics Letters;2/7/2005, Vol. 86 Issue 6, p061101
Academic Journal
The letter presents reliable tunable distributed feedback (DFB) lasing achieved by holographic dynamic gratings in a polymeric waveguide including conjugated organic compound. Tunable lasing from 484 to 508 nm was simply achieved by rotating a Lloyd mirror configuration. Lasing spectra indicate that the present DFB lasing has the contribution of periodic spatial variation of the refractive index in the gain medium in addition to that of periodic spatial variation of the gain itself.


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