Min, Rui; Ortega Tamarit, Beatriz; Hu, Xuehao; Broadway, Christian; Caucheteur, Christophe; Pun, Chi-Fung Jeff; Tam, Hwa-Yaw; Antunes, Paulo; Marques, Carlos(Institute of Electrical and Electronics Engineers, 2018-09-15)
[EN] We demonstrate the Bragg gratings inscription in the 850-nm spectral region by using trans-4-stilbenemethanol-doped poly methyl methacrylate step-index optical fiber and a 248-nm krypton fluoride (KrF) excimer laser ...
[EN] Selective optical filters with high rejection levels are of fundamental importance for a wide range of advanced photonic circuits. However, the implementation of high-rejection on-chip optical filters is seriously ...
Min, Rui; Marques, Carlos; Nielsen, K.; Bang, Ole; Ortega Tamarit, Beatriz(Institute of Electrical and Electronics Engineers, 2018-03-01)
[EN] We demonstrate 20 dB long period grating (LPG) fast inscription in microstructured polymer optical fibers (mPOFs) using a point-by-point technique obtaining an LPG total length of 25 mm. Two 248 nm UV laser pulses of ...
Doménech Navarro, Javier(Universitat Politècnica de València, 2013-06-19)
[ES] Este trabajo demuestra el empleo de redes de difracción de Bragg superestructuradas (SSFBG) como codificadores/decodificadores con respuesta espectral rectangular en sistemas coherentes de secuencia directa OCDMA sobre ...
Martínez-Carrasco Romero, Pablo; Rausell-Campo, Jose Roberto; Pérez-Galacho, Diego; Li, Xu; Qing, Ting; Pérez-López, Daniel; Wang, Tiangxiang(Institute of Electrical and Electronics Engineers, 2023-11)
[EN] Massive-MIMO systems can achieve high capacities
and data rates by increasing the number of operational antennas
in the base station. As more antenna elements are introduced, the
complexity of the signal processing ...
[EN] We demonstrate a chirped microstructured polymer fiber Bragg grating based on taper technology for strain sensing application. The effective bandwidth of the grating is dependent on strain and remains practically ...
[EN] We demonstrate a simple way to fabricate phase-shifted fiber Bragg grating in polymer optical fibers as a narrowband transmission filter for a variety of applications at telecom wavelengths. The filters have been ...
Catalá-Lahoz, Cristina; Pérez-López, Daniel; Huy-Ho, T.; Capmany Francoy, José(American Institute of Physics, 2023-11-01)
[EN] Reconfigurable photonic filters show great promise as a potential solution to meet the evolving needs of future microwave communication
systems. By integrating high-performance filters into programmable microwave ...