Results 31 to 40 of about 127,538 (161)
High-Sensitive Refractive Index Sensing Enabled by Topological Charge Evolution
IEEE Photonics Journal, 2020 A high-sensitive refractive index sensor is proposed and demonstrated by utilizing merging bound states in the continuum, namely a set of integer topological charges in the momentum space.
Jiaxin Lv +5 more
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IEEE Photonics Journal, 2022 Low polarization-dependent semiconductor optical amplifiers (SOAs) with an easy fabrication process and the capability to be co-integrated with passive elements are crucial in photonic integrated circuits.
Aref Rasoulzadeh Zali +2 more
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A Hybrid Strategy Two‐Dimensional Concrete Aggregate Filling Algorithm
Engineering ReportsAccurate and highly efficient construction of numerical concrete models with different gradations is important to analyze the acoustic properties of ultrasonic waves in concrete. The random aggregates‐based method is a classic approach to meso‐structural
Xu Tian +4 more
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Adaptive Probabilistic Shaping Using Polar Codes for FSO Communication
IEEE Photonics Journal, 2022 An adaptive polar coded probabilistic shaping scheme for free-space optical (FSO) communication is proposed and demonstrated to improve transmission performance.
Xiaoyu Liu +4 more
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Spectral Efficiency Improved 2D-PAM8 Trellis Coded Modulation for Short Reach Optical System
IEEE Photonics Journal, 2017 This paper proposes and demonstrates a 31.25 Gbps two-dimensional eight level pulse amplitude modulation with trellis coded modulation (2D-PAM8-TCM) transmission in intensity modulation and direct detection based short reach system. In this system,
Yan Fu +5 more
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OLS-Based RBF Neural Network for Nonlinear and Linear Impairments Compensation in the CO-OFDM System
IEEE Photonics Journal, 2018 For the first time, we propose and experimentally verify a novel low-complexity orthogonal least square (OLS) based radial basis function (RBF) neural network (NN) nonlinear equalizer for high-speed coherent optical orthogonal frequency division ...
Ling Liu +5 more
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Long-Range Distributed Vibration Sensing Based on Phase Extraction From Phase-Sensitive OTDR
IEEE Photonics Journal, 2016 Distributed fiber-optic vibration sensors based on phase-sensitive optical time-domain reflectometry ( $\phi$-OTDR) have found many applications in various fields.
Guangyao Yang +5 more
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Single LED Beacon-Based 3-D Indoor Positioning Using Off-the-Shelf Devices
IEEE Photonics Journal, 2016 In this paper, we demonstrate a single light-emitting diode (LED) beacon-based 3-D indoor positioning scheme by experiment and theoretical derivation, which can overcome the limitation of multiple LED beacons involved in one positioning process. Only off-
Yinan Hou +5 more
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IEEE Photonics Journal, 2017 In this paper, the performance of polar code in high-speed coherent optical orthogonal frequency division multiplexing (CO-OFDM) system with nonlinear and linear impairments is comprehensively investigated for the first time.
Ling Liu +5 more
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