Optical Networking & Sensing | Patents

Estimating Core-Cladding Concentricity Error in Optical Fibers Using Guided Acoustic-Wave Brillouin Scattering

Patent Number: 11,933,605
Fatih Yaman; Eduardo Mateo Rodriguez; Shinsuke Fujisawa; Takanori Inoue; Hussam Batshon; Kohei Nakamura; Yoshihisa Inada
March 19, 2024

Repeater Design For Distributed Acoustic Sensing On Multispan Fiber Links

Patent Number: 11,920,975
Ezra Ip; Fatih Yaman; Shinsuke Fujisawa; Yue-Kai Huang
March 5, 2024

Smart Stadium Applications Using Fiber Optic Sensing

Patent Number: 11,885,670
Ting Wang; Ming-Fang Huang
January 30, 2024

Integrated 3-Way Branching Unit Switch Module Having Small Foot Print

Patent Number: 11,888,583
Shinsuke Fujisawa; Ryuji Aida; Fatih Yaman; Takigawa Yoshinari; Eduardo Fabian Mateo Rodriguez; Hussam Batshon; Yoshihisa Inada; Takanori Inoue
January 30, 2024

Dynamic Anomaly Localization Of Utility Pole Wires

Patent Number: 11,881,688
Yangmin Ding; Ting Wang; Yuanda (Eric) Xu; Sarper Ozharar; Yue Tian
January 23, 2024

Utility Pole Integrity Assessment System By Distributed Acoustic Sensing And Machine Learning

Patent Number: 11,846,569
Yue Tian; Sarper Ozharar; Ting Wang; Yangmin Ding; Shaobo Han
December 19, 2023

Method For Reducing Gawbs Noise By Reducing Polarization Diffusion Length

Patent Number: 11,782,217
Kohei Nakamura; Yoshihisa Inada; Eduardo Mateo Rodriguez; Takanori Inoue; Hussam Batshon; Shinsuke Fujisawa; Fatih Yaman
October 10, 2023

Traffic Monitoring Using Distributed Fiber Optic Sensing

Patent Number: 11,783,452
Eric Cosatto; Philip Ji; Ting Wang
October 10, 2023

Distribution Transformer Localization And Monitoring Using Distributed Fiber Optic Sensing

Patent Number: 11,754,612
Yue Tian; Sarper Ozharar; Yangmin Ding; Ting Wang
September 12, 2023

Distributed Fiber Optic Sensor Placement

Patent Number: 11,742,939
Philip Ji; Zilong Ye; Ting Wang
August 29, 2023

Active Microphone For Increased Das Acoustic Sensing Capability

Patent Number: 11,736,867
Junqiang Hu; Ting Wang
August 22, 2023

Context Encoder-Based Fiber Sensing Anomaly Detection

Patent Number: 11,733,089
Shaobo Han; Eric Cosatto; Ming-Fang Huang
August 22, 2023

Spatial Averaging Method For Coherent Distributed Acoustic Sensing

Patent Number: 11,733,088
Yue-Kai Huang; Junqiang Hu; Ezra Ip
August 22, 2023

Street Light Operating Status Monitoring Using Distributed Optical Fiber Sensing

Patent Number: 11,733,070
Yangmin Ding; Yuanda (Eric) Xu; Sarper Ozharar; Yue Tian; Ting Wang
August 22, 2023

Three-way branching unit switch module having a small footprint

Patent Number: 11,700,067
Ryuji Aida; Shinsuke Fujisawa; Fatih Yaman; Yoshihisa Inada; Eduardo Mateo Rodriguez; Hussam Batshon; Takigawa Yoshinari; Takanori Inoue; Kohei Nakamura; Kurahashi Ryu
July 11, 2023

Contrastive Learning of Utility Pole Representations from Distributed Acoustic Sensing Signals

Patent Number: 11,698,290
Yue Tian; Shaobo Han; Ting Wang; Sarper Ozharar; Yangmin Ding
July 11, 2023

Method Providing Increased Signal-to-Noise (SNR) for Coherent Distributed Acoustic Sensing

Patent Number: 11,698,289
Shuji Murakami; Ting Wang; Junqiang Hu
July 11, 2023

Polarization Diversity Combining Method in Coherent DAS Maintaining Phase Continuity

Patent Number: 11,692,867
Yue-Kai Huang; Junqiang Hu; Ezra Ip
July 04, 2023

Hybrid Distributed Fiber Optic Sensing

Patent Number: 11,686,602
Ming-Fang Huang; Yoshiaki Aono; Glenn Wellbrock; Tiejun Xia; Ting Wang
June 27, 2023

Smart Refrigeration Using Distributed Fiber Optic Sensing

Patent Number: 11,686,628
Ting Wang; Ming-Fang Huang
June 27, 2023

Utility Pole Localization Using Distributed Acoustic Sensing

Patent Number: 11,686,909
Yue Tian
June 27, 2023

Sparse Excitation Method For 3-Dimensional Underground Cable Localization By Fiber Optic Sensing

