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Optics in Astronomy
Optics in Astronomy

Applied Fiber Optic Measurement for Geohydraulic Engineering
Applied Fiber Optic Measurement for Geohydraulic Engineering

Chapter 12 Plane Waves at Boundaries and in Dispersive Media
Chapter 12 Plane Waves at Boundaries and in Dispersive Media

... transmission at planar boundaries between media having different properties. Our study will allow any orientation between the wave and boundary, and will also include the important cases of multiple boundaries. We will also study the practical case of waves that carry power over a finite band of fre ...
Optical coherence tomography (OCT): a review
Optical coherence tomography (OCT): a review

... OCDR was developed originally for finding faults in fiberoptic cables and network components, its ability to probe the eye [8]–[10] and other biological tissues [11], [12] was soon recognized. The superb optical sectioning ability of OCT, which is achieved by exploiting the short temporal coherence ...
WAVE OPTICS
WAVE OPTICS

Ultrafast Internal Conversion of Aromatic Molecules Studied
Ultrafast Internal Conversion of Aromatic Molecules Studied

High-Speed Non-Volatile Optical Memory: Achievements and
High-Speed Non-Volatile Optical Memory: Achievements and

Diffracting fractals: new paradigms in linear wave physics
Diffracting fractals: new paradigms in linear wave physics

Observation of two-photon emission from semiconductors
Observation of two-photon emission from semiconductors

863875
863875

Results from an Extremely Sensitive Rayleigh
Results from an Extremely Sensitive Rayleigh

Quasi Phase Matching Devices for Optical
Quasi Phase Matching Devices for Optical



Get PDF - OSA Publishing
Get PDF - OSA Publishing

Optical absorption cross section of quantum dots
Optical absorption cross section of quantum dots

... comparisons between experiment and theory, in making comparisons between different dot systems, and in modelling optoelectronic devices. In making these comparisons it is important to remember that most self-assembled quantum dots are not spherical so the orientation of the light beam and its polari ...
HIGH - Electrical and Computer Engineering
HIGH - Electrical and Computer Engineering

... radio frequency (RF) phase shifters, and analog/digital microwave links [1], [2]. They are also attractive as an external modulator in wavelength division multiplexing (WDM) fiber-optic telecommunication systems [3]. Recently, electrooptic (EO) polymers attracted extensive attention due to their adv ...
Developing 100 ps-resolved X-ray structural
Developing 100 ps-resolved X-ray structural

PDF
PDF

Measurement of the THz emission from a femtosecond laser filament
Measurement of the THz emission from a femtosecond laser filament

Effect of ABCD transformations on beam paraxiality
Effect of ABCD transformations on beam paraxiality

amplitude transfer function
amplitude transfer function

electromagnetically induced transparency - IAP TU
electromagnetically induced transparency - IAP TU

... coherence and interference. In contrast, the earlier ideas associated with CPT (first observed in 1976)9 had found application mostly as a tool of high-resolution spectroscopy, rather than as a new direction in nonlinear optics. Therefore, the concept of EIT has contributed a distinctive new thrust ...
High spatial resolution performance of a triple Fabry–Pérot filtergraph
High spatial resolution performance of a triple Fabry–Pérot filtergraph

1. Introduction - Radioengineering
1. Introduction - Radioengineering

... index of refraction) were evaluated experimentally in the following way [13]. A THz pulse generated at the PC switch propagates along the line, passes by the detector, and arrives at the open end, where it is reflected and propagates backward passing by the detector again. Hence we can observe the p ...
Ultrafast Carrier and Lattice Dynamics in Highly
Ultrafast Carrier and Lattice Dynamics in Highly

< 1 ... 11 12 13 14 15 16 17 18 19 ... 93 >

Optical rogue waves

Optical rogue waves are rare pulses of light analogous to rogue or freak ocean waves. The term optical rogue waves was coined to describe rare pulses of broadband light arising during the process of supercontinuum generation—a noise-sensitive nonlinear process in which extremely broadband radiation is generated from a narrowband input waveform—in nonlinear optical fiber. In this context, optical rogue waves are characterized by an anomalous surplus in energy at particular wavelengths (e.g., those shifted to the red of the input waveform) and/or an unexpected peak power. These anomalous events have been shown to follow heavy-tailed statistics, also known as L-shaped statistics, fat-tailed statistics, or extreme-value statistics. These probability distributions are characterized by long tails: large outliers occur rarely, yet much more frequently than expected from Gaussian statistics and intuition. Such distributions also describe the probabilities of freak ocean waves and various phenomena in both the man-made and natural worlds. Despite their infrequency, rare events wield significant influence in many systems. Aside from the statistical similarities, light waves traveling in optical fibers are known to obey the similar mathematics as water waves traveling in the open ocean (the nonlinear Schrödinger equation), supporting the analogy between oceanic rogue waves and their optical counterparts. More generally, research has exposed a number of different analogies between extreme events in optics and hydrodynamic systems. A key practical difference is that most optical experiments can be done with a table-top apparatus, offer a high degree of experimental control, and allow data to be acquired extremely rapidly. Consequently, optical rogue waves are attractive for experimental and theoretical research and have become a highly studied phenomenon. The particulars of the analogy between extreme waves in optics and hydrodynamics may vary depending on the context, but the existence of rare events and extreme statistics in wave-related phenomena are common ground.
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