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48 results on '"Kogelnik, Herwig"'

3. The evolution of optical systems: optics everywhere

Author

Alferness, Rod C., Kogelnik, Herwig, and Wood, Thomas H.

Subjects
Lucent Technologies Inc. -- Research, Fiber optic networks -- Research, Telecommunications equipment industry -- Research, Science and technology, Telecommunications industry
Abstract

Optical networking systems are being widely and rapidly adopted, and their transmission capacities are continuing to increase. Moreover, research at companies such as Lucent Technologies is making it possible to extend optical technology throughout the network.

Published
2000

12. Lightwave technology: an update

Author

Cohen, Melvin I., Kogelnik, Herwig, and Li, Tingye

Subjects
High Technology, New Technique, Analysis, Telecommunications, Photonics, Telecommunication -- Innovations, Photonics -- Analysis
Published
1992

14. Joint PMD and Chromatic Dispersion Compensation Using an MLSE

Author

Universitat Politècnica de Catalunya. Departament de Teoria del Senyal i Comunicacions, Universitat Politècnica de Catalunya. GCO - Grup de Comunicacions Òptiques, Gené Bernaus, Joan M., Winzer, Peter J., Chandrasekhar, Sethumandhavan, Kogelnik, Herwig, Universitat Politècnica de Catalunya. Departament de Teoria del Senyal i Comunicacions, Universitat Politècnica de Catalunya. GCO - Grup de Comunicacions Òptiques, Gené Bernaus, Joan M., Winzer, Peter J., Chandrasekhar, Sethumandhavan, and Kogelnik, Herwig

Abstract

Experimental investigations show that maximum likelihood sequence estimation (MLSE) in a 10.7 Gb/s non return-to-zero system improves by 60-70% the tolerance to first-order polarization mode dispersion (PMD), even in the presence of residual chromatic dispersion., Peer Reviewed, Postprint (published version)

Published
2006

15. Prolog to the Section on Optics and Photonics

Author

Willner, Alan E., primary, Byer, Robert L., additional, Chang-Hasnain, Constance J., additional, Forrest, Stephen R., additional, Kressel, Henry, additional, Kogelnik, Herwig, additional, Tearney, Guillermo J., additional, Townes, Charles H., additional, and Zervas, Michalis N., additional

Published
2012
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16. Optics and Photonics: Key Enabling Technologies

Author

Willner, Alan E., primary, Byer, Robert L., additional, Chang-Hasnain, Constance J., additional, Forrest, Stephen R., additional, Kressel, Henry, additional, Kogelnik, Herwig, additional, Tearney, Guillermo J., additional, Townes, Charles H., additional, and Zervas, Michalis N., additional

Published
2012
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17. Stewart E. Miller

Author

Burrus, Charles A., Kogelnik, Herwig, and Li, Tingye

Subjects
Physicists -- Biography, Physics
Published
1990

38. Optics at Bell Laboratories–Lasers in Technology

Author

Kogelnik, Herwig W.

Abstract

This paper represents an attempt to illustrate BTL efforts in technological applications of lasers. Included are brief accounts of the BTL contributions to cw lasers in the visible and to light deflectors, which have provided the basis for many applications. A description is given of the work on holography and optical memories, of the primary pattern generator, the remote blackboard system, and of work on micrographics.

Published
1972

39. On the Propagation of Gaussian Beams of Light Through Lenslike Media Including those with a Loss or Gain Variation

Author

Kogelnik, Herwig

Abstract

A theoretical analysis is made of Gaussian beam propagation in media where the refractive index and/or the gain constant varies quadratically with the distance from the optic axis. Use of a complex beam parameter simplifies the analysis. A differential equation for the complex beam parameter is deduced from the wave equation for the complex beam parameter is deduced from the wave equation, and various of its solutions are discussed. This includes a discussion of light propagation in media with a gain profile, which are found capable of supporting stationary beams of constant diameter.

Published
1965

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