Volume 41, number 4 optics communications 15 april 1982 on optical pulse propagation sami a. We therefore set up initial conditions covering each point in time at a chosen point in. Electromagnetic and optical pulse propagation springerlink. Full text of optical pulse propagation with minimal. Electromagnetic waves propagation in photonic crystals with. Shtyrina, modulation instability at propagation of narrowband 100ns pulses in optical fibers of various types, laser phys. Us6414473b1 electroopticmagnetooptic measurement of. Using a fiberoptic pulse sensor in magnetic resonance imaging. Modeling of nonlinear ultrashort optical pulse propagation by gregory joseph stein b.
Electromagnetic and optical pulse propagation volume 2 temporal pulse dynamics in dispersive attenuative media springer series in optical sciences book 225 format. The propagation equation governing the evolution of the complex envelope of optical pulses plays a key role in nonlinear optics. Jan 19, 2017 an analytical and simulation based method has been used to exactly solve the nonlinear wave propagation in bulk media exhibiting frequency dependent dielectric susceptibility and magnetic permeability. Atmospheric variables that affect em propagation include temperature, moisture, pressure, and composition. The relationship between both the mathematical and physical interpretation of classical electromagnetic field theory with the special theory of relativity is emphasized throughout the volume. Oughstun in two volumes, this book presents a detailed, systematic treatment of electromagnetics with application to the propagation of transient electromagnetic fields including ultrawideband signals and ultrashort pulses.
The pulse data from the sensor is displayed in real time on the pc screen and is used to trigger the mri on the rising edge of the conducted heartbeat. Oct 19, 2012 the system consists of a 1064 nm subnanosecond laser source providing both a monochromatic pump and a polychromatic stokes optical beam used in a cars process, as well as the trigger beam for the optoelectronic switchingbased electrical pulse generator. Propagation of a gaussian electromagnetic pulse and laser. Magnetooptical devices for optical integrated circuits. Electromagnetic and optical pulse propagation presents a systematic treatment of the radiation and propagation of transient electromagnetic and optical wave fields such as those used in ultrawideband radar and communications systems as well as in ultrashort pulsed optics through causal, locally linear media which exhibit both temporal. Rene marklein, radio science bulletin, issue 333, june, 2010. For the faraday rotation effect, light polarization in an optical medium rotates when the medium is exposed to a magnetic field in the direction of light propagation. It is highly recommended for graduate students, researchers, physicists, and engineers who are working in the field of electromagnetic wave propagation, antennas, microwaves, photonics, and optoelectronics. Emp can also be produced from nonnuclear sources, such as electromagnetic bombs, or ebombs. The resultant ability to simulate efficiently the effect of electron optical elements e. Introduction to electromagnetic and electrooptical propagation. Let a plane em pulse with its envelope described by a dirac function be propagating perpendicularly to the screen edge. Anomalous refractive phenomena at the air pc interface 108 iii. A model for pulse propagation in rsoas, which predicts the amplified pulse temporal and spectral characteristics, has been developed and experimentally verified.
The method has been further extended to investigate the intensity distribution in a nonlinear metamaterial with negative refractive index where both. Linearresponse optical pulse propagation in a resonant dispersive medium is a classical. Improvised electromagnetic pulse devices weapons effects. Ultrashort optical pulse propagation in a dispersive medium. Electromagnetic and optical pulse propagation 2 springerlink. Reflective semiconductor optical amplifier pulse propagation. The propagation of wideband electromagnetic pulses in a causal, temporally dispersive dielectric has been studied since the beginning of the 19th century 1 3. An electrooptic or magnetooptic crystal 14 is positioned such that the freespace radiation and chirped optical probe signal copropagate, preferably in a colinear common direction, through the crystal where a temporal waveform of the freespace radiation is linearly. This book gives a systematic, rigorous treatment of timedomain electromagnetics with application to the propagation of transient electromagnetic fields in homogeneous, isotropic media, featuring asymptotic analysis of pulse propagation in dielectric, conducting, and semiconducting materials. These variables control processes including refraction, absorption, and scattering. Spatial propagation is the usual choice in nonlin ear optics and optical pulse propagation, where flelds et, x, y, ht, x, y are stepped forward in a chosen spa tial direction z. Volume 2 covers temporal pulse dynamics in dispersive attenuative media, with asymptotic analysis at the forefront. Propagation equations for optical pulses are needed to assist in describing applications in ever more extreme situations including those in metamaterials with linear and nonlinear magnetic responses. Modeling of nonlinear ultrashort optical pulse propagation.
