Experimental results for a CW-mode optically controlled microwave switch with a carrier-confinement structure

Experimental results for a CW-mode optically controlled microwave switch with a carrier-confinement structure

A new design for a CW-mode optically controlled microwave switch (CW-mode OMS) on a semiconductor coplanar waveguide (CPW) is investigated, which is based on a silicon (Si) substrate etching for both top and bottom to confine the optically generated free-carriers. We fabricate the CW-mode OMS with a...

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Hauptverfasser: Sangil Lee, Kuga, Y., Mullen, R.A.
Format: Tagungsbericht
Sprache:eng
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Coplanar waveguides
Insertion loss
Optical control
Optical design
Optical losses
Optical switches
Optical waveguides
Semiconductor waveguides
Silicon
Substrates
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Kuga, Y.
Mullen, R.A.
description A new design for a CW-mode optically controlled microwave switch (CW-mode OMS) on a semiconductor coplanar waveguide (CPW) is investigated, which is based on a silicon (Si) substrate etching for both top and bottom to confine the optically generated free-carriers. We fabricate the CW-mode OMS with and without carrier-confinement structures using a micro-fabrication technique, and the insertion loss is measured and compared. With the new carrier-confined CW-mode OMS, we are able to obtain less than 2 dB of insertion loss which is an improvement of more than 5 dB from without the carrier-confinement structure. Also, more than 20 dB of the ON/OFF difference is obtained up to 20 GHz.
doi_str_mv 10.1109/MWSYM.2002.1011902
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source IEEE Electronic Library (IEL) Conference Proceedings
subjects Coplanar waveguides
Insertion loss
Optical control
Optical design
Optical losses
Optical switches
Optical waveguides
Semiconductor waveguides
Silicon
Substrates
title Experimental results for a CW-mode optically controlled microwave switch with a carrier-confinement structure
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