Photonics Research, 2015, 3 (3): 03000077, Published Online: Jan. 23, 2019
Conversion of out-of-phase to in-phase order in coupled laser arrays with second harmonics 
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Abstract
A novel method for converting an array of out-of-phase lasers into one of in-phase lasers that can be tightly focused is presented. The method exploits second-harmonic generation and can be adapted for different laser arrays geometries. Experimental and calculated results, presented for negatively coupled lasers formed in a square, honeycomb, and triangular geometries are in good agreement.
Chene Tradonsky, Micha Nixon, Eitan Ronen, Vishwa Pal, Ronen Chriki, Asher A. Friesem, Nir Davidson. Conversion of out-of-phase to in-phase order in coupled laser arrays with second harmonics[J]. Photonics Research, 2015, 3(3): 03000077.
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