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HR-AR Coated DFB Lasers with High-Yield and Enhanced Above-Threshold Performance

Boavida, J.M. ; Morgado, J. ; Fernandes, C. F.

Optics and Laser Technology Vol. 43, Nº 3, pp. 729 - 735, April, 2011.

ISSN (print): 0030-3992
ISSN (online):

Journal Impact Factor: 1,647 (in 2014)

Digital Object Identifier: 10.1016/j.optlastec.2010.09.017

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Optimized HR-AR-DFB laser structures are proposed foreseeing
their use in directly modulated optical communication systems. They present, simultaneously, high single-longitudinal-modeyield, stable
single-longitudinal mode operation, high power efficiency and stable emitted wavelength. Lasers harder to manufacture were
previously proposed elsewhere and did not
succeed in achieving such high performances. A detailed assessment of the proposed lasers is presented and discussed.