High-order harmonic generation driven by plasmonic fields:the velocity gauge

A. Chacón, M. Lewenstein, M. F. Ciappina

Research output: Contribution to journalConference articlepeer-review

Abstract

We present theoretical investigations of high-order harmonic generation (HHG) driven by plasmonic fields in the velocity gauge. Field-enhanced HHG using plasmonics, generated starting from engineered nanostructures, requires no extra cavities or laser pumping to amplify the pulse power. One of the main characteristics of these fields is the spatial variation in a nanometric scale and, as a consequence, strong modifications in the electron dynamics are observed. Up to now all the developed theoretical tools and numerical schemes have employed the length gauge and no attempts for implementation of approaches based on the velocity gauge have been made.

Original languageEnglish
Article number092106
JournalJournal of Physics: Conference Series
Volume635
Issue number9
DOIs
StatePublished - 7 Sep 2015
Event29th International Conference on Photonic, Electronic and Atomic Collisions, ICPEAC 2015 - Toledo, Spain
Duration: 22 Jul 201528 Jul 2015

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