Patent Number: 11,681,042
Ming-Fang Huang; Ting Wang; Hansi Liu
June 20, 2023

Continuous Utility Pole Monitoring Using Distributed Acoustic Sensing

Patent Number: 11,680,849
Ting Wang; Yangmin Ding; Yue Tian; Sarper Ozharar
June 20, 2023

Concurrent Sensing Distributed Fiber Optic Sensor Placement

Patent Number: 11,677,470
Philip Ji; Ting Wang; Zilong Ye
June 13, 2023

Saturation Caused Phase Jump Avoidance In Das

Patent Number: 11,674,827
Junqiang Hu
June 13, 2023

Suppressed out-of-band level for increasing loss margin and stable ABC operation of coded DFOS system

Patent Number: 11,664,893
Yue-Kai Huang; Junqiang Hu
May 30, 2023

Indoor Disaster Localization via Hybrid Ethernet/Optical Fiber Cable

Patent Number: 11,652,552
Ting Wang; Ming-Fang Huang
May 16, 2023

Optical Fiber Degradation Monitoring by Distributed Temperature Sensing

Patent Number: 11,644,369
Yaowen Li; Ming-Fang Huang
May 9, 2023

Underground Optical Fiber Cable Localization

Patent Number: 11,619,523
Ming-Fang Huang; Hansi Liu; Ting Wang
April 4, 2023

Distributed Acoustic Sensing Based Natural Frequency Measurement Of Civil Infrastructures

Patent Number: 11,619,542
Yue Tian; Yangmin Ding; Sarper Ozharar; Ting Wang
April 4, 2023

Vehicle Speed, Direction And Size Measurement Using Temporal Distributed Fiber Optic Sensing

Patent Number: 11,619,541
Ting Wang; Sarper Ozharar
April 4, 2023

Rayleigh Fading Mitigation Via Short Pulse Coherent Distributed Acoustic Sensing With Multi-Location Beatingterm Combination

Patent Number: 11,566,937
Junqiang Hu; Shuji Murakami; Ezra Ip; Yue-Kai Huang
January 31, 2023

Multiple Lane Real-Time Traffic Monitor and Vehicle Analysis Using Distributed Fiber Sensing

Patent Number: 11,562,646
Ting Wang; Yuheng Chen; Jingnan Zhao; Ming-Fang Huang
January 24, 2023

Distributed Optical Fiber Sensing Using Point Sensors

Patent Number: 11,543,285
Ting Wang; Junqiang Hu
January 3, 2023

Distributed Acoustic Sensing Using Multi-Band Time-Gated Digital Orthogonal Frequency Domain Reflectometry

Patent Number: 11,543,287
Ezra Ip; Yue-Kai Huang
January 3, 2023

Distributed Acoustic Sensing Based Acoustic Wave Speed Scanning And Mapping Of Civil Infrastructures

Patent Number: 11,543,286
Ting Wang; Sarper Ozharar; Yue Tian; Yangmin Ding
January 3, 2023

Estimating Mode Field Distribution in Optical Fibers From Guided Acoustic-Wave Brillouin Scattering

Patent Number: 11,467,061
Kohei Nakamura; Eduardo Mateo Rodriguez; Fatih Yaman; Takanori Inoue; Takaaki Ogata; Shinsuke Fujisawa; Hussam Batshon; Yoshihisa Inada
October 11, 2022

Rapid temperature measurement method by wavelength modulation spectroscopy

Patent Number: 11,467,037
Da Pan; Yue Tian
October 11, 2022

Distributed Intelligent Traffic Informatics Using Fiber Sensing

Patent Number: 11,468,667
Ming-Fang Huang; Milad Salemi
October 11, 2022

Physical Layer Security in Network Sensing Architecture

Patent Number: 11,470,117
Ting Wang; Ming-Fang Huang
October 11, 2022

Neural Network Transfer Learning for Quality of Transmission Prediction

Patent Number: 11,461,635
Weiyang Mo; Ezra Ip; Shaoliang Zhang; Yue-Kai Huang
October 4, 2022

Bidirectional fiber communication and sensing WDM architecture using same fiber transmission band

Patent Number: 11,463,171
Ezra Ip; Yue-Kai Huang; Ming-Fang Huang; Philip Ji
October 4, 2022

Aerial fiber optic cable localization by distributed acoustic sensing

Patent Number: 11,428,570
Yue Tian
August 30, 2022

Wind Speed Measurement Using Distributed Fiber Optic Sensing

Patent Number: 11,422,146
Ting Wang; Ming-Fang Huang
August 23, 2022

Optical Fiber Sensing Systems, Methods, Structures, And Application

Patent Number: 11,391,622
Junqiang Hu; Philip Ji; Yaowen Li; Ezra Ip; Shuji Murakami; Yue-Kai Huang
July 19, 2022

