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Proceedings Paper

Gigahertz dual-comb modelocked diode-pumped semiconductor and solid-state lasers
Author(s): S. M. Link; M. Mangold; M. Golling; A. Klenner; U. Keller
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Paper Abstract

We present a simple approach to generate simultaneously two gigahertz mode-locked pulse trains from a single gain element. A bi-refringent crystal in the laser cavity splits the one cavity beam into two cross-polarized and spatially separated beams. This polarization-duplexing is successfully demonstrated for both a semiconductor disk laser (i.e. MIXSEL) and a diode-pumped solid-state Nd:YAG laser. The beat between the two beams results in a microwave frequency comb, which represents a direct link between the terahertz optical frequencies and the electronically accessible microwave regime. This dual-output technique enables compact and cost-efficient dual-comb lasers for spectroscopy applications.

Paper Details

Date Published: 10 March 2016
PDF: 6 pages
Proc. SPIE 9734, Vertical External Cavity Surface Emitting Lasers (VECSELs) VI, 973406 (10 March 2016); doi: 10.1117/12.2209261
Show Author Affiliations
S. M. Link, ETH Zürich (Switzerland)
M. Mangold, ETH Zürich (Switzerland)
M. Golling, ETH Zürich (Switzerland)
A. Klenner, ETH Zürich (Switzerland)
U. Keller, ETH Zürich (Switzerland)


Published in SPIE Proceedings Vol. 9734:
Vertical External Cavity Surface Emitting Lasers (VECSELs) VI
Keith G. Wilcox, Editor(s)

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