Results 21 to 30 of about 465,453 (325)
Photonics, 2022 In order to meet the massively increasing requirements of big-data applications, data centers (DCs) are key infrastructures to cope with the associated demands, such as high performance, easy scalability, low cabling complexity and low power consumption.
Shaojuan Zhang +3 more
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Design of a 0.13 µm SiGe Limiting Amplifier with 14.6 THz Gain-Bandwidth-Product [PDF]
Advances in Radio Science, 2017 This paper presents the design of a limiting amplifier with 1-to-3 fan-out implementation in a 0.13 µm SiGe BiCMOS technology and gives a detailed guideline to determine the circuit parameters of the amplifier for optimum high-frequency performance ...
S. Park +3 more
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Ultra-narrow Band Perfect Absorber and Its Application as Plasmonic Sensor in the Visible Region
Nanoscale Research Letters, 2017 We propose and numerically investigate a perfect ultra-narrowband absorber with an absorption bandwidth of only 1.82 nm and an absorption efficiency exceeding 95% in the visible region.
Dong Wu +8 more
doaj +1 more source
Fully integrated high quality factor GmC bandpass filter stage with highly linear operational transconductance amplifier [PDF]
Advances in Radio Science, 2017 This paper presents an electrical, fully integrated, high quality (Q) factor GmC bandpass filter (BPF) stage for a wireless 27 MHz direct conversion receiver for a bendable sensor system-in-foil (Briem et al., 2016).
J. Briem +6 more
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Nanoscale Research Letters, 2018 Plasmonic metasurfaces have attracted much attention in recent years owing to many promising prospects of applications such as polarization switching, local electric field enhancement (FE), near-perfect absorption, sensing, slow-light devices, and ...
Dong Wu +9 more
doaj +1 more source
Two-photon absorption in microcavities for optical autocorrelation and sampling [PDF]
, 2003 We have designed novel semiconductor microcavity structures for the enhancement of the two-photon absorption (TPA) photocurrent. We report a TPA autocorrelation technique for short optical pulses that uses the microcavity structure instead of a second ...
Barry, Liam P. +7 more
core +1 more source
Tera-sample-per-second arbitrary waveform generation in a synthetic dimension
Communications Physics, 2023 Synthetic dimension opens new horizons in quantum physics and topological photonics by enabling new dimensions for field and particle manipulations.
Yiran Guan +8 more
doaj +1 more source
Silicon-Based Metastructure Optical Scattering Multiply–Accumulate Computation Chip
Nanomaterials, 2022 Optical neural networks (ONN) have become the most promising solution to replacing electronic neural networks, which have the advantages of large bandwidth, low energy consumption, strong parallel processing ability, and super high speed.
Xu Liu +10 more
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LD-Pumped Random Fiber Laser Based on Erbium-Ytterbium Co-Doped Fiber
Photonic Sensors, 2019 In this paper, a cladding-pumped erbium-ytterbium co-doped random fiber laser (EYRFL) operating at 1550 nm with high power laser diode (LD) is proposed and experimentally demonstrated for the first time.
Qingyang Meng +4 more
doaj +1 more source
Design of a Tunable Ultra-Broadband Terahertz Absorber Based on Multiple Layers of Graphene Ribbons
Nanoscale Research Letters, 2018 We propose and numerically demonstrate an ultra-broadband graphene-based metamaterial absorber, which consists of multi-layer graphene/dielectric on the SiO2 layer supported by a metal substrate.
Zenghui Xu +6 more
doaj +1 more source