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Optics Letters, ISSN 0146-9592, 10/2016, Volume 41, Issue 20, pp. 4637 - 4640
We demonstrate numerically that a semiconductor laser subjected to phase-conjugate feedback (PCF) can exhibit an enhancement in the complexity of chaos by... 
INJECTION | DYNAMICS | SUBJECT | TIME | OPTICS | IDENTIFICATION | RANDOM BIT GENERATION | SEMICONDUCTOR-LASER | Semiconductor lasers | Random numbers | Optical feedback | Feedback | Chaos theory | Bandwidth | Spectra | Complexity | Engineering Sciences | Nonlinear Sciences | Physics
Journal Article
OPTICS LETTERS, ISSN 0146-9592, 03/2019, Volume 44, Issue 6, pp. 1496 - 1499
We experimentally observe an ultralow effective group velocity of 0.9 cm/s of light pulses using the two-wave mixing process in an Sn2P2S6 (SPS):Te crystal at... 
OPTICS | MU-M | DELAY | PULSES | Pulse duration | Two-wave mixing | Group velocity | Photorefractivity | Nonlinearity | Nonlinear control | Time lag
Journal Article
Physical Review A, ISSN 2469-9926, 05/2018, Volume 97, Issue 5, p. 051801(R)
We analyze the nonlinear propagation of a one-dimensional Airy beam. Under nonlinear focusing conditions, the Airy beam splits into a weak accelerating... 
GENERATION | OPTICS | LIGHT | PHYSICS, ATOMIC, MOLECULAR & CHEMICAL | Optics | Nonlinear Sciences | Pattern Formation and Solitons | Physics
Journal Article
Optics Letters, ISSN 0146-9592, 10/2014, Volume 39, Issue 20, pp. 5997 - 6000
We analyze numerically optical waveguide structures in photorefractive media induced by one or two incoherent counter-propagating (CP) Airy beams. Under... 
GENERATION | OPTICS | Beams (radiation) | Deflection | Gaussian beams (optics) | Focusing | Photorefractivity | Nonlinearity | Optical waveguides | Interconnections | Photonic | Engineering Sciences | Optics
Journal Article
Optics Letters, ISSN 0146-9592, 01/2017, Volume 42, Issue 2, pp. 306 - 309
Weexperimentally report the sequence of bifurcations destabilizing and restabilizing a laser diode with phase-conjugate feedback when the feedback rate is... 
OPTICS | STABILITY | SEMICONDUCTOR-LASER | BIFURCATION | CHAOTIC DYNAMICS | MIRROR | Harmonics | Reproduction | Feedback | Holes | Mathematical models | Hopf bifurcation | Steady state | Laser diodes | Photonic | Engineering Sciences | Optics
Journal Article
Scientific Reports, ISSN 2045-2322, 12/2019, Volume 9, Issue 1, pp. 5004 - 6
We study the first experimental collisions of two incoherent self-focused counterpropagating Airy beams in a nonlinear crystal. Their interactions demonstrate... 
MULTIDISCIPLINARY SCIENCES | SOLITONS | Nonlinear systems | Nonlinear Sciences | Pattern Formation and Solitons
Journal Article
Scientific Reports, ISSN 2045-2322, 10/2016, Volume 6, Issue 1, p. 35078
The unique bending and shape-preserving properties of optical Airy beams offer a large range of applications in for example beam routing, optical waveguiding,... 
MULTIDISCIPLINARY SCIENCES | INDEX GRADIENT | Illumination | Spatial discrimination | Self | Physics
Journal Article
Scientific Reports, ISSN 2045-2322, 01/2016, Volume 6, Issue 1, p. 18988
Wideband chaos is of interest for applications such as random number generation or encrypted communications, which typically use optical feedback in a... 
SEMICONDUCTOR-LASERS | ITINERANCY | COHERENCE COLLAPSE | INJECTION | CAVITY | MULTIDISCIPLINARY SCIENCES | DIODE | RANDOM BIT GENERATION | FEEDBACK | COMMUNICATION | Nonlinear Dynamics | Equipment Design | Oscillometry | Lasers, Semiconductor | Feedback | Chaos theory | Bandwidths | Photonic | Optics | Nonlinear Sciences | Engineering Sciences
Journal Article
Optical Materials Express, ISSN 2159-3930, 11/2011, Volume 1, Issue 7, pp. 1178 - 1184
We experimentally demonstrate the possibility of photorefractive 2D self-focusing in bulk Cerium doped Strontium Barium Niobate (SBN:Ce) directly at... 
Wavelengths | Infrared | Cerium | Optical materials | Telecommunications | Electro-optics | Laser beams | Two dimensional
Journal Article
Physical Review E - Statistical, Nonlinear, and Soft Matter Physics, ISSN 1539-3755, 08/2015, Volume 92, Issue 2, p. 022906
The rate equations for a laser diode subject to a filtered phase-conjugate optical feedback are studied both analytically and numerically. We determine the... 
