title: Coherent control of high harmonic generation via dual-gas multijet arrays.
abstract: High harmonic generation (HHG) is a central driver of the rapidly growing field of ultrafast science. We present a novel quasiphase-matching (QPM) concept with a dual-gas multijet target leading, for the first time, to remarkable phase control between multiple HHG sources (>2) within the Rayleigh range. The alternating jet structure with driving and matching zones shows perfect coherent buildup for up to six QPM periods. Although not in the focus of the proof-of-principle studies presented here, we achieved competitive conversion efficiencies already in this early stage of development.
authors: Deutsches Elektronen Synchrotron, Notkestrasse 85, 22607 Hamburg, Germany.
authors: A
authors: A
authors: Willner
authors: F
authors: F
authors: Tavella
authors: M
authors: M
authors: Yeung
authors: T
authors: T
authors: Dzelzainis
authors: C
authors: C
authors: Kamperidis
authors: M
authors: M
authors: Bakarezos
authors: D
authors: D
authors: Adams
authors: M
authors: M
authors: Schulz
authors: R
authors: R
authors: Riedel
authors: M C
authors: MC
authors: Hoffmann
authors: W
authors: W
authors: Hu
authors: J
authors: J
authors: Rossbach
authors: M
authors: M
authors: Drescher
authors: N A
authors: NA
authors: Papadogiannis
authors: M
authors: M
authors: Tatarakis
authors: B
authors: B
authors: Dromey
authors: M
authors: M
authors: Zepf