Dr. Wei Ji Profile

Dr. Wei Ji

Assistant Professor at Shandong Univ

SPIE Involvement:

Author

Publications (18)

Proceedings Article | 18 March 2024 Paper

The wired and wireless hybrid access network based on optimized self-homodyne and heterodyne technology

Xiangyuan Shi, Wei Ji, Pengcheng Liu, Peng Yin

Proceedings Volume 13104, 131042Q (2024) https://doi.org/10.1117/12.3023161

KEYWORDS: Digital signal processing, Heterodyning, Signal detection, Receivers, Optical coherence, Homodyne detection, Optical transmission, Tunable filters, Spectral response, Photodetectors

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SPIE Journal Paper | 14 November 2023

Low power digital signal processing-lite scheme for short-reach polarization demultiplexing-64 quadrature amplitude modulation coherent optical system

Qiang Li, Wei Ji, Penghui Li, Pengcheng Liu, Fengyu Liu, Yuqian Wang, Yanjun Zhu

OE, Vol. 62, Issue 11, 118102, (November 2023) https://doi.org/10.1117/12.10.1117/1.OE.62.11.118102

KEYWORDS: Digital signal processing, Signal processing, Polarization, Analog to digital converters, Power consumption, Tunable filters, Signal filtering, Sampling rates, Optical engineering, Homodyne detection

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SPIE Journal Paper | 26 February 2019

Bidirectional radio-over-fiber system based on optical coupling single-sideband modulation

Lingyu Lv, Wei Ji, Rui Yin, Xueping Shao, Hongji Xu, Zisu Gong, Yujun Li

OE, Vol. 58, Issue 02, 026113, (February 2019) https://doi.org/10.1117/12.10.1117/1.OE.58.2.026113

KEYWORDS: Radio optics, Modulation, Radio over Fiber, Distortion, Transmitters, Singular optics, Single sideband modulation, Nonlinear optics, Heterodyning, Particle filters

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SPIE Journal Paper | 14 July 2018

Tunable arrayed waveguide grating optical filter based on lithium niobate-on-insulator and electro-optic effect

Wei Ji, Zisu Gong, Rui Yin, Jiangyue Li, Jingyao Li, Lingyu Lv, Qingjie Huang

OE, Vol. 57, Issue 07, 077102, (July 2018) https://doi.org/10.1117/12.10.1117/1.OE.57.7.077102

KEYWORDS: Waveguides, Optical filters, Lithium, Refractive index, Electro optics, Electrodes, Electro optical modeling, Optical networks, Stars, Wavelength tuning

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SPIE Journal Paper | 23 September 2017

Reconfigurable radio-over-fiber system based on optical switch and tunable filter

Xiao Li, Rui Yin, Wei Ji, Kai Sun, Shicheng Zhang

OE, Vol. 56, Issue 09, 096110, (September 2017) https://doi.org/10.1117/12.10.1117/1.OE.56.9.096110

KEYWORDS: Modulation, Tunable filters, Switches, Electronic filtering, Optical switching, Radio over Fiber, Optical filters, Second-harmonic generation, Eye, Switching

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SPIE Journal Paper | 15 May 2015

Efficient phase-switch quadrature phase shift keying modulation scheme in radio over fiber system

Xiao Li, Wei Ji, Zhaoyuan Kang, Xuwei Xue

OE, Vol. 54, Issue 05, 056103, (May 2015) https://doi.org/10.1117/12.10.1117/1.OE.54.5.056103

KEYWORDS: Phase shift keying, Modulation, Complex systems, Radio over Fiber, Receivers, Transmitters, Tolerancing, Dispersion, Hybrid fiber radio, Radio optics

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Proceedings Article | 3 December 2009 Paper

Study on third-order nonlinear optical properties of [(C4H9)4N]Au(dmit)2 using Z-scan technique

Hongliang Yang, Wei Ji, Quan Ren, Xinqiang Wang, Fujun Zhang

Proceedings Volume 7631, 76310V (2009) https://doi.org/10.1117/12.851960

KEYWORDS: Absorption, Refractive index, Nonlinear optics, Transmittance, Picosecond phenomena, Sensors, Crystals, Nonlinear crystals, Statistical analysis, Switching

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Proceedings Article | 19 November 2008 Paper

The home gateway used in FTTH which can implement triple play

Wei Ji, Hongliang Yang, Yang Liu, Yonghui Liu, Wei Cui

Proceedings Volume 7137, 71373R (2008) https://doi.org/10.1117/12.802132

KEYWORDS: Video, Fiber to the x, Internet, Interfaces, Digital signal processing, Network architectures, Wavelength division multiplexing, Modulation, Control systems, Networks

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Proceedings Article | 19 November 2008 Paper

