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Proceedings Paper

Theory of single- and double-sideband modulators
Author(s): Benjamin Lax; Richard S. Eng; Neville W. Harris
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Paper Abstract

The concept of two magnetically tunable electro-optic (EO) modulators is described. A single-sideband in which the E-O crystal is surrounded by a hollow square tube of ferrite is axially magnetized in a square waveguide. The other is a double sideband device in a rectangular waveguide with the E-O crystal sandwiched between two ferrite slabs oppositely magnetized transverse to the waveguide. Each is tuned by a variable magnetic field in order to match the phase velocities of the varying microwave frequency and the optical velocity of the laser beam. Perturbation theory yields tuning curves of frequency versus magnetic field over a relatively broadband.

Paper Details

Date Published: 1 June 1992
PDF: 10 pages
Proc. SPIE 1633, Laser Radar VII: Advanced Technology for Applications, (1 June 1992); doi: 10.1117/12.59233
Show Author Affiliations
Benjamin Lax, Massachusets Institute of Technology (United States)
Richard S. Eng, Lincoln Lab./MIT (United States)
Neville W. Harris, Lincoln Lab./MIT (United States)

Published in SPIE Proceedings Vol. 1633:
Laser Radar VII: Advanced Technology for Applications
Richard J. Becherer, Editor(s)

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