A current pulse is sent through the coil. 有一電流脈衝送入線圈。
Now a voltage can be applied to the device and no current will flow until one of the superconducting films absorbs a photon, generating quasiparticles. 我們可以先在裝置上施加電壓,不讓電流通過,直到超導體薄膜吸收光子,產生的准粒子跨越絕緣層而引發電流脈衝。