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Opt Express. 2010 Apr 26;18(9):9258-65. doi: 10.1364/OE.18.009258.

Phase-locking of two self-seeded tapered amplifier lasers.

Optics express

G Tackmann, M Gilowski, Ch Schubert, P Berg, T Wendrich, W Ertmer, E M Rasel

Affiliations

  1. Institut für Quantenoptik, Gottfried Wilhelm Leibniz Universität Hannover, Welfengarten 1, 30167 Hanover, Germany. [email protected]

PMID: 20588773 DOI: 10.1364/OE.18.009258

Abstract

We report on the phase-locking of two diode lasers based on self-seeded tapered amplifiers. In these lasers, a reduction of linewidth is achieved using narrow-band high-transmission interference filters for frequency selection. The lasers combine a compact design with a Lorentzian linewidth below 200 kHz at an output power of 300 mW for a wavelength of 780 nm. We characterize the phase noise of the phase-locked laser system and study its potential for coherent beam-splitting in atom interferometers.

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