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Listar por autor "Amaya Ocampo, Waldimar Alexander"

Mostrando ítems 1-16 de 16

Chromatic dispersion compensation and coherent Direct-Sequence OCDMA operation on a single super structured FBG

Baños López, Rocío; Pastor Abellán, Daniel; Amaya Ocampo, Waldimar Alexander; García Muñoz, Víctor (Optical Society of America, 2012)

We have proposed, fabricated and demonstrated experimentally a set of Coherent Direct Sequence-OCDMA en/decoders based on Super Structured Fiber Bragg Gratings (SSFBGs) which are able to compensate the fiber chromatic ...
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 ...
Dispositivos codificadores / decodificadores multi-banda basados en redes de difracción superestructuradas para aplicaciones WDM-OCDMA

Baños López, Rocío (Universitat Politècnica de València, 2013-03-04)

[ES] En el presente trabajo se propone de forma teórica y se verifica experimentalmente un sistema basado en codificación OCDMA, utilizando multiplexación WDM basado en un único dispositivo. Los dispositivos propuestos ...
Enhancement of the sensitivity of a temperature sensor based on fiber Bragg gratings via weak value amplification

Salazar-Serrano, L.J.; Barrera Vilar, David; Amaya Ocampo, Waldimar Alexander; Sales Maicas, Salvador; Pruneri, V..; Capmany Francoy, José; Torres, J.P. (Optical Society of America, 2015-09-01)

We present a proof-of-concept experiment aimed at increasing the sensitivity of Fiber-Bragg-gratings temperature sensors by making use of a weak-value-amplification scheme. The technique requires only linear optics elements ...
Experimental demonstration of subcarrier multiplexed quantum key distribution system

Mora Almerich, José; Ruiz Alba Gaya, Antonio; Amaya Ocampo, Waldimar Alexander; Martínez García, Alfonso; García Muñoz, Víctor; Calvo Díaz-Aldagalán, David; Capmany Francoy, José (Optical Society of America, 2012)

We provide, to our knowledge, the first experimental demonstration of the feasibility of sending several parallel keys by exploiting the technique of subcarrier multiplexing (SCM) widely employed in microwave photonics. ...
Fast optical source for quantum key distribution based on semiconductor optical amplifiers

Jofre, M.; Gardelein, A.; Anzolin, G.; Amaya Ocampo, Waldimar Alexander; Capmany Francoy, José; Ursin, R.; Peñate, L.; Lopez, D.; San Juan, J. L.; Carrasco, J. A.; Garcia, F.; Torcal-Milla, F. J.; Sanchez-Brea, L. M.; Bernabeu, E.; Perdigues, J. M.; Jennewein, T.; Torres, J. P.; Mitchell, M. W.; Pruneri, V. (Optical Society of America, 2011)

[EN] A novel integrated optical source capable of emitting faint pulses with different polarization states and with different intensity levels at 100 MHz has been developed. The source relies on a single laser diode followed ...
Microwave Photonics Parallel Quantum Key Distribution

Ruiz Alba Gaya, Antonio; Mora Almerich, José; Amaya Ocampo, Waldimar Alexander; Martínez García, Alfonso; García Muñoz, Víctor; Calvo Díaz-Aldagalán, David; Capmany Francoy, José (Institute of Electrical and Electronics Engineers (IEEE), 2012-06)

The incorporation of multiplexing techniques used in microwave photonics to quantum key distribution (QKD) systems brings important advantages by enabling the simultaneous and parallel delivery of multiple keys between a ...
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 ...
Practical Quantum Key Distribution based on the BB84 protocol

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 ...
Quantum entropy source on an InP photonic integrated circuit for random number generation

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 ...
Rectangular Global Envelope Super Structured FBGs for Multi-band Coherent OCDMA

Baños López, Rocío; García Muñoz, Víctor; Pastor Abellán, Daniel; Amaya Ocampo, Waldimar Alexander (Institute of Electrical and Electronics Engineers (IEEE), 2013-03-01)

We present rectangular global envelope coherent direct sequence en/decoders for wavelength division multiplexing (WDM)-optical code division multiple access applications. The device presents balanced insertion loss and ...
Simultaneous transmission of 20x2 WDM/SCM-QKD and 4 bidirectional classical channels over a PON

Mora Almerich, José; Amaya Ocampo, Waldimar Alexander; Ruiz Alba Gaya, Antonio; Martínez García, Alfonso; Calvo Díaz-Aldagalán, David; García Muñoz, Víctor; Capmany Francoy, José (Optical Society of America, 2012)

We report the transmission of 40 quantum-key channels using WDM/SCM-QKD technology and 4 bidirectional classical channels over a PON. To our knowledge the highest number of quantum key channels simultaneously transmitted ...
Sistemas ópticos con multiplexación por división en código (OCDMA) empleando redes de difracción de Bragg sobre fibra óptica

Amaya Ocampo, Waldimar Alexander (Universitat Politècnica de València, 2008-12-15)

Los avances de los últimos años en dispositivos ópticos han permitido que las tecnologías de codificación y decodificación óptica sean hoy en día una realidad. Existen múltiples aplicaciones en las que es posible utilizar ...
Super-structured Fiber Bragg Gratings with improved features for Coherent Direct Sequence OCDMA

Baños López, Rocío; Pastor Abellán, Daniel; García Muñoz, Víctor; Amaya Ocampo, Waldimar Alexander (Instituto de Telecomunicaciones y Aplicaciones Multimedia (ITEAM), 2013)

[EN] This paper reports different proposals in the field of the Super-structured Fiber Bragg Gratings for Coherent Direct Sequence OCDMA applications providing enhanced fea- tures in terms of available spectral bandwidth, ...
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 ...
WDM-Coherent OCDMA over one single device based on short chip Super structured fiber Bragg gratings

Amaya Ocampo, Waldimar Alexander; Pastor Abellán, Daniel; Baños López, Rocío; García Muñoz, Víctor (Optical Society of America, 2011)

We theoretically propose and demonstrate experimentally a Coherent Direct Sequence OCDMA en/decoder for multi-channel WDM operation based on a single device. It presents a broadband spectral envelope and a periodic spectral ...