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Threshold gain and threshold current analysis of circular grating DFB organic semiconductor lasers

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2 Author(s)
Barlow, G.F. ; Bangor Sch. of Informatics, Univ. of Wales, Bangor, UK ; Shore, K.A.

An analysis of a circular grating organic semiconductor distributed feedback laser (CG-DFB OSL) operating at 632 nm is performed. Threshold current calculations are undertaken using gain coefficients for the Alq3:DCM lasing material employed. It is shown how variations in the radii of the inner and outer sections of an annular grating may be expected to affect threshold characteristics

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Optoelectronics, IEE Proceedings -  (Volume:148 ,  Issue: 4 )