Výsledky vyhledávání - "Maurice O'Sullivan"

Akademický článek

Hybrid OFDM-Digital Filter Multiple Access PONs Utilizing Spectrally Overlapped Digital Orthogonal Filtering

Autor: Abdulai Sankoh, Wei Jin, Zhuqiang Zhong, Jiaxiang He, Yanhua Hong, Roger Philip Giddings, Iestyn Pierce, Maurice O'Sullivan, Jeffrey Lee, Tim Durrant, Jianming Tang

Publikováno v: IEEE Photonics Journal, Vol 12, Iss 5, Pp 1-11 (2020)

Known hybrid orthogonal frequency division multiplexing-digital filter multiple access (OFDM-DFMA) PONs show promise of seamless and cost-effective convergence of optical and mobile networks for 5G and beyond. This paper reports, for the first time,

Externí odkaz: https://doaj.org/article/cf287187168e40378f08746f1ec6adf7

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Akademický článek

Nonlinear Spectrum Modulation in the Anomalous Dispersion Regime Using Second- and Third-Order Solitons

Autor: Thiago D. S. De Menezes, Chaoran Tu, Valentin Besse, Maurice O’Sullivan, Vladimir S. Grigoryan, Curtis R. Menyuk, Ivan T. Lima Jr.

Publikováno v: Photonics, Vol 9, Iss 10, p 748 (2022)

We study the robustness of a nonlinear frequency-division multiplexing (NFDM) system, based on the Zakharov-Shabat spectral problem (ZSSP), that is comprised of two independent quadrature phase-shift keyed (QPSK) channels modulated in the discrete sp

Externí odkaz: https://doaj.org/article/7fd7f8b8ac0c4d009d8704b958d4341b

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Akademický článek

QD-MLL-Based Single-Sideband Superchannel Generation Scheme With Kramers–Kronig Direct Detection Receivers

Autor: Mustafa Al-Qadi, Govind Vedala, Maurice O'Sullivan, Chongjin Xie, Rongqing Hui

Publikováno v: IEEE Photonics Journal, Vol 11, Iss 4, Pp 1-13 (2019)

For their capability of electronic dispersion compensation, transmission systems based on direct detection of single-sideband (SSB) signals are attractive candidates as energy-efficient and cost-effective alternative solutions to intradyne digital co

Externí odkaz: https://doaj.org/article/efa176d933c647e88cadc1fdcb239f2a

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Akademický článek

Digital Phase Noise Compensation for DSCM-Based Superchannel Transmission System With Quantum Dot Passive Mode-Locked Laser

Autor: Govind Vedala, Maurice O'Sullivan, Rongqing Hui

Publikováno v: IEEE Photonics Journal, Vol 10, Iss 4, Pp 1-11 (2018)

We propose a simplified digital phase noise compensation technique for a Nyquist pulse-shaped digital subcarrier multiplexed (DSCM) coherent optical transmission system, employing an optical frequency comb based on Quantum dot passive mode-locked las

Externí odkaz: https://doaj.org/article/2f80f70f83b04bd79b84661650750b5f

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Akademický článek

Evaluation of the Potential of Lactobacillus paracasei Adjuncts for Flavor Compounds Development and Diversification in Short-Aged Cheddar Cheese

Autor: Ewelina Stefanovic, Kieran N. Kilcawley, Clara Roces, Mary C. Rea, Maurice O'Sullivan, Jeremiah J. Sheehan, Olivia McAuliffe

Publikováno v: Frontiers in Microbiology, Vol 9 (2018)

The non-starter microbiota of Cheddar cheese mostly comprises mesophilic lactobacilli, such as Lactobacillus casei, Lactobacillus paracasei, Lactobacillus rhamnosus, and Lactobacillus plantarum. These bacteria are recognized for their potential to im

Externí odkaz: https://doaj.org/article/f0060678d4b446ebbbbd30def97933f8

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