Prof. Miguel V. Andrés
Universidad de Valencia, Instituto de Ciencia de los Materiales
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Academic Career Length
41Years (1986-Present)
(Calculated once Scilit publication data is synced: current year − year of first publication + 1)
Representative Publications
View All Publications5 July 2006 in Journal of Lightwave Technology
Journal Article
JMJ. Mora
J. Mora
BOBeatriz Ortega
Beatriz OrtegaADAntonio Diez
Antonio DiezJCJose Luis Cruz-Muñoz
Jose Luis Cruz-MuñozMiguel V. AndrésDPDaniel Pastor
Daniel Pastor +1
The authors present the theoretical analysis and experimental demonstration of a novel single-bandpass tunable microwave filter. The filter is based on a broadband optical source and a fiber Mach-Zehnder interferometer and shows a high Q factor over a tuning range of 5-17 GHz. A generalized analysis considering that the optical signal propagates along optical delay lines with a dispersion slope different from zero is presented.
17 December 2001 in Optics Express
Journal Article
AFAlbert Ferrando
Albert FerrandoESEnrique Silvestre
Enrique SilvestrePAPedro Andres
Pedro Andres
JMJuan J. Miret
Juan J. Miret
Miguel V. AndrésWe present a systematic study of group-velocity-dispersion properties in photonic crystal fibers (PCF’s). This analysis includes a thorough description of the dependence of the fiber geometrical dispersion on the structural parameters of a PCF. The interplay between material dispersion and geometrical dispersion allows us to established a well-defined procedure to design specific predetermined dispersion profiles. We focus on flattened, or even ultraflattened, dispersion behaviors both in the telecommunication window (around 1.55 µm) and in the Ti-Za laser wavelength range (around 0.8 µm). We show the different possibilities of obtaining normal, anomalous, and zero dispersion curves in the above frequency domains and discuss the limits for the existence of the above dispersion profiles.
1 January 2006 in Optics Express
Journal Article
YBYuri Barmenkov
Yuri BarmenkovDZDobryna Zalvidea
Dobryna Zalvidea
STSalvador Torres-Peiró
Salvador Torres-Peiró
JCJose Luis Cruz-Muñoz
Jose Luis Cruz-MuñozMiguel V. AndrésIn this paper, we describe the properties of Fabry-Perot fiber cavity formed by two fiber Bragg gratings in terms of the grating effective length. We show that the grating effective length is determined by the group delay of the grating, which depends on its diffraction efficiency and physical length. We present a simple analytical formula for calculation of the effective length of the uniform fiber Bragg grating and the frequency separation between consecutive resonances of a Fabry-Perot cavity. Experimental results on the cavity transmission spectra for different values of the gratings’ reflectivity support the presented theory.
1 March 1999 in Optics Letters
Journal Article
AFAlbert Ferrando
Albert FerrandoESEnrique Silvestre
Enrique SilvestreJMJ. J. Miret
J. J. Miret
PAP. Andrés
P. Andrés
Miguel V. AndrésOptics InfoBase is the Optical Society's online library for flagship journals, partnered and copublished journals, and recent proceedings from OSA conferences.
1 January 2006 in Optics Express
Journal Article
MDMartina Delgado-Pinar
Martina Delgado-PinarDZD. Zalvidea
D. Zalvidea
ADAntonio Diez
Antonio DiezPPP. Perez-Millan
P. Perez-MillanMiguel V. AndrésWe report active Q-switching of an all-fiber laser using a Bragg grating based acousto-optic modulator. Q-switching is performed by modulating a fiber Bragg grating with an extensional acoustic wave. The acoustic wave modulates periodically the effective index profile of the FBG and changes its reflection features. This allows controlling the Q-factor of the cavity. Using 1 m of 300 ppm erbium-doped fiber and a maximum pump power of 180 mW, Q-switch pulses of 10 W of peak power and 82 ns wide were generated. The pulse repetition rate of the laser can be continuously varied from few Hz up to 62.5 kHz.
1 January 2007 in Optics Express
Journal Article
VZVanessa Zamora
Vanessa Zamora
ADAntonio Diez
Antonio DiezMiguel V. AndrésBGBenito Gimeno
Benito Gimeno
Whispering-gallery modes resonances of submicron wall thickness capillaries exhibit very large wavelength shifts as a function of the refractive index of the medium that fills the inside. The sensitivity to refractive index changes is larger than in other optical microcavities as microspheres, microdisks and microrings. The outer surface where total internal reflection takes place remains always in air, enabling the measure of refractive index values higher than the refractive index of the capillary material. The fabrication of capillaries with submicron wall thickness has required the development of a specific technique. A refractometer with a response higher than 390 nm per refractive index unit is demonstrated. These sensors are readily compatible with microfluidic systems.
About Me
Miguel V. Andrés was born in Valencia (Spain) in 1957 and, at present, he is a Professor at the Department of Applied Physics of the University of Valencia, Spain, being responsible for the leadership and management of the Laboratory of Fiber Optics (www.uv.es/lfo). He received his B.Sc. and Ph.D. degrees in Physics from the University of Valencia, Spain, in 1979 and 1985, respectively. Since 1983, he has successively served as an Assistant Professor, Lecturer, and Professor in the Department of Applied Physics of the University of Valencia. After a postdoctoral stay (1984-1987) at the Department of Physics, University of Surrey, U.K., he founded the Laboratory of Fiber Optics at the University of Valencia. His current research interests include photonic crystal fibers, in-fiber acousto-optics and opto-mechanics, fiber lasers and new fiber-based light sources, fiber sensors, optical microcavities, microwave photonics, and waveguide theory. His research activity includes an increasing number of collaborations with Latin America universities and research institutes of Mexico, Argentina, and Brazil among others.