Results 1 to 10 of about 58,994 (214)
A Compact Dual-Band Differential Negative Group Delay Circuit With Wideband Common Mode Suppression
IEEE Journal of Microwaves, 2022 A compact dual-band differential negative group delay (DNGD) circuit with wideband common mode suppression is proposed. Two small 180° phase shift swap structures of double-sided parallel striplines (DSPS) are adopted to realize intrinsic wideband
Zhongbao Wang +3 more
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Photonics, 2022 Self-mode-locked semiconductor disk lasers possess compact resonant cavity and stable construction. These devices have a wide application prospect because of their picosecond to sub-picosecond pulse width, excellent beam quality and tailorable emission ...
Tao Wang +4 more
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On-chip differential mode group delay manipulation based on 3D waveguides
ChipMode-division multiplexing based on few-mode optical fiber is a promising technology to increase the transmission capacity of optical communication systems, where multi-input multi-output (MIMO) digital signal processing (DSP) is employed to (de ...
Xiaofeng Liu +6 more
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Differential Single-Crystal Waveguide Ultrasonic Temperature Measurements Based on Magnetostriction [PDF]
MicromachinesIn extremely harsh high-temperature environments in aerospace, industrial manufacturing and other fields, traditional ultrasonic temperature measurement technology has certain limitations.
Yanlong Wei +8 more
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Twisted Silica Microstructured Optical Fiber with Equiangular Spiral Six-Ray Geometry
Fibers, 2021 This work presents fabricated silica microstructured optical fiber with special equiangular spiral six-ray geometry, an outer diameter of 125 µm (that corresponds to conventional commercially available telecommunication optical fibers of ratified ITU-T ...
Anton V. Bourdine +20 more
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Twisted Few-Mode Optical Fiber with Improved Height of Quasi-Step Refractive Index Profile
Sensors, 2022 This work presents designed and fabricated silica few-mode optical fiber (FMF) with induced twisting 10 and 66 revolutions per meter, core diameter 11 µm, typical “telecommunication” cladding diameter 125 µm, improved height of quasi-step refractive ...
Anton V. Bourdine +21 more
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Few-Mode Fibers With Uniform Differential Mode Group Delay for Microwave Photonic Signal Processing
IEEE Access, 2020 We present a novel design of few-mode fiber (FMF) with a uniform differential mode group delay (U-DMGD) among propagating modes and apply the FMF to a single-fiber delay line module for implementing microwave photonic finite impulse response (FIR ...
Jian Zhao +5 more
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Self−Mode−Locked 2−μm GaSb−Based Optically Pumped Semiconductor Disk Laser
Applied Sciences, 2023 We present a mode−locked GaSb−based optically pumped semiconductor disk laser operating at 2 µm based on the self−mode−locked mechanism. Using the delay differential equation model, we discuss the influence of cavity length on the stability of self−mode ...
Jian Feng +7 more
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Fibers, 2020 We present new type of silica graded index laser-optimized multimode optical fibers (LOMF) with extremely enlarged core diameter up to 100 μm and “typical” “telecommunication” cladding diameter 125 μm. This optical fiber
Vladimir A. Burdin +12 more
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A new Network Simulation Method for the characterization of delay differential equations
Ain Shams Engineering Journal, 2023 In this work, we provide for the first time the characterization of delay terms in systems of delay differential equations within the frame of the Network Simulation Method, a procedure that sets a formal equivalence between the system of differential ...
Manuel Caravaca Garratón +2 more
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