Ultrafast uni-traveling-carrier photodiodes for measurement and sensing systems

Hiroshi Ito; Tadao Nagatsuma

doi:10.1117/12.479809

1 July 2003 Ultrafast uni-traveling-carrier photodiodes for measurement and sensing systems

Hiroshi Ito, Tadao Nagatsuma

Proceedings Volume 4999, Quantum Sensing: Evolution and Revolution from Past to Future; (2003) https://doi.org/10.1117/12.479809
Event: Integrated Optoelectronics Devices, 2003, San Jose, CA, United States

Abstract

The uni-traveling-carrier photodiode (UTC-PD) is a newly developed photodiode that utilizes only electrons as the active carriers. This unique feature enables a UTC-PD to achieve excellent high-speed and high-output characteristics simultaneously. Fabricated devices exhibit a record 3-dB bandwidth of 310 GHz, a very-short electrical output pulse of less than 1 ps, high-power millimeter-wave generation at 100 GHz with an output power of over 20 mW, and a sub-millimeter-wave emission at frequencies of up to 800 GHz. The superior capabilities of the UTC-PD for generating wideband millimeter/sub-millimeter waves and very-short electrical pulse signals can innovate various measurement and sensing systems, for instance, millimeter-wave imaging or network analysis. A waveguide-output UTC-PD module with a maximum output power of over 10 mW at 100 GHz is practically important for the photonic-local system in radio telescopes.

Citation Download Citation

Hiroshi Ito and Tadao Nagatsuma "Ultrafast uni-traveling-carrier photodiodes for measurement and sensing systems", Proc. SPIE 4999, Quantum Sensing: Evolution and Revolution from Past to Future, (1 July 2003); https://doi.org/10.1117/12.479809

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