H. Kogelnik, “Theory of Optical-Waveguides in Guided Wave Optoelectronics,” Springer-Verlag, Berlin, , pp. H. Kogelnik, “Theory of dielectric waveguides,” in Integrated Optics,T. Tamir, Ed. mode theory for optical waveguides was developed in early seventies [6–11]. optics. This chapter is devoted to the theory of these waveguides. Other chapters of .. which is taken from KOGELNIK and RAMASWAMY.
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Express 19 26B Encyclopedia … combined with a great Buyer’s Guide! For example, aberrations of the thermal lens in the gain medium of a solid-state bulk laser couple the modes of the laser resonatoras calculated without these aberrations. Introduction By T Tamir.
These equations contain coupling coefficients, which are usually calculated from overlap integrals, involving the two mode functions and the disturbance causing the coupling. This leads to a strong loss of beam quality above a certain pump power level. Some examples of mode coupling are discussed in the following: RP Services and Tools.
Bend losses can be understood as coupling to non-guided and thus lossy modes. Express 19 11 A.
In addition, it will serve as a comprehensive reference manual for the theory and application waveguiddes the most recent thin-film optical and optoelectronic technology. Because of the systematic arrangement of its chapters, the book should also be very useful to graduate and senior undergraduate students.
Evolution of mode powers in a long-period fiber Bragg grating, which couples light from the injected fundamental mode radiation into higher-order modes.
This picture can serve e. Waveguide Transitions and Junctions. From inside the book. The basic idea of coupled-mode theory is to decompose all propagating light into the known modes of the undisturbed device, and then to calculate how these modes are coupled with each other by some additional influence.
The book is a completely new survey of the most recent advances in the areas of integrated optics and optelectronics.
Express 14 13aaveguides Express 19 26B  A. B 58,  W. Springer- Science – pages. A consequence of that is that the power transfer from a mode A to another mode B can be kept very small simply by strongly attenuating mode B.
Express 14 13 M. For some cases with statistical variations of coupling effects, one may use a coupled-power theory wavevuides of standard theories based on amplitude coupling . Account Options Sign in. Bertoni Snippet view – Included are sections on basic theory as well as detailed descriptions of fabrication technology, applications and a plethora of available devices.
Technically, the mode coupling approach is often used in the form of coupled differential equations for the complex excitation amplitudes of all the involved modes.
Mode Coupling The concept of mode coupling is very often used e. This approach is often technically and conceptually much more convenient than, e. The field evolution has been calculated with numerical beam propagation, and the local mode powers have been obtained from the results using overlap integrals with the mode functions as obtained from a mode solver applied to the bare fiber.
For full-text searches, use our search page. Common terms and phrases absorption achieved active layer active region AlGaAs amplifier Appl applications approximately band bandwidth branch capacitance cavity channel guide channel waveguides components confinement coupled-mode coupling loss curves depends devices dielectric diffusion directional coupler effective index electric field electro-optic electro-optic effect electrode epitaxial etched fabricated fiber filter frequency function GaAs gain compression given grating guided modes heterojunction IEEE increases index change InGaAsP input integrated optics length Lett LiNbO3 linear linewidth lithium niobate loss logelnik mode amplitudes mode conversion wavevuides modes obtained optical waveguides output power parameters parasitics phase modulation phase shift photon density Phys planar polarization power transfer propagation constant R.
Nonlinear interactions in a waveguide can also couple the modes as calculated for low light intensities to each other.
This mechanism can involve either a Kramers—Kronig effect or thermal distortions influencing the refractive index profile.
Optical resonators cavities can exhibit various kinds of mode coupling phenomena. Strong resonant coupling can occur in certain situations, involving frequency degeneracies of resonator modes. In this situation, however, not all involved modes are pptical resonant at the same time.
This means then that the amplitude contribution which is fed e. Written by nine authors who are internationally recognized authorities in their areas, the book contains chapters on optical waveguides, lightwave junctions and other thin-film components, References to this book Encyclopedia of Optical Engineering: Las-Pho, pages Ronald G. B 58, Express 19 11 ,