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21. 发明申请

US20120251048A1 Photonic Crystal Four-Port Circulator Based on Coupling of Magneto-Optical Cavities 失效
标题翻译：基于磁光腔耦合的光子晶体四端口循环器
公开(公告)号：US20120251048A1
公开(公告)日：2012-10-04
申请号：US13503401
申请日：2010-11-29
申请人： Zhengbiao Ouyang , Qiong Wang
发明人： Zhengbiao Ouyang , Qiong Wang
IPC分类号： G02B6/26
CPC分类号： G02B6/264 , B82Y20/00 , G02B6/1225 , G02B6/125 , G02B6/26 , G02B6/2746 , G02B6/29395 , G02F1/0955 , G02F2202/32
摘要： The invention relates to a photonic crystal four-port circulator based on the coupling of magneto-optical cavities, which comprises two same magneto-optical cavities and three waveguides which are symmetrically distributed on the periphery of each magneto-optical cavity, wherein two waveguides connected with the magneto-optical cavities respectively are in a “v-shaped” arrangement, thereby guaranteeing that waveguides which are connected with the left sides of the two magneto-optical cavities are parallel to each other and waveguides which are connected with the right sides of the two magneto-optical cavities are parallel to each other as well and achieving the high-efficiency transmission in the case of the coupling of the magneto-optical cavities. The circulator provided by the invention utilizes the optical activity of the magneto-optical cavities to realize the rotation of the mode pattern of electromagnetic fields in the cavities, achieves the light transmission and isolation effects on different waveguides.
摘要翻译：本发明涉及一种基于磁光腔的耦合的光子晶体四端口环行器，其包括两个相同的磁光腔和三个对称分布在每个磁光腔的周边上的波导，其中两个波导连接磁光腔分别为V形布置，从而保证与两个磁光腔的左侧连接的波导彼此平行并且与两个光磁腔的右侧连接的波导磁光腔也彼此平行，并且在磁光腔的耦合的情况下实现高效传输。本发明提供的循环器利用磁光腔的光学活动来实现空腔中电磁场的模式图案的旋转，实现对不同波导的透光和隔离效果。

22. 发明授权

US10539742B2 Photonic crystal all-optical multistep-delay self-or-transformation logic gate 有权
公开(公告)号：US10539742B2
公开(公告)日：2020-01-21
申请号：US15626226
申请日：2017-06-19
申请人： Zhengbiao Ouyang
发明人： Zhengbiao Ouyang , Quanqiang Yu
IPC分类号： G02B6/12 , G02B6/122 , G02F3/00 , G02F1/365 , G02B6/125
摘要： A PhC all-optical multistep-delay self-OR-transformation logic gate including an optical switch unit, a PhC structure unit, a reference-light, a memory or delayer, a D-type flip-flop unit and a wave absorbing load; a logic signal X is connected to the input port of a two-branch waveguide whose two output ports are respectively connected with the input port of the memory and the logic-signal input port of the optical switch unit; the output port of the memory is connected with the delay-signal input port of the optical switch unit; the reference-light source is connected with the reference-light input port of the optical switch unit whose three intermediate-signal output ports are respectively connected with the first and second intermediate-signal input ports of the PhC structure unit and the wave absorbing load; and the output port of the PhC structure unit is connected with the D-signal input port of the D-type flip-flop unit.

23. 发明授权

US10095082B2 TE optical switch with high extinction ratio based on slab photonic crystals 有权
公开(公告)号：US10095082B2
公开(公告)日：2018-10-09
申请号：US15626156
申请日：2017-06-18
申请人： Zhengbiao Ouyang
发明人： Zhengbiao Ouyang , Guohua Wen
IPC分类号： G02F1/313 , G02B6/122 , G02B6/12
摘要： The present invention discloses a TEOS with a high extinction ratio based on slab PhCs which comprises an upper slab PhC and a lower slab PhC connected as a whole; the upper slab PhC is a first square-lattice slab PhC, the unit cell of the first square-lattice slab PhC includes a high-refractive-index rotating-square pillar, three first flat dielectric pillars and a background dielectric, the first flat dielectric pillars include a high-refractive-index dielectric pipe and a low-refractive-index dielectric, or 1 to 3 high-refractive-index flat films, or a low-refractive-index dielectric; the lower slab PhC is a second square-lattice slab PhC with a complete bandgap, the unit cell of the second square-lattice slab PhC includes a high-refractive-index rotating-square pillar, three second flat dielectric pillars and a background dielectric is a low-refractive-index dielectric; and an normalized operating frequency of the TEOS is 0.4057 to 0.406.

