[EN] An optical true time delay line (OTTDL) is a basic photonic building block that enables many microwave photonic and optical processing operations. The conventional design for an integrated OTTDL that is based on spatial ...
Lloret Soler, Juan Antonio; Ramos Pascual, Francisco; Xue, Weiqi; Sancho Durá, Juan; Gasulla Mestre, Ivana; Sales Maicas, Salvador; Mork, Jesper; Capmany Francoy, José(Institute of Electrical and Electronics Engineers (IEEE), 2011)
[EN] Different optical filtering scenarios involving microwave photonic phase shifters based on semiconductor optical amplifiers are investigated numerically as well as experimentally with respect to noise performance. ...
[EN] Reconfigurable optical chips made from 2D meshes of connected waveguides could pave the way for programmable, general purpose microwave photonics processors.
Pérez-López, Daniel; Gasulla Mestre, Ivana; Capmany Francoy, José; Sánchez Fandiño, Javier Antonio; Muñoz Muñoz, Pascual; Alavi, Hossein(Optical Society of America, 2016-09-05)
We develop, analyze and apply a linearization technique based on dual parallel Mach-Zehnder modulator to self-beating microwave photonics systems. The approach enables broadband low-distortion transmission and reception ...
Pérez-López, Daniel; Gasulla Mestre, Ivana; Capmany Francoy, José(Institute of Electrical and Electronics Engineers, 2018)
[EN] We describe the advances that we, and others, have reported during the last years in the area of programmable microwave photonic processors. Following a brief historical sketch, we provide a detailed account of the ...
Lloret Soler, Juan Antonio; Sancho Durá, Juan; Pu, M.; Gasulla Mestre, Ivana; Yvind, K.; Sales Maicas, Salvador; Capmany Francoy, José(Optical Society of America, 2011)
A complex-valued multi-tap tunable microwave photonic filter based on single silicon-on-insulator microring resonator is presented. The degree of tunability of the approach involving two, three and four taps is theoretical ...
[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 ...
García-Cortijo, Sergi; Gasulla Mestre, Ivana(Institute of Electrical and Electronics Engineers, 2020-08)
[EN] Optical fibers featuring multi-layer refractive index profiles have been widely investigated and developed in a variety of scenarios, including space-division multiplexing transmission, fiber sensing, loss and dispersion ...