|Students||Emaan Sohail, student of the STEMx program conducted by Pakistan Innovation Foundation|
|Time Frame||Summer 2019|
|Supplementary Materials||Experimental investigations of quantum interference in Josephson junctions|
Josephson effect is the flow of current without a potential drop across an insulator, with the ability to expel magnetic flux from its region. Superconducting QUantum Interference Devices (SQUIDs) are based on this effect to take sensitive measurements at quantum level. In this experiment, we study the variation of current, voltage and magnetic flux using a High–Temperature SQUID (HTS) in different configurations. We aim to observe the DC and AC Josephson and Meissner effects, study the temperature–resistance relation of the SQUID, and use the SQUID as a flux detector via flux locked loop circuits.