Dispersion Characteristics of Optically Excited Coplanar Striplines: Comprehensive Full-Wave Analysis

Dhananjay S. Phatak; A. P. Defonzo; Nirod K. Das

doi:10.1109/22.60020

Dispersion Characteristics of Optically Excited Coplanar Striplines: Comprehensive Full-Wave Analysis

Dhananjay S. Phatak, A. P. Defonzo, Nirod K. Das

Electrical and Computer Engineering

Research output: Contribution to journal › Article › peer-review

Abstract

A spectral-domain full-wave analysis is developed to obtain dispersion and loss characteristics of optically excited coplanar striplines. This can account for the propagation of electrical pulses with bandwidths exceeding one terahertz. Peaks are observed in the dispersion curve of the coplanar stripline. These are physically related to the onset and coupling of the substrate modes to the transmission line mode. Analytically, the excitation of substrate modes is shown to correspond to the occurrence of the poles of the Green’s function in the reaction integrals. Results of the full-wave analysis are in good agreement with those obtained by established theory.

Original language	English (US)
Pages (from-to)	1719-1730
Number of pages	12
Journal	IEEE Transactions on Microwave Theory and Techniques
Volume	38
Issue number	11
DOIs	https://doi.org/10.1109/22.60020
State	Published - Nov 1990

ASJC Scopus subject areas

Radiation
Condensed Matter Physics
Electrical and Electronic Engineering

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title = "Dispersion Characteristics of Optically Excited Coplanar Striplines: Comprehensive Full-Wave Analysis",

abstract = "A spectral-domain full-wave analysis is developed to obtain dispersion and loss characteristics of optically excited coplanar striplines. This can account for the propagation of electrical pulses with bandwidths exceeding one terahertz. Peaks are observed in the dispersion curve of the coplanar stripline. These are physically related to the onset and coupling of the substrate modes to the transmission line mode. Analytically, the excitation of substrate modes is shown to correspond to the occurrence of the poles of the Green{\textquoteright}s function in the reaction integrals. Results of the full-wave analysis are in good agreement with those obtained by established theory.",

author = "Phatak, {Dhananjay S.} and Defonzo, {A. P.} and Das, {Nirod K.}",

year = "1990",

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publisher = "Institute of Electrical and Electronics Engineers Inc.",

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T1 - Dispersion Characteristics of Optically Excited Coplanar Striplines

T2 - Comprehensive Full-Wave Analysis

AU - Phatak, Dhananjay S.

AU - Defonzo, A. P.

AU - Das, Nirod K.

PY - 1990/11

Y1 - 1990/11

N2 - A spectral-domain full-wave analysis is developed to obtain dispersion and loss characteristics of optically excited coplanar striplines. This can account for the propagation of electrical pulses with bandwidths exceeding one terahertz. Peaks are observed in the dispersion curve of the coplanar stripline. These are physically related to the onset and coupling of the substrate modes to the transmission line mode. Analytically, the excitation of substrate modes is shown to correspond to the occurrence of the poles of the Green’s function in the reaction integrals. Results of the full-wave analysis are in good agreement with those obtained by established theory.

AB - A spectral-domain full-wave analysis is developed to obtain dispersion and loss characteristics of optically excited coplanar striplines. This can account for the propagation of electrical pulses with bandwidths exceeding one terahertz. Peaks are observed in the dispersion curve of the coplanar stripline. These are physically related to the onset and coupling of the substrate modes to the transmission line mode. Analytically, the excitation of substrate modes is shown to correspond to the occurrence of the poles of the Green’s function in the reaction integrals. Results of the full-wave analysis are in good agreement with those obtained by established theory.

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