All-optical subtractor based on logic gate

• Main Authors: XING JIANCHANG, XING LUWEN, LIU PING, XING PEIHONG, XING ZHUANYI
• Format: Patent
• Language: Chinese; English
• Published: 07.11.2023
• Subjects: DEVICES OR ARRANGEMENTS, THE OPTICAL OPERATION OF WHICH ISMODIFIED BY CHANGING THE OPTICAL PROPERTIES OF THE MEDIUM OF THEDEVICES OR ARRANGEMENTS FOR THE CONTROL OF THE INTENSITY,COLOUR, PHASE, POLARISATION OR DIRECTION OF LIGHT, e.g.SWITCHING, GATING, MODULATING OR DEMODULATING; FREQUENCY-CHANGING; NON-LINEAR OPTICS; OPTICAL ANALOGUE/DIGITAL CONVERTERS; OPTICAL LOGIC ELEMENTS; OPTICS; PHYSICS; TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF

The utility model provides an all-optical subtractor based on a logic gate, and mainly relates to the technical field of optical information processing. An all-optical subtractor based on a logic gate comprises a first optical splitter, the first optical splitter is connected with a first optical NOT gate, the first optical splitter is connected with a first exclusive-OR gate, the first optical NOT gate is connected with a first optical AND gate, the first exclusive-OR gate is connected with a second optical splitter, the second optical splitter is connected with the first optical AND gate, and the second optical splitter is connected with a second optical NOT gate. The second optical splitter is connected with the second exclusive-OR gate, the first optical AND gate is connected with the optical OR gate, the second optical NOT gate is connected with the second optical AND gate, the second exclusive-OR gate is connected with the third optical splitter, the third optical splitter is connected with the second o