High-power Yb-fiber comb with feed-forward control of nonlinear-polarization-rotation mode-locking and large-mode-area fiber amplification

Optics Letters
Ming YanHeping Zeng

Abstract

We report on a simple scheme to precisely control carrier-envelope phase of a nonlinear-polarization-rotation mode-locked self-started Yb-fiber laser system with an average output power of ∼7  W and a pulse width of 130 fs. The offset frequency was locked to the repetition rate of ∼64.5  MHz with a relative linewidth of ∼1.4  MHz by using a self-referenced feed-forward scheme based on an acousto-optic frequency shifter. The phase noise and timing jitter were calculated to be 370 mrad and 120 as, respectively.

References

Mar 15, 2002·Nature·Th UdemT W Hänsch
Apr 12, 2003·Physical Review Letters·K L CorwinR S Windeler
Sep 27, 2006·Optics Letters·W C SwannM M Fejer
Sep 18, 2010·Optics Letters·Axel RuehlIngmar Hartl

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