The metropolitan VoD system based on ethernet/SCM PON

Wei Ji, Hongliang Yang, Dejun Feng, Yang Liu, Jande Sun

Proceedings Volume 7137, 71373O (2008) https://doi.org/10.1117/12.802131

KEYWORDS: Wavelength division multiplexing, Video, Passive optical networks, Fiber to the x, Numerical analysis, Multiplexing, Network architectures, Televisions, Quadrature amplitude modulation, Modulation

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Proceedings Article | 18 November 2008 Paper

Preparation and transmission loss of the nano-crystal and polymer composite Bi4Ti3O12/PEK-c films

Hongliang Yang, Wei Ji, Quan Ren, Fujun Zhang, Xinqiang Wang, Guanghui Zhang

Proceedings Volume 7135, 713513 (2008) https://doi.org/10.1117/12.802846

KEYWORDS: Composites, Thin films, Scattering, Polymer thin films, Polymers, Electro optics, Prisms, Transmission electron microscopy, Waveguides, Photography

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SPIE Journal Paper | 1 February 2008

All-optical packet header and payload separation for optical packet switched networks

Wei Ji, Min Zhang, Peida Ye

OE, Vol. 47, Issue 02, 025001, (February 2008) https://doi.org/10.1117/12.10.1117/1.2841053

KEYWORDS: Optical networks, Phase shifts, Signal attenuation, Numerical simulations, Optical engineering, Modulation, Demultiplexers, Semiconductor optical amplifiers, Picosecond phenomena

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Proceedings Article | 4 October 2006 Paper

All-optical packet header and payload separation based on two TOADs for optical packet switched networks

Wei Ji, Min Zhang, Peida Ye

Proceedings Volume 6351, 63513A (2006) https://doi.org/10.1117/12.685346

KEYWORDS: Switching, Optical networks, Phase shifts, Modulation, Numerical simulations, Signal attenuation, Networks, Chromium, Ultrafast phenomena

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Proceedings Article | 3 October 2006 Paper

The impact of the signal properties on SOA switches based on XPM in optical packet switched networks

Wei Ji, Min Zhang, PeiDa Ye

Proceedings Volume 6353, 635336 (2006) https://doi.org/10.1117/12.685344

KEYWORDS: Switches, Switching, Multiplexers, Optical networks, Demultiplexers, Gaussian pulse, Phase shifts, Information operations, Packet switching, Mach-Zehnder interferometers

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SPIE Journal Paper | 1 June 2006

Novel header extraction for optical packet-switched networks using a modified terahertz optical asymmetric demultiplexer with differential modulation scheme

Wei Ji, Min Zhang, Peida Ye

OE, Vol. 45, Issue 06, 063002, (June 2006) https://doi.org/10.1117/12.10.1117/1.2213959

KEYWORDS: Modulation, Switching, Optical networks, Demultiplexers, Picosecond phenomena, Phase shifts, Optical engineering, Networks, Numerical analysis

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Proceedings Article | 9 December 2005 Paper

Performance analysis of OVPN over OBS/MPLS architecture with different priorities traffic

Wei Ji, Min Zhang, Peida Ye

Proceedings Volume 6021, 60213H (2005) https://doi.org/10.1117/12.632406

KEYWORDS: Switching, Networks, Network architectures, Transmitters, Receivers, Optical networks, Control systems, Performance modeling, Channel projecting optics, Interfaces

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Proceedings Article | 5 December 2005 Paper

All-optical packet header and payload separation for un-slotted optical packet switched networks

Wei Ji, Min Zhang, Peida Ye

Proceedings Volume 6020, 60202R (2005) https://doi.org/10.1117/12.632400

KEYWORDS: Switching, Optical networks, Phase shifts, Signal attenuation, Modulation, Numerical simulations, Chromium, Networks, Laser beam diagnostics

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Proceedings Article | 8 February 2005 Paper

Analysis of optical packet switches with improved performance due to shared buffering and input wavelength-conversion architecture

Wei Ji, Min Zhang, Peida Ye

Proceedings Volume 5626, (2005) https://doi.org/10.1117/12.570555

KEYWORDS: Switches, Channel projecting optics, Wavelength division multiplexing, Performance modeling, Switching, Network architectures, Packet switching, Explosives, Internet, Networks

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Proceedings Article | 31 January 2005 Paper

A novel method of the performance analysis of SOA-assisted nonlinear optical-loop–mirror-based wavelength converter

Wei Ji, Min Zhang, Peida Ye

Proceedings Volume 5624, (2005) https://doi.org/10.1117/12.570560

KEYWORDS: Signal attenuation, Refractive index, Semiconductor optical amplifiers, Modulation, Mirrors, Picosecond phenomena, Distortion, Phase shifts, Optical fibers

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Showing 5 of 18 publications

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