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141
History of the development of telecommunications infrastructure in Japan
Published 2020-02-01“…The domestic telegraph networks had been steadily expanded from the large metropolises to local cities from the end of the 19th century to the early 20th century. Even the recent optical fiber networks maintain a similar configuration. …”
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142
Quantum key distribution implemented with d-level time-bin entangled photons
Published 2025-01-01“…Time-bin entangled qudits are promising candidates for implementing high-dimensional quantum communications over optical fiber networks with processing rates approaching those of classical telecommunications. …”
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143
High Temperature Endurable Fiber Optic Accelerometer
Published 2014-01-01“…The reflection-based extrinsic fiber optic accelerometer developed in this study consists of a transmissive grating panel, reflective mirror, and two optical fiber collimators as the transceiver whose function can be maintained up to 130°C. …”
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144
Two-wavelength WDM multiplexers based on combined fiber structures
Published 2021-08-01“…One of the main directions in the development of optical communication systems is associated with the use of optical fiber (ОF) for data reception and transmission. …”
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145
Distributed Fiberoptic Sensor for Simultaneous Temperature and Strain Monitoring Based on Brillouin Scattering Effect in Polyimide-Coated Fibers
Published 2020-01-01“…A unique multiparameter sensor for distributed measurement of temperature and strain based on spontaneous Brillouin scattering in polyimide-coated optical fiber is proposed, which is an excellent candidate for the cross-sensitivity problem in conventional Brillouin sensing network. …”
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146
Study on the Life-Cycle Health Monitoring Technology of Water-Rich Loess Tunnel
Published 2019-01-01“…It indicates that the vibrating wire sensor and the distributed optical fiber were successful in achieving the life-cycle health monitoring of water-rich loess tunnel. …”
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147
Remote Characterization and Dissemination of Disper sion Compensated Ultrashort Pulses Through Dynamic Fiber Optic Links
Published 2025-01-01“…This work demonstrates the delivery of dispersion-compensated pulses over standard optical fiber links and their characterization using a simple measurement module at satellite locations. …”
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148
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149
A Study Using the Network Simulation Method and Nondimensionalization of the Fiber Fuse Effect
Published 2024-12-01“…Using NGSpice, thermal interactions in an anisotropic optical fiber under high optical power conditions are simulated. …”
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150
Time Domain Equalization and Digital Back-Propagation Method-Based Receiver for Fiber Optic Communication Systems
Published 2020-01-01“…Thus, the effects that add up to the optical fiber impairments such as optical fiber chromatic dispersion (OFCD), polarization model dispersion (PMD), and phase offset and noise (POaN) need to be addressed at the receiver side. …”
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151
Fiberoptic-Coupled Spectrofluorometer with Array Detection as a Process Analytical Chemistry Tool for Continuous Flow Monitoring of Fluoroquinolone Antibiotics
Published 2020-01-01“…The excitation beam is introduced to the sample chamber by an optical fiber. The fluorescence emitted upon excitation is collected at the right angle using another optical fiber and then transmitted to the fluorescence spectrometer which utilizes an array detector. …”
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152
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153
Analytical Approach to Polarization Mode Dispersion in Linearly Spun Fiber with Birefringence
Published 2016-01-01“…The behavior of Polarization Mode Dispersion (PMD) in spun optical fiber is a topic of great interest in optical networking. …”
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154
Comparative Study of γ Radiation-Induced Effects on Fiber Bragg Gratings by Femtosecond Laser Point-by-Point Method and Line-by-Line Method
Published 2025-01-01“…In the realm of advanced optical fiber sensing (OFS) technologies, Fiber Bragg Grating (FBG) has garnered widespread application in the monitoring of temperature, strain, and external refractive indices, particularly within high-radiation environments such as high-energy physics laboratories, nuclear facilities, and space satellites. …”
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155
Study on Reasonable Size of Coal and Rock Pillar in Dynamic Pressure Roadway Segment of Fully Mechanized Face in Deep Shaft
Published 2020-01-01“…The research direction of deep rock mass testing is discussed, and optical fiber testing in boreholes is considered an effective method for studying deep dynamic disaster control.…”
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156
Key Technologies and Trends for New Generation Transport Network
Published 2013-01-01“…Additionally, focusing on the development and challenges of 100 Gbit/s and beyond 100 Gbit/s WDM systems, the development of optical fiber and fiber-based multiplexing technologies were discussed.…”
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157
Application of integrating VC cross-connecting function with OTN system
Published 2018-02-01“…Due to the advantage of rigidity pipeline,SDH is irreplaceable in carrying high priority service circuit.However,it will withdraw because of equipment ageing.A solution of OTN system with VC cross-connecting function was proposed for the situation which SDH network faced,which could minimize space requirements,conserve energy,save the resource of optical fiber and reduce the operational risk while keeping the advantage of OTN high bandwidth transmission.Pilot testing proves that the system works well and accords with correlative criterion.…”
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158
Gigabit broadband all-optical indoor far-end coverage
Published 2022-07-01“…The indoor wireless local area network has the problem of uneven signal coverage.Moreover, a mismatch between the wireless bandwidth and the incoming broadband rate exists.The research status of wideband indoor wireless coverage was provided with traditional technologies.A new signal coverage technology combining the optical gateway and remote extension covering equipment, using the optical fiber as the transmission medium, was proposed.Experimental results on two examples show that uniform indoor wireless signal coverage and a gigabit level of the rate can be achieved when using the proposed technology.…”
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159
Research status and development trend of optical communication technology
Published 2019-02-01“…With the rapid growth of network bandwidth demand and the development of new applications and network services,the development of optical networks is facing a huge bottleneck of transmission capacity,switching granularity and network control.In order to solve these problems,researchers around the world have put forward new solutions.The technological innovation in optical networks in recent years was discussed,the development of dynamic reconfigurable optical network,integrated optoelectronics and optical fiber transmission technology was mainly discussed,and the future development trend of optical networks was analyzed in order to provide reference for related research.…”
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160
Experimental Study on the Concept of Hollow-Core Photonic Bandgap Fiber Stethoscope
Published 2018-01-01“…In the experiment, the HC-1550 is used as a measuring arm of an unbalanced Mach-Zehnder interferometer (MZI) and the conventional single-mode optical fiber (SMF) is used as an isolated reference arm. …”
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