Martin, Eamonn P.; Shao, Tong; Vujicic, Vidak; Anandarajah, Prince M.; Browning, Colm; Llorente, Roberto; Barry, Liam P.(Institute of Electrical and Electronics Engineers (IEEE), 2015-04-15)
[EN] A 25-Gb/s OFDM 60-GHz radio over fiber (RoF) transmission system employing a gain switched DFB laser for millimeter-wave generation is demonstrated. Transmission performance below the 7% FEC limit is achieved over 50 ...
Shao, Tong; Beltrán, Marta; Zhou, Rui; Anandarajah, Prince M.; Llorente, Roberto; Barry, Liam P.(Institute of Electrical and Electronics Engineers (IEEE), 2014-10-15)
A radio over fiber (RoF) transmission system based
on a gain-switched laser as an optical comb source is proposed
and demonstrated. 12.5 Gb/s 16 quadrature amplitude modulation
(16 QAM) signal generation and transmission ...
Llorente, Roberto; Morant, Maria; Amiot, Nicolas; Uguen, Bernard(Institute of Electrical and Electronics Engineers (IEEE), 2011-06-06)
[EN] A novel photonic analog-to-digital converter (ADC) architecture tailored for the localization of transmitters employing ultra-wide band (UWB) radio technology is proposed and experimentally demonstrated in this paper. ...
[EN] In this paper the on-the-field performance of a WDM-PON optical access providing quintuple-play services using orthogonal frequency division multiplexing (OFDM) modulation is evaluated in a real fiber-to-the-home ...
Alves, Tiago; Morant, Maria; Cartaxo, Adolfo; Llorente, Roberto(Institute of Electrical and Electronics Engineers (IEEE), 2011-06)
[EN] The performance of orthogonal frequency division multiplexing ultra wideband (UWB) radio signals distribution in long-reach passive optical networks (LR-PONs) using conventional chirp-less Mach Zehnder (MZ) and ...
[EN] The performance of radio-over-fiber optical transmission employing vertical-cavity surface-emitting lasers (VCSELs), and further wireless transmission, of the two major ultra-wideband (UWB) implementations is reported ...
Morant, Maria; González-Guerrero, Luis; Renaud, Cyril C.; Llorente, Roberto(Institute of Electrical and Electronics Engineers, 2021-12-15)
[EN] This paper proposes and demonstrates a photonic THz generation technique based on an optical frequency comb and multicore fiber (MCF) transmission, with the advantage of remote generation with great reconfigurability ...
Caraquitena Sales, José; Beltrán, Marta; Llorente, Roberto; Martí Sendra, Javier; Muriel, Miguel A.(Optical Society of America, 2011)
[EN] We propose and analyze a novel (to our knowledge) approach to implement the spectral self-imaging effect of optical frequency combs. The technique is based on time-domain multilevel phase-only modulation of a periodic ...