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Coherent summation of saturated AlGaAs amplifiers

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Abstract

Coherent summation of the output of two saturated traveling-wave amplifiers, each injected from a common semiconductor laser and all operated cw, has resulted in a single diffraction-limited beam containing 93% of the power originally contained in the two individual amplified beams. The 372 mW of power in a single diffraction-limited lobe is a 1.5-fold enhancement over the power available from a single amplifier.

© 1993 Optical Society of America

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