Hermann A. Haus's Electromagnetic Noise and Quantum Optical Measurements PDF

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By Hermann A. Haus

ISBN-10: 3642084621

ISBN-13: 9783642084621

ISBN-10: 3662041901

ISBN-13: 9783662041901

Electromagnetic Noise and Quantum Optical Measurements is the results of greater than forty years of analysis and educating. the 1st 3 chapters give you the history essential to comprehend the elemental ideas. Then shot noise and thermal noise are mentioned, through linear noisy multiparts, the quantum conception of waveguides and resonators, an research of phase-insensitive structures, detection, photon likelihood distributions, solitons, phase-sensitive amplification, squeezing, the quantum thought of solitons and squeezing, and quantum non-demolition measurements. wealthy appendices supply more information. The e-book is meant for graduate scholars and scientists in physics and engineering. a number of difficulties and chosen ideas can assist readers to deepen their knowledge.

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Example of a waveguide geometry line integral in the transverse cross section. 30) and write, for the electric-field solution in general, E = V(z)eT(x, y) . 31) The solution for the magnetic field can also be written as a product of a function of z alone and a function of the transverse coordinates alone: H = I(z)hT(x, y) . 21), d dz I . 34) where K is a normalization constant. 34). We have found two coupled first-order differential equations for V(z) and I(z). Elimination of either V(z) or I(z) from the two coupled equations leads to the wave equation for either V(z), as in 46 2.

It shows that the electromagnetic power delivered per unit volume is equal to the time-averaged power density P supplied to the medium and the time rate of growth of the free-space energy density. 88) contains phase information on the divergence of the complex Poynting vector that cannot be obtained simply from the time-dependent form of the Poynting theorem. We shall now consider a medium that does not support a free current density, so that J = O. 86), we obtain the following: P + iQ = ~(E. 89) = 2[(a + iw)E· EoXe(W + ia) .

Next, considering the cross product of a complex vector E with its own conjugate, we obtain E x E* = [Re(E) + iIm(E)] x [Re(E) = 2iIm(E) x Re(E) . 6 Operations with Complex Vectors 27 This product is not automatically equal to zero. It is zero if, and only if, the real and imaginary parts of the vector E are parallel to each other. We conclude that the product E x E* is equal to zero if, and only if, the timedependent vector E(r, t) is linearly polarized. 66) we have studied various products of a complex vector with itself or its own complex conjugate.

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Electromagnetic Noise and Quantum Optical Measurements by Hermann A. Haus

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