24. 发明申请

US20180128953A1 RIGHT-HANDED CIRCULAR-POLARIZATION CONVERSION METAMATERIAL FILM 审中-公开
公开(公告)号：US20180128953A1
公开(公告)日：2018-05-10
申请号：US15862042
申请日：2018-01-04
申请人： Zhengbiao Ouyang
发明人： Zhengbiao Ouyang , Quanqiang Yu , Yogesh N•
IPC分类号： G02B5/30
CPC分类号： G02B5/3041 , B82Y20/00 , G02B1/002 , G02B5/3058
摘要： The present invention discloses a right-handed circular-polarization conversion metamaterial film, and is of an optical frequency band metamaterial structure, comprising a first metal microstructure layer, a dielectric substrate layer and a second metal microstructure layer, wherein the first and the second metal microstructure layers are located on two sides of the dielectric substrate layer; an upper surface of the first metal microstructure layer is an incident surface, the lower surface of the second metal microstructure layer is an exit surface; the first and the second metal microstructure layers are of chirally-symmetric left-handed windmill structures or spiral chirally-symmetric left-handed artificial structures, a right-hand-rotated angle using the structure center as a rotation center is formed between the first and the second metal microstructure layers, the amplitudes of two orthogonal components of output light waves are equal, and a phase difference of the two orthogonal components is odd times of 90 degrees.

25. 发明授权

US09880444B2 TM optical switch with high extinction ratio based on slab photonic crystals 有权
公开(公告)号：US09880444B2
公开(公告)日：2018-01-30
申请号：US15620818
申请日：2017-06-12
申请人： Zhengbiao Ouyang
发明人： Zhengbiao Ouyang , Guohua Wen
IPC分类号： G02F1/295 , G02F1/313
CPC分类号： G02F1/3133 , G02B6/122 , G02B26/00 , G02F2201/06 , G02F2202/32 , G02F2203/07
摘要： The present invention discloses a TMOS with a high extinction ratio based on slab PhCs which comprises an upper slab PhC and a lower slab PhC connected as a whole; the upper slab PhC is called as a first square-lattice slab PhC, wherein the unit cell of the first square-lattice slab PhC includes a high-refractive-index rotating-square pillar, three first flat dielectric pillars and a background dielectric, and the first flat dielectric pillars includes a high-refractive-index dielectric pipe and a low-refractive-index dielectric, or of 1 to 3 high-refractive-index flat films, or of a low-refractive-index dielectric; the lower slab PhC is a second square-lattice slab PhC with a complete bandgap, the unit cell of the second square-lattice slab PhC includes a high-refractive-index rotating-square pillar, three second flat dielectric pillars and a background dielectric is a low-refractive-index dielectric and an normalized operating frequency of the TMOS is 0.4057 to 0.406.

26. 发明申请

US20170322375A1 PHOTONIC CRYSTAL ALL-OPTICAL SELF-OR-TRANSFORMATION LOGIC GATE 审中-公开
公开(公告)号：US20170322375A1
公开(公告)日：2017-11-09
申请号：US15626248
申请日：2017-06-19
申请人： Zhengbiao Ouyang
发明人： Zhengbiao Ouyang , Quanqiang Yu
IPC分类号： G02B6/122 , G02F1/365 , G02B6/125 , G02F3/00 , G02B6/12
CPC分类号： G02B6/1225 , G02B6/125 , G02B2006/1213 , G02F1/365 , G02F3/00
摘要： A photonic crystal (PhC) all-optical self-OR-transformation logic gate, which comprises an optical-switch unit (OSU), a PhC structure unit, a reference-light source, a memory or delayer and a D-type flip-flop (DFF); an input port of a delayer is connected with a logic-signal X, and an output port of said delayer is connected with the logic-signal-input port of said OSU; a reference light is connected to the reference-light-input port of said OSU; two intermediate-signal-output ports of said OSU are respectively connected with the two intermediate-signal-input port of said PhC-structure unit; a clock-signal CP is connected to the clock-signal-CP-input port of said OSU and the second clock-signal-input port of said DFF; the signal-output port of said PhC-structure unit is connected with the D-signal input port of said DFF. The structure of the present invention is compact in structure, strong in anti-interference capability and ease in integration with other optical-logic elements.

27. 发明申请

US20170307960A1 Photonic Crystal All-optical Multistep-delay Self-AND-transformation Logic Gate 审中-公开
公开(公告)号：US20170307960A1
公开(公告)日：2017-10-26
申请号：US15626228
申请日：2017-06-19
申请人： Zhengbiao Ouyang
发明人： Zhengbiao Ouyang , Quanqiang Yu
IPC分类号： G02F1/365 , G02B6/125 , G02B6/122 , G02B6/12 , G02F3/00
CPC分类号： G02F1/365 , G02B6/1225 , G02B6/125 , G02B2006/1213 , G02F1/35 , G02F3/00
摘要： A PhC all-optical multistep-delay self-AND-transformation logic gate comprising PhC structure unit, an optical switch unit, a memory or delayer, a wave absorbing load, a D-type flip-flop unit and a NOT logic gate; an logic-signal is connected with the input port of a two-branch waveguide whose two output ports are respectively connected with the memory input port and the logic-signal input port of the optical switch unit; two intermediate-signal output port of the optical switch unit are respectively connected with the intermediate-signal input port of the PhC structure unit and said wave absorbing load; a clock-signal CP is connected with the input port of a three-branch waveguide whose three output ports are respectively connected with the NOT logic-gate input port, the first clock-signal input port of the PhC structure unit, and the second clock-signal input port of the optical switch unit.

