Experimental results for a CW‐mode optically controlled microwave switch on a silicon‐based coplanar waveguide | Zendy

Lee Sangil | Zendy; Kuga Yasuo | Zendy; Mullen Ruth Ann | Zendy

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Experimental results for a CW‐mode optically controlled microwave switch on a silicon‐based coplanar waveguide

Author(s) -

Lee Sangil,

Kuga Yasuo,

Mullen Ruth Ann

Publication year - 2003

Publication title -

microwave and optical technology letters

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.304

H-Index - 76

eISSN - 1098-2760

pISSN - 0895-2477

DOI - 10.1002/mop.10737

Subject(s) - insertion loss , microwave , coplanar waveguide , materials science , optoelectronics , waveguide , silicon , etching (microfabrication) , substrate (aquarium) , optics , nanotechnology , telecommunications , engineering , physics , oceanography , layer (electronics) , geology

A CW‐mode optically controlled microwave switch (CW‐mode OMS) on a coplanar waveguide (CPW) for both a standard and a new design with carrier‐confinement structure is investigated. We experimentally show that it may not be possible to obtain less than 7 dB of insertion loss with the standard OMS, and the carrier diffusion limits the improvement of insertion loss in CW‐mode operation. We present a new design with a carrier‐confinement structure with silicon (Si) substrate etching to confine the optically generated free‐carriers. Less than 2 dB of insertion loss is obtained with the new carrier‐confined OMS. © 2003 Wiley Periodicals, Inc. Microwave Opt Technol Lett 36: 257–262, 2003; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/mop.10737

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