Distributed Sensing Over Switched Optical Fiber Networks

Patent Number: 11,387,898
Ting Wang; Philip Ji; Ming-Fang Huang; Yaowen Li
July 12, 2022

Efficient Transfer Of Sensor Data On Dynamic Software Defined Network (Sdn) Controlled Optical Network

Patent Number: 11,387,926
Ting Wang; Junqiang Hu; Shailendra Gaikwad
July 12, 2022

Improving Performance Of Rayleigh-Based Phase-Otdr With Correlation-Based Diversity Combining And Bias Removal Cross

Patent Number: 11,378,443
Yue-Kai Huang; Ezra Ip
July 5, 2022

Smart Cable Positioning/Location Using Optical Fiber Sensing

Patent Number: 11,366,231
Ting Wang; Ming-Fang Huang; Yuheng Chen
June 21, 2022

Multi-Frequency Coherent Distributed Acoustic Sensing (Das) With Single Transmitter / Receiver Pair Using Offset Tx / Rx Frequency Framing Scheme

Patent Number: 11,320,304
Yue-Kai Huang; Ezra Ip
May 3, 2022

Constant Amplitude Coded DFOS Using Out-of-Band Signaling

Patent Number: 11,296,786
Yue-Kai Huang; Ezra Ip; Fatih Yaman
April 5, 2022

Network Sensing Topologies For Fiber Optic Sensing

Patent Number: 11,284,173
Ming-Fang Huang; Ting Wang
March 22, 2022

Single-Step Nonlinearity Compensation Using Artificial Intelligence For Digital Coherent Transmission Systems

Patent Number: 11,270,200
Shaoliang Zhang; Takanori Inoue; Eduardo Mateo Rodriguez; Yoshihisa Inada; Ting Wang; Fatih Yaman; Kohei Nakamura
March 8, 2022

Single Mode Fiber Distributed Temperature Sensing With Improved Noise Characteristics

Patent Number: 11,204,286
Yaowen Li; Ming-Fang Huang; Philip Ji; Ting Wang; Shuji Murakami
December 21, 2021

Amplifier Dynamics Compensation For Brillouin Optical Time-Domain Reflectometry

Patent Number: 11,193,801
Yue-Kai Huang; Ezra Ip
December 7, 2021

High Speed Frequency Hopping Das Interrogation Using Aom-Gated Re-Circulating Loop And Frequency-Shifted Receiver Lo

Patent Number: 11,159,200
Ezra Ip; Giovanni Milione; Yue-Kai Huang; Fatih Yaman
October 26, 2021

Implementation: For Ir 18073 – Optical Network Performance Evaluation Using A Hybrid Neural Network

Patent Number: 11,133,865
Jiakai Yu; Ezra Ip; Yue-Kai Huang; Shaoliang Zhang
September 28, 2021

Time-Space De-Noising For Distributed Sensors

Patent Number: 11,132,542
Shuji Murakami; Ting Wang; Giovanni Milione; Philip Ji
September 28, 2021

Two Stage Detection Method For Distributed Vibration Detection

Patent Number: 11,131,578
Junqiang Hu; Ting Wang
September 28, 2021

Systems And Methods For Identifying Locations Of Deployed Fiber Cables Based On Vibrations

Patent Number: 11,060,950
Ting Wang; Ming-Fang Huang; Glenn Wellbrock; Tiejun Xia
July 13, 2021

Uni-Directional Signal Transmit Method Using Distributed Fiber Sensing

Patent Number: 11,054,303
Junqiang Hu; Ting Wang
July 6, 2021

Multicore Fiber Amplifier With High Power Efficiency

Patent Number: 11,043,786
Yoshihisa Inada; Takanori Inoue; Shaoliang Zhang; Kohei Nakamura; Fatih Yaman; Eduardo Mateo Rodriguez
June 22, 2021

Distributed Sensing Over Optical Fiber Carrying Live, High-Speed Data

Patent Number: 10,931,366
Yaowen Li; Tiejun Xia; Philip Ji; Glenn Wellbrock; Ming-Fang Huang; Ting Wang
February 23, 2021

Optical Fiber Sensing Systems, Methods, Structures And Applications

Patent Number: 10,917,168
Ming-Fang Huang; Yue-Kai Huang; Ting Wang; Ezra Ip
February 9, 2021

G-Osnr Estimation On Dynamic Ps-Qam Channels Using Hybrid Neural Network

Patent Number: 10,887,009
Ezra Ip; Yue-Kai Huang; Jiakai Yu; Shaoliang Zhang
January 5, 2021

High-Density Submarine Roadm Unit With Remote Wss Redundancy

Patent Number: 10,855,392
Eduardo Mateo Rodriguez; Takehiro Nakano; Ryuji Aida
December 1, 2020