2:45 PM - 3:00 PM
[A-6-06] Optical-to-MMW/THz Carrier Frequency Down-Conversion by UTC-PD-Integrated HEMT: the Scaling Rule of Conversion Gain on UTC-PD Mesa Size
Presentation style: On-site (in-person)
https://doi.org/10.7567/SSDM.2022.A-6-06
We experimentally investigate the scaling rule of the conversion gain on unitraveling-carrier-photodiode (UTC-PD) mesa size of the UTC-PD-integrated HEMT for optical to millimeter-wave (MMW)/terahertz (THz) frequency down-conversion. We showed that the conversion gain monotonically increases as the mesa size is reduced, due to the suppression of the in-plane diffusion of photogenerated electrons in the absorption layer.
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