Results 21 to 30 of about 10,845 (304)
Nanophotonics, 2023 All-optical wavelength conversion based on four-wave mixing attracts intense interest in many areas, especially in optical fiber communications, due to the advantages of femtosecond response, modulation-format transparency, and high flexibility in ...
Zhao Ping +4 more
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Lambertian source modelling of free space optical ground-to-train communications [PDF]
, 2012 There is a increasing demand for high speed data services while travelling on trains and other means of public transportation. Hence, an alternative technology to radio frequency (RF) communications called free space optics (FSO) could be used to provide
Ghassemlooy, Zabih +9 more
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IEEE Photonics Journal, 2019 Modulation format identification (MFI) is necessary for future elastic optical networks. We propose an MFI scheme based on the amplitude deviation analysis of the received optical communication signal.
Zhao Zhao +3 more
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Beam-steering metasurfaces assisted coherent optical wireless multichannel communication system
Nanophotonics, 2023 The metasurface based beam-steering devices with the advantages of large steering angles, arbitrary channels and ultra-compactness have played an important role for data allocation and exchange in the optical wireless communication.
Tao Jin +13 more
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Review on vortex beams with low spatial coherence
Advances in Physics: X, 2019 Vortex beams with helical phase, carrying phase singularity and orbital angular momentum, have attract great attention in the past decades due to their wide applications in optical communications, optical manipulation, super-resolution imaging and so on.
Xianlong Liu, Jun Zeng, Yangjian Cai
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Machine Learning for Self-Coherent Detection Short-Reach Optical Communications
Photonics, 2023 Driven by emerging technologies such as the Internet of Things, 4K/8K video applications, virtual reality, and the metaverse, global internet protocol traffic has experienced an explosive growth in recent years.
Qi Wu +14 more
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FPGA-Based Rate-Compatible LDPC Codes for the Next Generation of Optical Transmission Systems
IEEE Photonics Journal, 2016 In this paper, we propose a rate-compatible forward error-correcting (FEC) scheme based on low-density-parity check (LDPC) codes together with its software reconfigurable unified field-programmable gate array (FPGA) architecture.
Ding Zou, Ivan B. Djordjevic
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Light Localization and Principal Mode Propagation in Optical Fibers
Frontiers in Physics, 2021 The capacity of optical fiber communications has grown exponentially since its implementation decades ago. Optical fiber amplifiers, wavelength division multiplexing, and coherent communications have all enabled discontinuous growth.
Daniel A. Nolan, Dan T. Nguyen
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Enforcing Energy Balance in Coherently Superimposed Optical Vortices
IEEE Photonics Journal, 2018 The generation of optical beams with multiple, mutually coherent orbital-angular-momentum (OAM) modes using phase gratings is analyzed from the perspective of energy distribution and radial mode composition.
Jaime Cisternas +2 more
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Twisted Spatiotemporal Optical Vortex Random Fields
IEEE Photonics Journal, 2021 We present twisted spatiotemporal optical vortex (STOV) beams, which are partially coherent light sources that possess a coherent optical vortex and a random twist coupling their space and time dimensions.
Milo Hyde
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