Polymer-based electro-optic modulator with microwave shield for high-speed applications

Palle Geltzer Dinesen; Joern Hedegaard Povlsen

doi:10.1117/12.275592

6 June 1997 Polymer-based electro-optic modulator with microwave shield for high-speed applications

Palle Geltzer Dinesen, Joern Hedegaard Povlsen

Proceedings Volume 2994, Physics and Simulation of Optoelectronic Devices V; (1997) https://doi.org/10.1117/12.275592
Event: Photonics West '97, 1997, San Jose, CA, United States

Abstract

The use of a shielded microstrip-configuration for polymer- based electro-optic modulators has the advantage over an open microstrip geometry that the modulator is pacified with respect to environmental conditions. We investigate such a shielded modulator numerically. Employing the Laplace equation the quasi-TEM field distribution is calculated and by employing Wheeler's incremental rule we determine the conductor loss due to the skin effect. We demonstrate that the use of a shield in combination with a buffer layer with a low dielectric constant yields the modulator insensitive to geometrical variations. For a modulator with a wide driving electrode the maximum bandwidth may be as high as 90 GHz.

Citation Download Citation

Palle Geltzer Dinesen and Joern Hedegaard Povlsen "Polymer-based electro-optic modulator with microwave shield for high-speed applications", Proc. SPIE 2994, Physics and Simulation of Optoelectronic Devices V, (6 June 1997); https://doi.org/10.1117/12.275592

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