28. 发明申请

US20170307823A1 PHOTONIC CRYSTAL ALL-OPTICAL MULTISTEP-DELAY AND-TRANSFORMATION LOGIC GATE 审中-公开
公开(公告)号：US20170307823A1
公开(公告)日：2017-10-26
申请号：US15626239
申请日：2017-06-19
申请人： Zhengbiao Ouyang
发明人： Zhengbiao Ouyang , Quanqiang Yu
IPC分类号： G02B6/122 , G02F1/365 , G02B6/125 , G02F3/00 , G02B6/12
CPC分类号： G02B6/1225 , G02B6/125 , G02B2006/1213 , G02F1/365 , G02F3/00
摘要： The present invention discloses a photonic crystal (PhC) all-optical multistep-delay AND-transformation logic gate, which comprises a PhC-structure unit, an optical-switch unit (OSU), a wave-absorbing load, a NOT-logic gate, a D-type flip-flop (DFF) and a memory or delayer; an input port of a memory is connected with a first logic-signal X1, and an output port of the memory is connected with the delay-signal-input port of the OSU; a second logic-signal X2 is connected with the logic-signal-input port of the OSU; two intermediate-signal-output ports of the OSU are respectively the intermediate-signal-input port of the PhC-structure unit and the wave-absorbing load; a clock-signal CP is connected with the input port of a three-branch waveguide; the signal-output port of the PhC-structure unit is connected with the D-signal-input port of the DFF unit. The structure of the present invention is compact in structure and ease of integration with other optical-logic elements.

29. 发明申请

US20170293203A1 PHOTONIC CRYSTAL ALL-OPTICAL MULTISTEP-DELAY OR-TRANSFORMATION LOGIC GATE 审中-公开
公开(公告)号：US20170293203A1
公开(公告)日：2017-10-12
申请号：US15626261
申请日：2017-06-19
申请人： Zhengbiao Ouyang
发明人： Zhengbiao Ouyang , Quanqiang Yu
IPC分类号： G02F3/00
CPC分类号： G02F3/00 , G02B6/122 , G02F2201/06 , G02F2202/32
摘要： A PhC all-optical multistep-delay OR-transformation logic gate includes an optical switch unit having a first intermediate-signal output port, a PhC structure unit having a first intermediate-signal input port connected with the first intermediate-signal output port, a reference-light source connected with the reference-light input port of the optical switch unit, a wave absorbing load, a flip-flop unit, and a memory or delayer having an input port connected with a first logic signal and an output port connected with the delay-signal input port of an optical switch unit whose logic-signal input port is connected with a second logic signal; a second intermediate-signal input port of the PhC structure unit is connected with the second intermediate-signal output port of said optical switch unit; a third intermediate-signal output port of the optical switch unit is connected with the wave absorbing load; a clock control-signal is input through the input port of a two-branch waveguide.

30. 发明申请

US20170285442A1 OPTICAL CLOCK GENERATOR 审中-公开
公开(公告)号：US20170285442A1
公开(公告)日：2017-10-05
申请号：US15626209
申请日：2017-06-19
申请人： Zhengbiao Ouyang
发明人： Zhengbiao Ouyang , Quanqiang Yu
IPC分类号： G02F3/00 , G02F1/35
CPC分类号： G02F3/00 , G02B6/1225 , G02F1/3501 , G02F2201/06 , G02F2202/32
摘要： An optical clock generator includes a nonlinear cavity unit, a cross-waveguide logic gate unit and a delayer unit; and is of a six-port photonic crystal structure including two reference-light signal-input ports, a feedback-signal-input port, a system-signal and feedback-signal output port and two idle ports; the output port of the cross-waveguide logic gate unit is connected with the input port of the nonlinear cavity unit whose system-signal output port is connected with the input port of said delayer unit whose output port is connected with the input port of the cross-waveguide logic gate unit, the system-signal output port is connected with a two-branch waveguide one of which is used as the system-signal output port, and another is used as the feedback-signal output port and connected to an input port of said delayer unit, the delayer unit performs time delay on an input signal and outputs the signal to the feedback-signal-input port.

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