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Browsing by Subject "Optical signal processing"

Now showing items 1-8 of 8

Colloidal Quantum Dots-PMMA Waveguides as Integrable Microwave Photonic Phase Shifters

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 ...
Continuous Broadband MWP True-Time Delay with PbS-PMMA and -SU8 waveguides

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 ...
Performance Comparison of OFDM-UWB Radio Signals Distribution in Long-Reach PONs Using Mach-Zehnder and Linearized Modulators

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 ...
Periodic time-domain modulation for the electrically tunable control of optical pulse train envelope and repetition rate multiplication

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 ...
Single bandpass photonic microwave filter based on a notch ring resonator

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 ...
Terahertz Radiation Shaping Based on Third-Order Dispersion and Self-Phase Modulation in Standard Single-Mode Optical Fiber

Palací López, Jesús; Vidal Rodriguez, Borja (Springer Verlag (Germany), 2012-06)

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 ...
Tunable Optical Delay Line based on Single-Sideband Suppressed-Carrier Modulation

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 ...
Tunable photonic microwave filter with single bandpass based on a phase-shifted Fiber Bragg Grating

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 ...

Now showing items 1-8 of 8

Browsing by Subject "Optical signal processing"

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Browsing by Subject "Optical signal processing"