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Browsing by Subject "Phase modulation"

Now showing items 1-13 of 13

10 Gbit/s error-free DPSK modulation using a push-pull dual-drive silicon modulator

Aamer, Mariam; Thomson, D. J.; Gutiérrez Campo, Ana María; Brimont, Antoine Christian Jacques; Gardes, F. Y.; Reed, G. T.; Fedeli, J. M.; Håkansson, Ola Andreas; Sanchis Kilders, Pablo (Elsevier, 2013-09-01)

[EN] We experimentally demonstrate a high-speed differential phase shift keying (DPSK) modulation using a silicon push-pull operated dual-drive Mach Zehnder modulator (MZM) based on carrier depletion. 5 Gbit/s and 10 Gbit/s ...
Analytical model and figures of merit for filtered Microwave photonic links

Gasulla Mestre, Ivana; Capmany Francoy, José (Optical Society of America, 2011)

The concept of filtered Microwave Photonic Links is proposed in order to provide the most general and versatile description of complex analog photonic systems. We develop a field propagation model where a global optical ...
Dispersion supported BB84 quantum key distribution using phase modulated light

Mora Almerich, José; Ruiz Alba Gaya, Antonio; Amaya Ocampo, Waldimar Alexander; Capmany Francoy, José (Institute of Electrical and Electronics Engineers (IEEE), 2011-06)

We propose and experimentally demonstrate that, contrary to what was thought up to now, an efficient BB84 operation is feasible using the double phase modulator (PMPM) configuration in frequency-coded quantum key distribution ...
Integrated InP frequency discriminator for Phase-modulated microwave photonic links

Sánchez Fandiño, Javier Antonio; Doménech Gómez, José David; Muñoz Muñoz, Pascual; Capmany Francoy, José (Optical Society of America: Open Access Journals, 2013-02-11)

[EN] We report the design, fabrication and characterization of an integrated frequency discriminator on InP technology for microwave photonic phase modulated links. The optical chip is, to the best of our knowledge, the ...
Integrated Microwave Photonics

Marpaung, David; Roeloffzen, Chris; Heideman, René; Leinse, Arne; Sales Maicas, Salvador; Capmany Francoy, José (Wiley-VCH Verlag, 2013-07)

[EN] Microwave photonics (MWP) is an emerging field in which radio frequency (RF) signals are generated, distributed, processed and analyzed using the strength of photonic techniques. It is a technology that enables various ...
On the Use of a Directly Modulated Laser in a Phase Modulated-Assisted mmW Signal Generation and Transmission Link

Botella-Campos, Marta; Mora Almerich, José; Ortega Tamarit, Beatriz (Institute of Electrical and Electronics Engineers, 2023-12-15)

[EN] We propose and experimentally demonstrate the use of a directly modulated laser (DML) in an optical phase modulated (PM)-assisted millimeter-wave (mmW) signal generation system. A comprehensive analytical model is ...
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 ...
Reconfigurable multiwavelength source based on electrooptic phase modulation of a pulsed laser

Beltrán Ramírez, Marta; Caraquitena Sales, José; Llorente Sáez, Roberto; Martí Sendra, Javier (Institute of Electrical and Electronics Engineers (IEEE), 2011-08-15)

[EN] A reconfigurable multiwavelength source based on time-domain electrooptic phase modulation of a pulsed laser is proposed and experimentally demonstrated. The technique permits great reconfiguration in the spectrum ...
Sensitivity Enhancement for Low-Coherence Interferometry

Benítez-González, Jesús; Mora Almerich, José (Institute of Electrical and Electronics Engineers, 2017)

[EN] In this letter, a sensitivity improvement for systems combining low-coherence interferometry (LCI) and microwave photonics (MWP) is demonstrated. This improvement is due to the introduction of a different modulation ...
Spectral decomposition of single-tone-driven quantum phase modulation

Capmany Francoy, José; Fernandez-Pousa, Carlos R. (IOP Publishing, 2011-02-14)

[EN] Electro-optic phase modulators driven by a single radio-frequency tone ¿ can be described at the quantum level as scattering devices where input single-mode radiation undergoes energy changes in multiples of h¿. In ...
Spectral self-imaging effect by time-domain multilevel phase modulation of a periodic pulse train

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 ...
Terahertz radiation shaping based on optical spectrum modulation in the time domain

Palací López, Jesús; Bockelt, Alexander Stefan; Vidal Rodriguez, Borja (Optical Society of America, 2012)

A terahertz shaping system based on optical fiber components as opposed to traditional free-space solutions is proposed. It is based on the time-domain modulation of the optical source spectrum. Standard singlemode fiber ...
WDM compatible and electrically tunable SPE-OCDMA system based on the temporal self-imaging effect

Tainta, S.; Amaya Ocampo, Waldimar Alexander; Erro, M. J.; Garde, M. J.; Sales Maicas, Salvador; Muriel, M. A. (Optical Society of America, 2011)

[EN] A coding/decoding setup for a spectral phase encoding optical code-division multiple access (SPE-OCDMA) system has been developed. The proposalis basedon the temporal self-imaging effect and the use of aneasily tunable ...