It is said that a photonic bandgap is complete, if a forbidden gap exists for all polarizations and all propagation direction. In two volumes, this book presents a detailed, systematic treatment of electromagnetics with application to the propagation of transient electromagnetic fields including ultrawideband signals and ultrashort pulses in dispersive attenuative media. Time, polarization, or frequencymultiplexed schemes are analyzed. This lesson describes the properties of electromagnetic and electro optical radiation and how their propagation is affected by the atmosphere and weather. The mr processor uses 128 sets of data which are fourier transformed to produce the mr images.
Oughstun and others published electromagnetic and optical pulse propagation 1. Temporal pulse dynamics in dispersive, attenuative media springer series in optical sciences book 144 kindle edition by oughstun, kurt e download it once and read it on your kindle device, pc, phones or tablets. In a military contextand the subject of this articlean electromagnetic pulse emp is a transient electromagnetic signal produced by a nuclear explosion in or above earths atmosphere. Nonlinear optical pulse propagation in the singlecycle. Taylor and amnon yariv, fellow, ieee invited paper aavmcrphenomena associated with the propagation and manipula tion of light in thinfh dielectric waveguides are presently the object of qdenble reseuch effort, directed towrat possiile appliations. Frequency dependent propagation often, the propagation parameters speed, impedance depend on frequency. Gupta department of electrical, electronic and computer engineering at napier university, edinburgh, uk abstract the authors have applied the 3d fdtd technique to simulate the. Use features like bookmarks, note taking and highlighting while reading electromagnetic and optical pulse propagation 2. Abstract by solving the wave equation for an electromagnetic radiation an integral expression for the monochromatic pulse of. Here i show how to derive a single first order propagation equation using a minimum. Dec 23, 2010 the analytical gaussian electron pulse propagation model of michalik and sipe j. Here i show how to derive a single first order propagation equation using a minimum of approximations and a straightforward factorization mathematical scheme. Vacuum polarization and photon propagation in an electromagnetic plane wave akihiro yatabe1, and shoichi yamada1 1advanced research institute for science and engineering, waseda university, 341, okubo, shinjuku, tokyo 1698555, japan email. Though not considered directly dangerous to people, emp is a potential threat to many electronic systems.
Quantum soliton, squeezing, correlation, and entanglement are explained. The second edition contains new material on the effects of spatial dispersion on precursor formation, and pulse transmission into a dispersive half space and into multilayered media. Oughstun and others published electromagnetic and optical pulse propagation 2 find, read and cite all the research you need on researchgate. This effect has been experimentally verified, for subpicosecond pulses, and has been able to achieve relatively high compression factors, the ratio of the input pulse duration to that of the output. This signal is then used by the mri equipment to take a series of pulse gated snapshots. Electromagnetic wave propagation in twodimensional photonic. Slow light propagation in a linearresponse three level atomic. Oregon center for optics and department of physics, university of oregon, eugene. The twolevel approximation which is usually used for describing coherent propagation of an optical pulse in resonant media is examined using a canonicaltransformation method in which the effect of other nonresonant levels is transformed to the renormalized energies of the two levels. Electromagnetic and optical pulse propagation presents a detailed, systematic. Highaltitude nuclear detonations and electromagnetic bombs can generate emp that. A unidirectional optical pulse propagation equation for materials. It is common to distinguish one, two and threedimensional photonic.
The model has potential applications in optimizing rsoas and predicting the behavior of optical subsystems incorporating rsoas, such as fiber ring lasers and pons. Twolevel approximation for optical pulse propagation in. Electromagnetic pulse emp accessscience from mcgrawhill. Analytical model and experimental verification of the. Description of ultrashort pulse propagation in multimode optical fibers. Pulse propagation in nonlinear media and photonic crystals. On the propagation of electromagnetic pulses with low.
