Terahertz Applications Inspired by Photonics

Nagatsuma, Tadao

doi:10.1109/irmmw-thz.2018.8510159

Cited by 1 publication

(2 citation statements)

References 11 publications

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“…Based on the relation of the PD size to the series resistance and junction capacitance, it was decided to design UTC-PDs in five different lengths ranging from 3 to 30 µm and at widths of 2, 3 & 5 µm resulting in areas from 6 to 150 µm 2 . The UTC-PD sizes in this work are indicated as length × width.…”

Section: A Utc-pd Designmentioning

confidence: 99%

“…I NCREASING demand for high speed data transmission [1] and emerging imaging techniques using frequencies up to the terahertz range [2] generate demand for low-cost and high efficiency millimeter wave to terahertz devices. Approaching these frequency bands using only electronic components has proven to be difficult and requires complex circuits [3].…”

Section: Introductionmentioning

confidence: 99%

See 1 more Smart Citation

Beyond 110 GHz Uni-Traveling Carrier Photodiodes on an InP-Membrane-on-Silicon Platform

Graaf

Zhao

Konstantinou

et al. 2022

IEEE J. Select. Topics Quantum Electron.

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In this work we have demonstrated a waveguide integrated uni-traveling carrier photodiode on an InP-membraneon-silicon platform with 3 dB bandwidth beyond 110 GHz. With design optimization and an improved process, devices as small as 3 × 2 µm 2 are successfully realized. An electrical equivalent circuit model based on measured S-parameters revealed ultrasmall series resistance and junction capacitance as low as 6.5 Ω and 4.4 fF, respectively, in the diodes. The model also provided insight in the photocurrent dependent characteristics in the bandwidth and resonsivity of the devices. Finally, data transmission measurements are demonstrated, showcasing the high speed telecommunication abilities of the UTC-PD.

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Section: A Utc-pd Designmentioning

confidence: 99%