Author Affiliations

Neal W. Spellmeyer,^1,* David O. Caplan,¹ Bryan S. Robinson,¹ David Sandberg,¹ Mark L. Stevens,¹ Matt M. Willis,^1,* Denis V. Gapontsev,² Nikolai S. Platonov,² and Alexander Yusim²

¹Lincoln Laboratory, Massachusetts Institute of Technology, 244 Wood St., Lexington, MA 02420

²IPG Photonics Corporation, 50 Old Webster Rd., Oxford, MA 01540

^*This work was sponsored by the National Aeronautics and Space Administration under Air Force Contract FA8721-05-C-0002. Opinions, interpretations, conclusions, and recommendations are those of the authors and are not necessarily endorsed by the United States Government.

^# neal@ll.mit.edu