[16a-PA04-1~7] 3.5 Ultrashort-pulse and high-intensity lasers (formerly 3.6)

[16a-PA04-7] Spatio-temporal properties of superconductivity quenched by optical vortex pulse

Souichiro Ogami¹, 〇YASUNORI TODA¹, Satoshi Tsuchiya¹, Keisaku Yamane¹, Ryuji Morita¹, Migaku Oda² (1.Appl.Phys. Hokkaido Univ., 2.Phys. Hokkaido Univ.)

Keywords:optical vortex

In our previous work, spatially modulated superconductivity (SC) was demonstrated in a high-T_c cuprate Bi2212 by quenching the SC with intense and ultrafast optical vortex (OV) pulses. Such OV-induced SC can be easily scanned in space by moving the singular point. In this work, we report on the spatio-temporal characteristics of OV-induced SC by taking advantage of the scanning property.