In-phase emission from index-guided laser array up to 400 mW |
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| Authors: | Welch DF Cross P Scifres D Streifer W Burnham RD |
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| Affiliation: | Spectra Diode Laboratories, San Jose, USA; |
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| Abstract: | Phased-array lasers with real-refractive-index waveguides have been grown by metalorganic chemical vapour deposition. The index guides are coupled via `Y?-type coupling regions and the laser array emits with all elements in phase. Powers of over 400 mW are obtained with no indication of a change in the far-field pattern. |
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