Author:
Cheng Yuk Shan,Dadi Kamalesh,Mitchell Toby,Thompson Samantha,Piskunov Nikolai,Blanchard-Emmerson Greg,Gawith Corin B. E.,McCracken Richard A.,Reid Derryck T.
Abstract
Broadband UV-green generation is achieved from a 1-GHz Ti:sapphire frequency comb using a Zn-indiffused, grating-engineered MgO:PPLN ridge waveguide. Etalon-filtering produces a 30 GHz astrocomb from 390–480 nm, with modes resolvable by an Echelle-prism spectrograph.