Terahertz Pulse Trapping Beyond The Delay-Bandwidth Limit

Nima Chamanara,Lauren Gingras,Aidan W. Schiff-Kearn,Jean-Michel Menard,David G. Cooke

2019 44TH INTERNATIONAL CONFERENCE ON INFRARED, MILLIMETER, AND TERAHERTZ WAVES (IRMMW-THZ)（2019）

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摘要

We demonstrate the trapping of a broadband THz pulse in a cavity with dynamic walls created faster than the cavity transit time. The trapping bandwidth and dwell time within the cavity, formed by patterned fs photoexcitation of reflective metallic regions within a silicon filled parallel plate waveguide, is shown to violate the delay-bandwidth limit of a passive resonator.

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关键词

terahertz pulse trapping,delay-bandwidth limit,dynamic walls,cavity transit time,trapping bandwidth,patterned fs photoexcitation,reflective metallic regions,Si

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