Results 11 to 20 of about 28,354 (309)
Phase-coherent lightwave communications with frequency combs [PDF]
Nature Communications, 2020 Frequency combs have the potential to be used as multi-wavelength sources in future optical communications through fiber. Here the authors demonstrate joint phase processing of multi-wavelength comb transmission, and show two schemes to improve ...
Lars Lundberg +7 more
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Influence of Atmospheric Turbulence on Coherent Free-Space Optical Communications
, 2023 The development of coherent free-space optical communications systems could provide an opportunity for significantly increased data rates compared to the traditional intensity-modulation-based communications.
Gladysz, Szymon +2 more
core +1 more source
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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Polar-Coded Non-Coherent Communication [PDF]
IEEE Communications Letters, 2021 A polar-coded transmission (PCT) scheme with joint channel estimation and decoding is proposed for channels with unknown channel state information (CSI). The CSI is estimated via successive cancellation (SC) decoding and the constraints imposed by the frozen bits.
Peihong Yuan +2 more
openaire +2 more sources
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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Effective Linewidth of Semiconductor Lasers for Coherent Optical Data Links
Photonics, 2016 We discuss the implications of using monolithically integrated semiconductor lasers in high capacity optical coherent links suitable for metro applications, where the integration capabilities of semiconductor lasers make them an attractive candidate to ...
Miguel Iglesias Olmedo +8 more
doaj +1 more source
Photonics, 2017 The transmission impairments of a Raman amplified link using dual-polarization 16-quadrature amplitude modulation (DP-16QAM) are experimentally characterized.
Xiaodan Pang +6 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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10-Gb/s Long-Reach PON System With Low-Complexity Dispersion-Managed Coherent Receiver
IEEE Photonics Journal, 2015 We demonstrate 10-Gb/s transmission over more than 130 km of G.652 fiber using a simple directly modulated distributed feedback (DFB) laser and a new “chirp-managed” approach based on a low-complexity coherent receiver.
R. Corsini +3 more
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DSP-Based Physical Layer Security for Coherent Optical Communication Systems
IEEE Photonics Journal, 2022 A novel digital signal processing (DSP)-based scheme for physical layer security in coherent optical communication systems is proposed and numerically investigated.
Jiaxiang He +3 more
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