Abstract
In terahertz system, controlling terahertz wave propagation is a very important issue. In this letter, we have proposed and demonstrated a terahertz wave Set-Reset latch based on two-dimensional photonic crystal. The present device consists of two photonic crystal NOR gates and two photonic crystal multimode-interfere structures. Finite-difference time-domain method is used to analyze and confirm the propagation properties of the device. The total size of our proposed Set-Reset latch is equal to 85a×40a. The response time of the Set-Reset latch is 3.25ps. Our study suggests that the Set-Reset latch has great potential in future terahertz wave information processing integrated circuit.
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