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131648

Voltage Controlled-Bandwidth Electrooptic Transverse Phase Modulator with Parallel Electrodes.

Article

Last updated: 04 Jan 2025

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Subjects

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Tags

Electronics and Communications Engineering

Abstract

An algorithm to find the bandwidth (∆F) and half wave retardation (Vtz) of the transverse phase modulator for several elect optic materials with X, Y AND Z-cuts, is cast where ∆F and Vtz are calculated by determining the propagation constant of anisotropic metal clad electro optic rectangular waveguide before (ᵝa) and after (ᵝy) applied voltage through parallel electrodes. The optimum design with broad ∆F, lower Vtz and smallest propagation losses is done. It is found that KNbO3 without rolating of axes (Z-cut) is the best material but, DaTiO5 with rolating of axes (Y-cut) gives smallest figure of merit (VR/∆F. The values of, ∆F, Vtz and Vr/∆F are increased with the operation wavelength (λ). The propagation constant approximately, is independent of the electrode material and silver gives smallest losses. Either Ex or Ey give similar numerical results with exchange the orientation cases. The effect of modular or length can be treated by change the applied voltage with the same reciprocal ratio without rotating of axes.

DOI

10.21608/bfemu.2020.131648

Authors

First Name

A.

Last Name

Zaghloul

MiddleName

M.

Affiliation

Electronics and Communications, Faculty of Engineering, Zagazig University., Zagazig., Egypt

Email

-

City

Zagazig

Orcid

-

Volume

30

Article Issue

3

Related Issue

19436

Issue Date

2005-09-01

Receive Date

2005-12-11

Publish Date

2020-12-22

Page Start

1

Page End

12

Print ISSN

1110-0923

Online ISSN

2735-4202

Article File

BFEMU_Volume 30_Issue 3_Pages 1-12.pdf

PDF . 234.2kB

Link

https://bfemu.journals.ekb.eg/article_131648.html

Detail API

https://bfemu.journals.ekb.eg/service?article_code=131648

Order

7

Type

Research Studies

Type Code

1,205

Publication Type

Journal

Publication Title

MEJ. Mansoura Engineering Journal

Publication Link

https://bfemu.journals.ekb.eg/

MainTitle

Voltage Controlled-Bandwidth Electrooptic Transverse Phase Modulator with Parallel Electrodes.

Details

Type

Article

Created At

22 Jan 2023