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High power, diffraction-limited emission from monolithically integrated active grating master oscillator power amplifier (lasers)

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6 Author(s)
Mehuys, D. ; Spectra Diode Lab., San Jose, CA, USA ; Welch, D.F. ; Parke, R. ; Waarts, R.G.
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A novel monolithically integrated master oscillator power amplifier with a distributed amplifier/grating output coupler is demonstrated which emits 370 mW in a single-frequency diffraction-limited beam without any form of active phase control. The distributed amplifier/grating output coupler results in a guided mode power that saturates along the direction of propagation, providing a uniform carrier density to preserve the flatness of the radiated phase front.

Published in:

Electronics Letters  (Volume:27 ,  Issue: 6 )