Study of millimeter wave phase shift in 40 GHz hybrid mode locked lasers [PDF]
, 2009 An investigation into using hybrid mode-locked lasers to implement millimeter wave phase shift is presented. The phase shift is measured directly using a vector network analyzer enabling straightforward characterization of such systems.
Cryan, MJ, Khawaja, BAM
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5G-Compatible IF-Over-Fiber Transmission Using a Low-Cost SFP-Class Transceiver
IEEE Access, 2022 With the rise of 5G and beyond, the ever-increasing data-rates demanded by mobile access are severely challenging the capacity of optical fronthaul networks.
Marco A. Fernandes +4 more
doaj +1 more source
Overcoming laser diode nonlinearity issues in multi-channel radio-over-fiber systems [PDF]
, 2004 The authors demonstrate how external light injection into a directly modulated laser diode may be used to enhance the performance of a multi-channel radio-over-fiber system operating at a frequency of 6 GHz.
A. Kaszubowska +17 more
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Characterization of wavelength interleaving in radio-over-fiber systems employing WDM/SCM [PDF]
, 2006 A radio-over-fiber (RoF) distribution system incorporating both sub-carrier multiplexing and wavelength division multiplexing (WDM) technologies is presented. This signal is directly modulated onto three high-speed lasers.
A. Kaszubowska +10 more
core +1 more source
Power limits with adjustable 10G receiver parameters for A-RoF transmission
Elektronika ir Elektrotechnika, 2023 Current paper characterizes the performance of the three-radio-frequency-channels, orthogonal-frequency-division-multiplexed (OFDM) radio-over-fiber (RoF) transmission system in terms of error-vector-magnitude and received optical signal power for a ...
Inna Kurbatska +5 more
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Advanced radio over fiber network technologies
Optics Express, 2013 The evolution of wireless communication networks supporting emerging broadband services and applications offers new opportunities for realizing integrated optical and wireless network infrastructures. We report on some of our recent activities investigating advanced technologies for next generation converged optical wireless networks.
Dalma, Novak, Rod, Waterhouse
openaire +2 more sources
Tunable microwave signal generator with an optically-injected 1310nm QD-DFB laser [PDF]
, 2013 Tunable microwave signal generation with frequencies ranging from below 1 GHz to values over 40 GHz is demonstrated experimentally with a 1310nm Quantum Dot (QD) Distributed-Feedback (DFB) laser. Microwave signal generation is achieved using the period 1
Antonio Hurtado +25 more
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Photonic Systems and Devices for Linear Cell Radar
Applied Sciences, 2019 This paper reviews linear cell radar systems, which are radar systems consisting of many antenna units connected by radio-over-fiber to monitor linear-shaped areas. A linear cell system using a millimeter-wave band can provide high-resolution imaging for
Tetsuya Kawanishi +4 more
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Remote downconversion with wavelength reuse for the radio/fiber uplink connection [PDF]
, 2006 The authors present a novel technology for uplink transmission in radio-over-fiber distribution systems. The technique employs remote downconversion of the uplink data to intermediate frequency (IF) in the base station (BS).
Barry, Liam P. +2 more
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Transport Schemes for Fiber-Wireless Technology: Transmission Performance and Energy Efficiency
Photonics, 2014 Fiber-wireless technology has been actively researched as a potential candidate for next generation broadband wireless signal distribution. Despite the popularity, this hybrid scheme has many technical challenges that impede the uptake and commercial ...
Christina Lim +2 more
doaj +1 more source