Transient response of planar integrated optoelectronic antennas

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Applied Physics Letters, ISSN: 0003-6951, Vol: 50, Issue: 17, Page: 1155-1157

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Alfred P. DeFonzo; Madhuri Jarwala; Charles Lutz
AIP Publishing
Physics and Astronomy
article description
Broadband tapered slot antennas monolithically integrated on ion damaged silicon-on-sapphire substrates are driven by picosecond photoconductivity to generate and detect millimeter waves. The time-dependent electromagnetic impulse response of these transceivers is modeled by relating the antenna structure and the shape of the exciting pulse. The far-field response is observed to consist of a traveling-wave component and a standing-wave component, which is also predicted by the model.