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Harnessing Multimode Broad-Area Laser-Diode Emission Into a Single-Lobe Diffraction- Limited Spot

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1 Author(s)
Nikolai Stelmakh ; Texas Univ., Arlington

A spectrally resolved phase manipulation technique external to the laser cavity is used to reshape the multimode emission of a conventional broad-area laser diode into a diffraction-limited single-lobe spot. A mode conversion efficiency of 60% with a total insertion loss of 25% has been demonstrated with conventional optical elements and a binary phase mask.

Published in:

IEEE Photonics Technology Letters  (Volume:19 ,  Issue: 18 )