Photonic crystal all-optical multistep-delay OR-transformation logic gate

A PhC all-optical multistep-delay OR-transformation logic gate, wherein said PhC all-optical multistep-delay OR-transformation logic gate comprising:

• an optical switch unit, a PhC structure unit, a reference-light source, wave absorbing load, a D-type flip-flop unit and a memory or delayer;
• an input port of a memory or delayer is connected with a first logic-signal X1, and the output port of the memory or delayer is connected with the delay-signal input port of an optical switch unit;
• a logic-signal input port of said optical switch unit is connected with a second logic-signal X2;
• said reference-light source is connected with the reference-light input port of said optical switch unit;
• a first intermediate-signal input port of said PhC structure unit is connected with the first intermediate-signal output port of said optical switch unit;
• the second intermediate-signal input port of said PhC structure unit is connected with the second intermediate-signal output port of said optical switch unit;
• and the third intermediate-signal output port of said optical switch unit is connected with the wave absorbing load;
• a clock control-signal CP is input through the input port of a two-branch waveguide, one port of a two-branch waveguide is connected with a clock-signal CP input port of said optical switch unit, and another port of a two-branch waveguide is connected with said clock-signal input port of said D-type flip-flop unit;
• the D-signal input port of said D-type flip-flop unit is connected with the signal-output port of said PC structure unit.