High brightness photonic lantern kW-class amplifier

Juan Montoya; Chris Hwang; Chris Aleshire; Patricia Reed; Dale Martz; Mike Riley; Michael Trainor; Catherine Belley; Scot Shaw; T. Y. Fan; Dan Ripin

doi:10.1117/12.2290014

26 February 2018 High brightness photonic lantern kW-class amplifier

Juan Montoya, Chris Hwang, Chris Aleshire, Patricia Reed, Dale Martz, Mike Riley, Michael Trainor, Catherine Belley, Scot Shaw, T. Y. Fan, Dan Ripin

Author Affiliations +

Proceedings Volume 10512, Fiber Lasers XV: Technology and Systems; 1051202 (2018) https://doi.org/10.1117/12.2290014
Event: SPIE LASE, 2018, San Francisco, California, United States

Abstract

Pump-limited kW-class operation in a multimode fiber amplifier using adaptive mode control was achieved. A photonic lantern front end was used to inject an arbitrary superposition of modes on the input to a kW-class fiber amplifier to achieve a nearly diffraction-limited output. We report on the adaptive spatial mode control architecture which allows for compensating transverse-mode disturbances at high power. We also describe the advantages of adaptive spatial mode control for optical phased array systems. In particular, we show that the additional degrees of freedom allow for broader steering and improved atmospheric turbulence compensation relative to piston-only optical phased arrays.

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Citation Download Citation

Juan Montoya, Chris Hwang, Chris Aleshire, Patricia Reed, Dale Martz, Mike Riley, Michael Trainor, Catherine Belley, Scot Shaw, T. Y. Fan, and Dan Ripin "High brightness photonic lantern kW-class amplifier", Proc. SPIE 10512, Fiber Lasers XV: Technology and Systems, 1051202 (26 February 2018); https://doi.org/10.1117/12.2290014

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