OPTOELECTRONIC FEEDBACK | CHAOS | SYNCHRONIZATION | STABILITY ANALYSIS | INJECTION | PHYSICS, FLUIDS & PLASMAS | POLARIZATION-ROTATED FEEDBACK | SUBJECT | PHYSICS, MATHEMATICAL | SEMICONDUCTOR-LASER | BIFURCATION | MIRROR | Engineering Sciences | Nonlinear Sciences
Journal Article
Optics Letters, ISSN 0146-9592, 06/2014, Volume 39, Issue 12, pp. 3690 - 3693
We have experimentally analyzed pattern formation in an optical system composed of a bulk photorefractive crystal subjected to a single optical feedback. In a... 
OPTICS | Nonlinear dynamics | Turbulence | Optical feedback | Fluid dynamics | Crystals | Photorefractivity | Statistics | Dynamical systems | Photonic | Engineering Sciences | Optics
Journal Article
Physical Review Letters, ISSN 0031-9007, 01/2017, Volume 118, Issue 1, p. 013902
We analyze the transition from convective to absolute dynamical instabilities in a nonlinear optical system forming patterns, i. e., a photorefractive crystal... 
VAPOR | PHYSICS, MULTIDISCIPLINARY | FEEDBACK | CAVITY SOLITONS | Nonlinear dynamics | Crystals | Photorefractivity | Control systems | Stability analysis | Dynamical systems | Steady state | Bistability | Nonlinear Sciences | Pattern Formation and Solitons
Journal Article
Scientific Reports, ISSN 2045-2322, 08/2015, Volume 5, Issue 1, p. 13463
We analyse theoretically the spatiotemporal dynamics of two incoherent counterpropagating Airy beams interacting in a photorefractive crystal under focusing... 
KERR | GENERATION | SOLITONS | SELF-TRAPPED BEAMS | MULTIDISCIPLINARY SCIENCES | INSTABILITIES | Light effects | Nonlinear systems | Spatial discrimination | Nonlinear Sciences | Pattern Formation and Solitons
Journal Article
Optics Letters, ISSN 0146-9592, 02/2019, Volume 44, Issue 4, pp. 975 - 978
Journal Article
Optics Letters, ISSN 0146-9592, 07/2014, Volume 39, Issue 13, pp. 4021 - 4024
We unveil theoretically the bifurcations to chaotic low-frequency fluctuations (LFF) in a laser diode with phase-conjugate feedback (PCF). LFF occur from a... 
SEMICONDUCTOR-LASERS | DYNAMICS | ITINERANCY | OPTICAL FEEDBACK | OPTICS | COHERENCE COLLAPSE | Lasers | Feedback | Chaos theory | Dynamics | Fluctuation | Bifurcation theory | Dynamical systems | Laser diodes | Photonic | Engineering Sciences | Optics
Journal Article
Optics Letters, ISSN 0146-9592, 11/2008, Volume 33, Issue 21, pp. 2509 - 2511
We study the control of modulational instability and pattern formation in a nonlinear dissipative feedback system with a periodic modulation of the material... 
OPTICS | Equipment Design | Refractometry - instrumentation | Equipment Failure Analysis | Lenses | Photonic | Engineering Sciences | Optics
Journal Article
Optics Letters, ISSN 0146-9592, 03/2013, Volume 38, Issue 5, pp. 703 - 705
We report experimentally on extreme events in the pulsating dynamics of an optical time-delayed system, i.e., a diode laser subject to a phase-conjugate... 
LASER | OPTICS | ROGUE WAVES
Journal Article
Chaos: An Interdisciplinary Journal of Nonlinear Science, ISSN 1054-1500, 11/2017, Volume 27, Issue 11, p. 114314
We numerically investigate the dynamics of a semiconductor laser subject to phase-conjugate optical feedback. We explore the effects of the laser model and... 
MATHEMATICS, APPLIED | OPTICAL FEEDBACK | DYNAMICS | PHYSICS, MATHEMATICAL | SEMICONDUCTOR-LASER | BIFURCATION | MIRROR | Nonlinear Sciences
Journal Article
Optics Letters, ISSN 0146-9592, 03/2013, Volume 38, Issue 5, pp. 703 - 705
We report experimentally on extreme events in the pulsating dynamics of an optical time-delayed system, i.e., a diode laser subject to a phase-conjugate... 
Reflectivity | Nonlinear dynamics | Feedback | Diode lasers | Statistics | Dynamical systems | Nonlinear optics | Extreme values
Journal Article
Physical Review E - Statistical, Nonlinear, and Soft Matter Physics, ISSN 1539-3755, 04/2015, Volume 91, Issue 4, p. 042914
Extreme intensity pulses sharing statistical properties similar to rogue waves have been recently observed in a laser diode with phase-conjugate feedback [A.... 
COHERENCE COLLAPSE | BIFURCATIONS | INJECTION | PHYSICS, FLUIDS & PLASMAS | CAVITY | DYNAMICS | SUBJECT | PHYSICS, MATHEMATICAL | SEMICONDUCTOR-LASER | ROGUE WAVES | MIRROR | Photonic | Optics | Chaotic Dynamics | Nonlinear Sciences | Engineering Sciences
Journal Article
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