Optical pulse propagation with minimal approximations. Spectral representations in temporally dispersive media kurt e. Pdf theoretical study of nonlinear optical pulse propagation in metamaterials is presented in this paper. Phenomenological dephasing t2 and recovery t1 times are defined, and a linear nonsaturable loss mechanism is included. In the second part of the thesis a strict theory of nonlinear propagation of a few strong interacting light beams is presented. Simulation of electromagnetic pulse propagation in threedimensional finitedifference timedomain fdtd method using parallel processing techniques w. A study of anoma lous refractive effects 104 abstract 104 i. Describes how laser radiation propagates in natural and artifici. Shakir department of physics, yarmouk university, irbid, jordan received 23 december 1981 we show that for an optical pulse propagating in a linear optical system, the pulse area ox f dt is governed by the same relations obeyed by the electric field for a cw beam.
Exact solutions of optical pulse propagation in nonlinear. Electromagnetic and optical pulse propagation 1 spectral. The rigorous description of the signal velocity of a pulse in a dispersive material is presented in connection with the question of superluminal pulse propagation. The key idea of this approach is a selfconsistent solution of the nonlinear wave equation and the density matrix equations of the material. Entangled quantum solitons can be generated through nonlinear interaction. Electromagnetic and optical pulse propagation presents a systematic treatment of the radiation and propagation of transient electromagnetic and optical wave fields such as those used in ultrawideband radar and communications systems as well as in ultrashort pulsed optics through causal, locally linear media which exhibit both temporal dispersion and absorption. Characterization of freespace electromagnetic energy pulses 15 using a chirped optical probe beam is provided. Gupta department of electrical, electronic and computer engineering at napier university, edinburgh, uk abstract the authors have applied the 3d fdtd technique to simulate the propagation of electrical signals on a microstrip. Fiberoptic sensor for aircraft lightning current measurement. Electromagnetic and optical pulse propagation presents a systematic treatment of the radiation and propagation of transient electromagnetic and optical wave fields such as those used in ultrawideband radar and communications systems as well as in ultrashort pulsed optics through causal, locally linear media which exhibit both temporal dispersion and. Em mode theory for optical propagation electromagnetic waves em wave theory must be considered in order to obtain an improved model for propagation of light in an optical fiber the basis for em wave propagation is provided by maxwells equations total internal reflection we know that inside a waveguide light is trapped due to total internal reflection. Spectral representations in temporally dispersive media find, read and cite. To estimate the energy of optical pulse required for magnetization reversal, we assumed that rc is 500 ps, the efficiency of photon to spin conversion is 40 % and the critical current for the magnetization reversal is 5 ma kubota et al.
Electromagnetic and optical pulse propagation volume 2. Electromagnetic and optical pulse propagation 2 request pdf. This forbidden frequency range is called the photonic bandgap. Propagation equations for optical pulses are needed to assist in describing applications in ever more extreme situations including. Pulse compression with supercontinuum generation in. I derive unidirectional wave equations for fields propagating in materials with both electric and magnetic dispersion and nonlinearity. In the numerical calculations, only the case of negligible excitation during the time it takes a pulse to. Ultrashort optical pulse propagation in a dispersive medium osa. Examples are i propagation through the ionosphere plasma i propagation in optical bres and waveguides i propagation in lossy media i propagation in engineered composite materials in this lecture, we give tools to analyze and characterize. Oct 31, 2008 propagation equations for optical pulses are needed to assist in describing applications in ever more extreme situations including those in metamaterials with linear and nonlinear magnetic responses. Electromagnetic and optical pulse propagation 1 springerlink. The first part concentrates on the optical pulse propagation modeling, and provides a classification of various approaches to optical field evolution equations.
127 186 201 974 760 863 521 1007 1376 998 453 1336 971 537 240 334 361 210 777 1275 532 565 1154 985 647 275 1370 549 1350 1106 751 1494 1290 1158 638 695 1216 898