Zn:MgO:PPLN Waveguides for Rb Cold Atom Trap Based Quantum Gravitometry in a CubeSat

Lewis G. Carpenter,Sam A. Berry,Thomas H. Legg,Mark C. Farries,Chloe J. Watson,Rex H. S. Bannerman,Alan C. Gray,Christopher Holmes,James C. Gates,Peter G. R. Smith,Corin B. E. Gawith

2019 Conference on Lasers and Electro-Optics Europe & European Quantum Electronics Conference (CLEO/Europe-EQEC)（2019）

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摘要

Satellite based experiments require laser systems that are compact and efficient, which are robust against vibration, radiation and thermal cycling. Supported by Innovate UK's Quantum Technology `Cold Atom Space PAyload (CASPA)` project we have fabricated PPLN (Periodically Poled Lithium Niobate) ridge waveguides to act as efficient frequency converters for rubidium atom cooling via second harmonic generation (SHG) of telecoms lasers. CASPA is a technology demonstrator for magneto-optical cooling within a micro CubeSat laying the foundations for novel gravitometry and global positioning techniques [1].

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关键词

CubeSat,satellite based experiments,laser systems,radiation,thermal cycling,Innovate UK's Quantum Technology,PPLN ridge waveguides,Periodically Poled Lithium Niobate,efficient frequency converters,rubidium atom,harmonic generation,telecoms lasers,CASPA,technology demonstrator,magneto-optical cooling,microCubeSat,quantum gravitometry,Rb cold atom trap,Zn:MgO:PPLN waveguides,MgO:Zn-Rb

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