The Initial Test of a Micro-Joules Trigger, Picosecond Response, Vertical GaN PCSS
IEEE Photonics Technology Letters(2023)
摘要
To meet the miniaturization of all-solid-state high-power microwave drive technology based on photoconductive semiconductor switches (PCSSs), a vertical gallium nitride (GaN) PCSS that is triggered by a micro-joules energy and picoseconds pulse width laser is presented. The device has showed low triggering optical energy and fast response. When the bias-voltage is 3 kV and optical energy is 33
$\mu \text{J}$
, the photocurrent, on-state resistance, rise-fall time and quantum efficiency of the PCSS are 4.28 A,
$650.5~\Omega $
, 412/370 ps and 0.28%, respectively. It is anticipated that GaN-based PCSS will have a practical application in future radio frequency (RF) microwave systems for military purposes.
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关键词
Photoconductive semiconductor switch (PCSS),gallium nitride (GaN),micro-joules trigger,picosecond response
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