公开(公告)号：US20220094561A1

公开(公告)日：2022-03-24

申请号：US17412852

申请日：2021-08-26

Applicant: Taiyuan University of Technology

Inventor： Jianguo Zhang ,  Xin Wang ,  Guodong Zhang ,  Yuncai Wang ,  Pu Li ,  Xianglian Liu

IPC: H04L9/32

Abstract: A physically unclonable function (PUF) device includes a hybrid Boolean network module of a ring of N number of Boolean nodes connected end to end and a sampling module, wherein the hybrid Boolean network module comprises N number of xor logic gates and corresponding N number of multiplexers, wherein a function change module is disposed between an output end of a first xor logic gate of the N number of xor logic gates and an input end of a first multiplexer of the N number of multiplexers, wherein each Boolean node is provided with four input ends and three output ends, the four input ends respectively connected to an output end of each of two juxtaposing Boolean nodes, an initial excitation signal and a control delay signal, the three output ends respectively output to an input of each of two juxtaposing Boolean nodes, and the sampling module.

公开(公告)号：US11152763B2

公开(公告)日：2021-10-19

申请号：US16622061

申请日：2018-08-27

Applicant: Taiyuan University Of Technology

Inventor： Mingjiang Zhang ,  Jianzhong Zhang ,  Ya'nan Niu ,  Yi Liu ,  Tong Zhao ,  Lijun Qiao ,  Anbang Wang ,  Yuncai Wang

IPC: H01S5/12 ,  H01S5/026 ,  H01S5/0625 ,  H01S5/343 ,  H01S5/40

Abstract: An InP-based monolithic integrated chaotic semiconductor laser chip capable of feeding back randomly diffused light, being composed of six regions: a left DFB semiconductor laser, a bidirectional SOA, a left passive optical waveguide region, a doped passive optical waveguide region, a right passive optical waveguide region, and a right DFB semiconductor laser, specifically including: an N+ electrode layer, an N-type substrate, an InGaAsP lower confinement layer, an undoped InGaAsP multiple quantum well active region layer, doped particles, distributed feedback Bragg gratings, an InGaAsP upper confinement layer, a P-type heavily doped InP cover layer, a P-type heavily doped InGaAs contact layer, a P+ electrode layer, a light-emitting region, and isolation grooves. It effectively solves problems of bulky volume of the existing chaotic laser source, the time-delay signature of chaotic laser, narrow bandwidth, and low coupling efficiency of the light and the optical waveguide.

公开(公告)号：US11081860B2

公开(公告)日：2021-08-03

申请号：US16835803

申请日：2020-03-31

Applicant: TAIYUAN UNIVERSITY OF TECHNOLOGY

Inventor： Anbang Wang ,  Yixuan Wang ,  Yuncai Wang ,  Yuanyuan Guo ,  Longsheng Wang ,  Tong Zhao

IPC: H01S5/00 ,  H01S5/10 ,  H01S5/026 ,  H01S5/14 ,  H01S5/02

Abstract: The present invention discloses an integrated broadband chaotic semiconductor laser using optical microcavities. The arc-shaped hexagonal laser outputs light. Part of the light is totally reflected through the deformed microcavity and then reflected out of the deformed microcavity from the passive waveguide II; after entering the passive feedback waveguide, another part of the light is fed back into the deformed microcavity by the high reflection film, passes through an in-cavity ray track and then is also reflected out of the deformed microcavity from the passive waveguide II; the two-path light is coupled into the arc-shaped hexagonal laser, and finally generated chaotic laser light is directionally coupled and output through the passive waveguide I at the other end of the arc-shaped hexagonal laser. The present invention has wide broadband, flat spectrum, compact structure, and no time delay signature.

公开(公告)号：US20210116311A1

公开(公告)日：2021-04-22

申请号：US17252992

申请日：2019-05-05

Applicant: TAIYUAN UNIVERSITY OF TECHNOLOGY

Inventor： Mingjiang Zhang ,  Jian Li ,  Jianzhong Zhang ,  Lijun Qiao ,  Baoqiang Yan ,  Yang Xu ,  Baoquan Jin ,  Dong Wang ,  Yu Wang ,  Yuncai Wang

IPC: G01K15/00 ,  G01K11/324

Abstract: A self-calibration detection device and a temperature demodulation method oriented to a fiber Raman temperature sensing system. The self-calibration detection device comprises a fiber Raman thermodetector, thermostatic baths, a multi-mode sensing fiber, and a multi-mode reflector. The fiber Raman thermodetector comprises a pulsed laser whose output end is connected to the input end of a WDM. Two output ends of the WDM are respectively connected to input ends of a first and second APDs. Output ends of the first and second APDs are respectively connected to input ends of a first and second LNAs. Output ends of the first and second LNAs are connected to the input end of a data acquisition card whose output end is connected with the input end of a computer. The temperature demodulation method can solve the problems of low temperature measuring accuracy, lower temperature measurement stability and low temperature measurement efficiency.

公开(公告)号：US10944498B2

公开(公告)日：2021-03-09

申请号：US16880177

申请日：2020-05-21

Applicant: Taiyuan University of Technology

Inventor： Anbang Wang ,  Tong Zhao ,  Yuncai Wang ,  Bingjie Wang ,  Peixin He

IPC: H04J14/08 ,  H04J14/02

Abstract: The present invention discloses a device and a method for monitoring two-stage faults of a TDM-PON with high precision. A two-stage TDM-PON system includes an OLT I, a feeder fiber II, a stage-1 1:n optical splitter III, a stage-1 branch fiber IV, a stage-2 1:n optical splitter V, a stage-2 branch fiber VI, and an optical network unit (ONU) VII. A two-stage optical network monitoring system includes a monitoring part on the OLT I side and a monitoring part on the ONU VII side, where the monitoring part on the OLT I side includes a control-end isolator-free semiconductor laser, a control-end coupler, a control-end optical coupling device, a control-end photodetector, an integrated signal acquisition and processing device, and an optical coupling device; and the monitoring part on the ONU VII side is similar to the monitoring part of the OLT I side.