Journal
ELECTRONICS LETTERS
Volume 54, Issue 11, Pages 705-U33Publisher
INST ENGINEERING TECHNOLOGY-IET
DOI: 10.1049/el.2018.0932
Keywords
rectangular waveguides; microwave photonics; photodiodes; optical fabrication; optical waveguides; optical couplers; integrated optics; integrated optoelectronics; terahertz wave generation; WR-1; 5 rectangular waveguide; UTC-PD chip; hollow-waveguide-output uni-travelling-carrier photodiode module; photodiode-to-waveguide coupler; UTC-PD module; rectangular-waveguide output; metallic package; monolithically integrated coupler; noise figure 3; 0 dB; bandwidth 400; 0 GHz to 900; 0 GHz; bandwidth 340; 0 GHz
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Funding
- Ministry of Education, Science, Sports and Culture [16H04350]
- Japan Science and Technology Agency (JST)
- Grants-in-Aid for Scientific Research [16H04350] Funding Source: KAKEN
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A hollow-waveguide-output uni-travelling-carrier photodiode (UTC-PD) module operating at frequencies from 400 to 900 GHz has been developed. The module consists of a UTC-PD, a photodiode-to-waveguide coupler, and a metallic package with a waveguide rectangular (WR)-1.5 rectangular waveguide. The coupler is monolithically integrated with the UTC-PD chip. The fabricated module exhibits the output power as high as -19 dBm at 500 GHz and the 3 dB bandwidth of 340 GHz, which is the widest among ever-reported photodiode modules.
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