López Hernández, Aitor(Universitat Politècnica de València, 2023-09-06)
[ES] En los últimos años, la fotónica integrada programable ha evolucionado desde considerarse un paradigma nuevo y prometedor para implementar la fotónica a una escala más amplia hacia convertirse una realidad sólida y ...
[EN] Programmable integrated photonic circuits have been called upon to lead a new revolution in information systems by teaming up with high speed digital electronics and in this way, adding unique complementary features ...
[EN] Integrated photonics changes the scaling laws of information and communication systems
offering architectural choices that combine photonics with electronics to optimize
performance, power, footprint, and cost. ...
Hervás Peralta, Javier; Suárez Álvarez, Isaac; Perez, Joaquin; Rodríguez Cantó, Pedro Javier; Abargues, Rafael; Martinez-Pastor, J.P.; Sales Maicas, Salvador; Capmany Francoy, José(Optical Society of America, 2015-06-01)
[EN] We present new kind of microwave phase shifters (MPS) based on dispersion of PbS colloidal quantum dots (QDs) in commercially available photoresist SU8 after a ligand exchange process. Ridge PbS-SU8 waveguides are ...
Bolea Boluda, Mario; Mora Almerich, José; Ortega Tamarit, Beatriz; Capmany Francoy, José(Optical Society of America, 2012)
A novel all-optical technique based on the incoherent processing
of optical signals using high-order dispersive elements is analyzed for
microwave arbitrary pulse generation. We show an approach which allows a
full ...
Sánchez Costa, Christian; Ortega Tamarit, Beatriz; Capmany Francoy, José(Institute of Electrical and Electronics Engineers (IEEE): OAJ, 2012-02)
In this paper, we propose the orthogonal frequency-division multiplexing-interleaved division multiplexing access (OFDM-IDMA) technique for passive optical networks (PONs). We evaluate the performance of such systems and ...
[EN] An optical true time delay line (OTTDL) is a fundamental building block for signal processing applications in microwave photonics and optical communications. Here, we experimentally demonstrate an index-variable OTTDL ...
Bolea Boluda, Mario; Mora Almerich, José; Ortega Tamarit, Beatriz; Capmany Francoy, José(Institute of Electrical and Electronics Engineers (IEEE), 2011-05-15)
[EN] We propose a novel optical arbitrary waveform generator which allows us to control the generated waveform both in terms of the signal shape and the frequency tuning. The system is based on the amplitude modulation of ...
Sánchez Costa, Christian; Ortega Tamarit, Beatriz; Wei, J.L.; Capmany Francoy, José(Optical Society of America: Open Access Journals, 2013-12-16)
This work presents a theoretical investigation on the per-
formance of directly modulated/detected (DM/DD) optical orthogonal
frequency division multiplexed (OOFDM) systems subject to optical filter-
ing. The impact of ...
[EN] Unitary operations are a specific class of linear transformations that have become an essential ingredient for the realization of classical and quantum information processing. The ability of implementing any n-dimensional ...
Sánchez Costa, Christian(Universitat Politècnica de València, 2014-09-03)
En este trabajo se realiza una intensiva labor teórica de descripción de sistemas de comunicaciones ópticas que utilizan la técnica de multiplexación por división de frecuencias ortogonales (OFDM en inglés), más concretamente ...
Gasulla Mestre, Ivana; Capmany Francoy, José(Optical Society of America, 2012)
We present the first experimental demonstration of a phase-modulated MMF link implementing high-frequency digital transmission in a cost-effective solution based on direct detection. Successful subcarrier transmission of ...
Xie, Zhenyun(Universitat Politècnica de València, 2022-10-04)
[ES] Estudio de las técnicas de multiplicación de matrices fotónicas, el rendimiento y las arquitecturas y realización para un caso de aplicación real de una red neuronal fotónica. En este TFM, se estudian las arquitecturas ...
Ruiz Alba Gaya, Antonio; Calvo Díaz-Aldagalán, David; García Muñoz, Víctor; Martínez García, Alfonso; Amaya Ocampo, Waldimar Alexander; ROZO CHICUE, JUAN GUILLERMO; Mora Almerich, José; Capmany Francoy, José(Instituto de Telecomunicaciones y Aplicaciones Multimedia (iTEAM), 2011)
[EN] This paper provides a review of the most important and widely used Quantum Key Distribution systems and then describes our recently proposed scheme based on Subcarrier Multiplexing that opens the possibility of parallel ...
Pérez-López, Daniel; Gasulla Mestre, Ivana; Dasmahapatra, Prometheus; Capmany Francoy, José(Optical Society of America, 2020-09)
[EN] Programmable integrated photonics is an emerging new paradigm that aims at designing common integrated optical hardware resource configurations, capable of implementing an unconstrained variety of functionalities by ...
Pérez López, Daniel(Universitat Politècnica de València, 2016-04-21)
[EN] We propose, for the first time to our knowledge, a software-defined reconfigurable MWP signal processor architecture that can be integrated on a chip and is capable of performing all the main functionalities by suitable ...
[EN] Programmable multifunctional integrated nanophotonics (PMIN) is a new paradigm that aims at designing common integrated optical hardware configurations, which by suitable programming can implement a variety of ...
[EN] The growing maturity of integrated photonic technology makes it possible to build increasingly large and complex photonic circuits on the surface of a chip. Today, most of these circuits are designed for a specific ...
Pérez-López, Daniel; Sánchez-Gomáriz, Erica; Capmany Francoy, José(Institute of Electrical and Electronics Engineers, 2018)
[EN] We analyze and explore the potential that waveguide-mesh-based architectures used in programmable photonic integrated circuits can be configured to enable true time optical delay lines, which can find applications in ...
Abellan, Carlos; Amaya Ocampo, Waldimar Alexander; Doménech Gómez, José David; Muñoz Muñoz, Pascual; Capmany Francoy, José; Longhi, Stefano; Mitchell, Morgan W.; Pruneri, Valerio(Optical Society of America, 2016-09-20)
[EN] Random number generators are essential to ensuring performance in information technologies, including cryptography, stochastic simulations, and massive data processing. The quality of random numbers ultimately determines ...