Title :
Large-area surface-emitting "W" mid-IR photonic-crystal distributed-feedback lasers
Author :
Bewley, W.W. ; Kim, C.S. ; Vurgaftman, I. ; Lindle, J.R. ; Kim, M. ; Canedy, C.L. ; Meyer, J.R.
Author_Institution :
Naval Res. Lab., Washington, DC, USA
Abstract :
Photonic-crystal distributed-feedback gratings are employed to produce vertical emission from very-large-area mid-IR "W" lasers. For a FWHM pump-spot diameter of 400-μm, ≈60% of the output is transmitted through a far-field aperture of diameter 1.8°.
Keywords :
diffraction gratings; distributed feedback lasers; infrared sources; photonic crystals; semiconductor lasers; stimulated emission; surface emitting lasers; 400 mum; FWHM; W lasers; distributed-feedback gratings; distributed-feedback lasers; far-field aperture; large-area lasers; midIR lasers; photonic-crystal lasers; surface-emitting lasers; vertical emission; Etching; Gratings; Laser beams; Laser excitation; Laser modes; Optical surface waves; Pump lasers; Semiconductor lasers; Surface emitting lasers; Temperature dependence;
Conference_Titel :
Lasers and Electro-Optics, 2005. (CLEO). Conference on
Print_ISBN :
1-55752-795-4
DOI :
10.1109/CLEO.2005.202323
