Ricchiuti, Amelia L.; Suárez Álvarez, Isaac; Barrera Vilar, David; Rodríguez Cantó, Pedro Javier; Fernandez-Pousa, Carlos R.; Abargues, Rafael; Sales Maicas, Salvador; Martinez-Pastor, Juan; Capmany Francoy, José(Institute of Electrical and Electronics Engineers (IEEE), 2014-02-15)
A novel scheme for the control of microwave signals carried at optical wavelengths by use of PbS colloidal quantum dots embedded in PMMA waveguides is presented. When these structures are pumped at wavelengths where PbS ...
Perez, Joaquin; Suárez Álvarez, Isaac; Hervás-Peralta, Javier; Ricchiuti, Amelia Lavinia; Martinez-Pastor, Juan P.; Sales Maicas, Salvador(Institute of Electrical and Electronics Engineers (IEEE), 2016-08-01)
[EN] A new microwave true-time delay (TTD) photonic unit based on the dispersion of PbS colloidal quantum dots (QDs) in a Polymethyl methacrylate (PMMA) and the SU8 photoresist is presented. With this aim, the PbS-PMMA and ...
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 ...
Tainta, Santiago; Erro Betran, Mª Jose; Amaya Ocampo, Waldimar Alexander; Garde. María José; Sales Maicas, Salvador; Muriel Fernandez, Miguel Angel(Institute of Electrical and Electronics Engineers (IEEE), 2012-01)
An electrically tunable system for the control of optical pulse sequences is proposed and demonstrated. It is based on the use of an electrooptic modulator for periodic phase modulation followed by a dispersive device to ...
Palací López, Jesús; Villanueva Ibáñez, Guillermo Eduardo; Galán Conejos, José Vicente; Martí Sendra, Javier; Vidal Rodriguez, Borja(Institute of Electrical and Electronics Engineers (IEEE), 2010-09-01)
[EN] A novel tunable single bandpass photonic microwave filter is proposed. It is based on optically filtering one of the sidebands of a phase-modulated optical carrier by means of the notch response of a silicon-on-insulator ...
Third-order dispersion and self-phase modulation in standard single-mode fibers are employed in a fiber-based THz time domain spectroscopy system for radiation shaping. Ultra-short optical pulses are converted into trains ...
Palací López, Jesús; Vidal Rodriguez, Borja(Institute of Electrical and Electronics Engineers (IEEE), 2013-01-01)
A technique to electrically control the time shift of ultrashort optical pulses without the generation of replicas is demonstrated on the basis of frequency-to-time conversion and single-sideband suppressed-carrier modulation ...
Palací López, Jesús; Pérez Millán, Pedro; Villanueva Ibáñez, Guillermo Eduardo; Cruz, José L.; Andrés, Miguel V.; Martí Sendra, Javier; Vidal Rodriguez, Borja(Institute of Electrical and Electronics Engineers (IEEE), 2010-10-01)
A novel tunable photonic microwave single bandpass filter based on the optical resonance originated by a local phase shift introduced in the periodic structure of a fiber Bragg grating is proposed. Dynamic control of the ...
[EN] We present a simple few-mode fiber design as a
promising platform to implement tunable sampled true-time
delay lines for radiofrequency signal processing. To the best of
our knowledge, this is the first few-mode fiber ...