The Application of Time Evolution Operators and Feynman Diagrams to Nonlinear Optics
نویسنده
چکیده
This paper describes a llew approach to the design of multi-element resonant reflectors. These mirrors provide an effective meansof controlling the spectral spread of high-gain laser oscillators, but thecomplexityof the reflectivity as a function of wavelength R(h) hasmade the design of these systems rather difficult. However, we show ManuscriptreceivedApril25, 1977; revisedAugust 8, 1977.Thiswork was supported by the National Science Foundation under Grant The authors are with the Department of Applied Physics and Elec-ENG 73-03795. tronic Science, Oregon Graduate Center, Beaverton,OR 97005.that bymaking a two-dimensional plot of reflectivityversus wavelengthandtemperature,one can obtain several parametersof thesystemimmediately that an R(h) plotdoesnot reveal.Simplealgebraicexpressions for some of these parameters are given, and a configura-tion foran improved four-element wavelength selector based on theseresults is presented. MINTRODUCTIONULTIPLATE resonant reflectors haveproved usefulas cavity mirrors in high-gain laser oscillators which
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