Search Results - "Liam, Barry"
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1
Blind Nonlinearity Equalization by Machine-Learning-Based Clustering for Single- and Multichannel Coherent Optical OFDM
Published in Journal of lightwave technology (01-02-2018)“…Fiber-induced intra- and interchannel nonlinearities are experimentally tackled using blind nonlinear equalization (NLE) by unsupervised machine-learning-based…”
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2
Optical Heterodyne Analog Radio-Over-Fiber Link for Millimeter-Wave Wireless Systems
Published in Journal of lightwave technology (15-01-2021)“…Optical heterodyne analog radio-over-fiber (A-RoF) links provide an efficient solution for future millimeter wave (mm-wave) wireless systems. The phase noise…”
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3
Experimental Demonstration of a WDM-RoF Based Mobile Fronthaul With f-OFDM Signals by Using Directly Modulated 3s-DBR Laser
Published in Journal of lightwave technology (15-08-2019)“…Future 5G mobile fronthaul (MFH) network will require high bandwidth and ultralow latency data transmission. Radio-over-fiber (RoF) technology is an efficient…”
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4
Demonstration of High Capacity Bidirectional A-RoF System Using Wavelength Reuse and Frequency Multiplexing
Published in Journal of lightwave technology (15-04-2023)“…We demonstrate a practical wavelength reuse bidirectional analog radio-over-fiber (A-RoF) system served by a single distributed feedback (DFB) laser. Frequency…”
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5
A Silicon Photonic Switching Platform for Flexible Converged Centralized-Radio Access Networking
Published in Journal of lightwave technology (01-10-2020)“…Unprecedented levels of device connectivity and the emergence of futuristic digital services are driving fundamental changes to underlying fixed and wireless…”
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6
Gain-Switched Optical Frequency Combs for Future Mobile Radio-Over-Fiber Millimeter-Wave Systems
Published in Journal of lightwave technology (01-10-2018)“…The millimeter-wave (mm-wave) frequency band has emerged as a means to overcome current radio frequency spectral limitations and represents an interesting…”
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7
Fabry-Pérot optical frequency comb based mm-wave RoF system using pilot-assisted equalizer
Published in Optics express (11-09-2023)“…The emergence of the millimeter wave (mm-Wave; 30 GHz to 300 GHz) frequency band holds a lot of promise for addressing the congestion at low frequency in…”
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8
Mitigation of SOA-Induced Nonlinearities With Recurrent Neural Networks in 75 Gbit/s/λ PAM-4 IM/DD WDM-PON Transmission Systems
Published in Journal of lightwave technology (15-06-2023)“…We experimentally demonstrate 4 × 75 Gbit/s optically amplified 4-level pulse amplitude modulation (PAM-4) transmission based on an external Mach-Zehnder…”
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9
Compensation of fiber dispersion induced-power fading in reconfigurable millimeter-wave optical networks
Published in Optics communications (01-12-2020)“…Radio-over-fiber (RoF) systems can be incorporated into a wavelength division multiplexing (WDM) and distributed antenna system (DAS) to vastly increase the…”
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10
DBSCAN-Based Clustering for Nonlinearity Induced Penalty Reduction in Wavelength Conversion Systems
Published in IEEE photonics technology letters (01-11-2019)“…We experimentally demonstrate, for the first time, the Density-Based Spatial Clustering of Applications with Noise (DBSCAN) algorithm to improve the receiver…”
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11
Harnessing machine learning for fiber-induced nonlinearity mitigation in long-haul coherent optical OFDM
Published in Future internet (01-01-2019)“…Coherent optical orthogonal frequency division multiplexing (CO-OFDM) has attracted a lot of interest in optical fiber communications due to its simplified…”
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12
Coupled Transceiver-Fiber Nonlinearity Compensation Based on Machine Learning for Probabilistic Shaping System
Published in Journal of lightwave technology (15-01-2021)“…In this article, we experimentally demonstrate the combined benefit of artificial neural network-based nonlinearity compensation and probabilistic shaping for…”
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13
Flexible terabit/s Nyquist-WDM super-channels using a gain-switched comb source
Published in Optics express (26-01-2015)“…Terabit/s super-channels are likely to become the standard for next-generation optical networks and optical interconnects. A particularly promising approach…”
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14
Power optimization for phase quantization with SOAs using the gain extinction ratio
Published in Optics express (18-01-2021)“…Phase-sensitive amplifiers (PSAs) can work as M - level phase quantizers when waves generated with specific phase values are allowed to mix coherently in a…”
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15
Phase Noise Characterization of SGDBR Lasers Using Phase Modulation Detection Method With Delayed Self-Heterodyne Measurements
Published in Journal of lightwave technology (15-04-2013)“…This study employed the coherent phase modulation (PM) detection method to characterize the phase noise of a Sampled-Grating Distributed Bragg Reflector…”
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16
AgileDCN: An Agile Reconfigurable Optical Data Center Network Architecture
Published in Journal of lightwave technology (15-09-2020)“…This paper presents a detailed examination of a novel data center network (DCN) that can satisfy the high capacity and low latency requirements of modern cloud…”
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17
28 GBd PAM-8 transmission over a 100 nm range using an InP-Si3N4 based integrated dual tunable laser module
Published in Optics express (24-05-2021)Get full text
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18
High Precision Estimation of Laser FM-Noise Using RF Quadrature Demodulation Techniques
Published in IEEE access (2022)“…We report on a technique that uses RF quadrature demodulation to measure laser FM-noise based on a delayed self-heterodyne setup. The measurement is…”
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19
Alternative splicing of interleukin-33 and type 2 inflammation in asthma
Published in Proceedings of the National Academy of Sciences - PNAS (02-08-2016)“…Type 2 inflammation occurs in a large subgroup of asthmatics, and novel cytokine-directed therapies are being developed to treat this population. In mouse…”
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20
Mode Locked Laser Phase Noise Reduction Under Optical Feedback for Coherent DWDM Communication
Published in Journal of lightwave technology (15-10-2020)“…Single section quantum dash (QDash) mode locked lasers (MLL) can provide a flat and broadband optical frequency comb with low energy consumption, operational…”
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