Results 21 to 30 of about 52,785 (290)
Mehran University Research Journal of Engineering and Technology, 2023 Fiber optic communications are inevitable to achieve higher data rates of modern telecom networks. After utilization of Wavelength division multiplexing, higher order modulations and polarization multiplexing, mode division multiplexing is a new ...
Abid Munir, Amjad Ali, Abdul Latif
doaj +1 more source
IEEE Photonics Journal, 2015 We propose cascaded mode-division-multiplexing and time-division-multiplexing passive optical network (MDM-TDM-PON) based on low mode-crosstalk few-mode fiber (FMF) and all-fiber mode multiplexer/demultiplexer (MUX/DEMUX), in which optical network units ...
Fang Ren +8 more
doaj +1 more source
Silicon Add-Drop Filter Based on Multimode Grating Assisted Couplers
IEEE Photonics Journal, 2016 We demonstrate the design, fabrication, and characterization of a two-mode silicon add-drop filter, which is based on multimode grating-assisted contra-directional couplers.
Huiye Qiu +7 more
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Clock Recovery Challenges in DSP-Based Coherent Single-Mode and Multi-Mode Optical Systems
Future Internet, 2018 We present an analysis of clock recovery algorithms in both polarization division multiplexing systems and mode division multiplexing systems. The impact of inter-polarization time skew and polarization mode dispersion in single-mode fibers, as well as ...
Júlio César Medeiros Diniz +2 more
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Gain Characteristics of Few-Mode EDFA With Different Pump
IEEE Photonics Journal, 2022 Few-mode erbium-doped fiber amplifier (FM-EDFA) is a key device to achieve power compensation in long-haul mode division multiplexing (MDM) optical system.
Wenxuan Xu +7 more
doaj +1 more source
Multidiameter optical ring and Hermite–Gaussian vortices for wavelength division multiplexing–mode division multiplexing [PDF]
, 2016 Optical vortices are high-capacity data carriers for mode division multiplexing (MDM) in multimode fiber (MMF). This paper reports on the MDM of a combination of helical-phased optical vortices comprising donut modes and Hermite–Gaussian (HG) modes for ...
Amphawan, Angela, Fazea, Yousef
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Frequency-Domain Detection for Frequency-Division Multiplexing QEPAS
Sensors, 2022 To achieve multi-gas measurements of quartz-enhanced photoacoustic spectroscopy (QEPAS) sensors under a frequency-division multiplexing mode with a narrow modulation frequency interval, we report a frequency-domain detection method. A CH4 absorption line
Xiang Chen +6 more
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Coupled-mode analysis of fiber-optic add drop filters for dense wavelength-division multiplexing [PDF]
, 1997 We present a coupled-mode theory of fiber-optic add drop filters, which involve directional coupling between two fibers combined with fiber Bragg gratings defined inside the coupling region.
Orlov, Sergei S. +2 more
core +1 more source
Fast synchronization 3R burst-mode receivers for passive optical networks [PDF]
, 2014 This paper gives a tutorial overview on high speed burst-mode receiver (BM-RX) requirements, specific for time division multiplexing passive optical networks, and design issues of such BM-RXs as well as their advanced design techniques. It focuses on how
Bauwelinck, Johan +8 more
core +2 more sources
2x2 MIMO-OFDM Gigabit fiber-wireless access system based on polarization division multiplexed WDM-PON [PDF]
, 2012 We propose a spectral efficient radio over wavelength division multiplexed passive optical network (WDM-PON) system by combining optical polarization division multiplexing (PDM) and wireless multiple input multiple output (MIMO) spatial multiplexing ...
Agmon +18 more
core +2 more sources