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Proceedings Paper

High brightness photonic lantern kW-class amplifier
Author(s): Juan Montoya; Chris Hwang; Chris Aleshire; Patricia Reed; Dale Martz; Mike Riley; Michael Trainor; Catherine Belley; Scot Shaw; T. Y. Fan; Dan Ripin
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Paper 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.

Paper Details

Date Published: 26 February 2018
PDF: 6 pages
Proc. SPIE 10512, Fiber Lasers XV: Technology and Systems, 1051202 (26 February 2018); doi: 10.1117/12.2290014
Show Author Affiliations
Juan Montoya, MIT Lincoln Lab. (United States)
Chris Hwang, MIT Lincoln Lab. (United States)
Chris Aleshire, MIT Lincoln Lab. (United States)
Patricia Reed, MIT Lincoln Lab. (United States)
Dale Martz, MIT Lincoln Lab. (United States)
Mike Riley, MIT Lincoln Lab. (United States)
Michael Trainor, MIT Lincoln Lab. (United States)
Catherine Belley, MIT Lincoln Lab. (United States)
Scot Shaw, MIT Lincoln Lab. (United States)
T. Y. Fan, MIT Lincoln Lab. (United States)
Dan Ripin, MIT Lincoln Lab. (United States)

Published in SPIE Proceedings Vol. 10512:
Fiber Lasers XV: Technology and Systems
Ingmar Hartl; Adrian L. Carter, Editor(s)

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