Title :
Two color interferences and quantum phase shifts in above threshold ionization
Author :
Zipp, L.J. ; Natan, Adi ; Bucksbaum, Philip H.
Author_Institution :
SLAC Nat. Accel. Lab., Stanford PULSE Inst., Menlo Park, CA, USA
Abstract :
The two color (ω + 2ω) above threshold ionization spectrum of argon is measured at different intensity ratios and relative optical phase. We observe quantum phase shifts between interfering ionization pathways, indicating electron dispersion in strong-field ionization.
Keywords :
argon; field ionisation; Ar; argon; color interferences; electron dispersion; intensity ratios; interfering ionization pathways; optical phase; quantum phase shifts; strong-field ionization; threshold ionization spectrum; Color; Dispersion; Harmonic analysis; Ionization; Laser theory; Phase measurement; Physics;
Conference_Titel :
Lasers and Electro-Optics (CLEO), 2014 Conference on
Conference_Location :
San Jose, CA
