A new type of logic gate that can be designed using a nonhysteretic Josephson weak link is proposed. The basic component of the proposed device is a one-junction interferometer, and a logic state is represented by either a zero or a single-flux-quantum. In contrast to the “Parametric Quantron,” this device is designed to operate without a three-phase clock and the dependence of the junction critical current on magnetic field is not used. The switching behavior of the device was simulated by computer and an analytical expression for the switching delay has been obtained.
PROPOSAL OF SINGLE-FLUX-QUANTUM LOGIC DEVICE
IEEE_E_D_1980_27_10.pdf
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