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W-band waveguide photomixer using a uni-traveling-carrier photodiode with 2-mW output

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10 Author(s)
Ueda, Akitoshi ; Nat. Astron. Obs. of Japan, Tokyo, Japan ; Noguchi, Takashi ; Iwashita, H. ; Sekimoto, Y.
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Developed a W-band (75-110 GHz) waveguide photomixer with a uni-traveling carrier photodiode, which can be driven by two 1.5-μm lasers. It generates an output power of 2.2±0.2 mW at 100 GHz with a laser power of less than 100 mW, and its relative power variation is as small as 3 dB across the entire frequency range of the W-band. A 100-GHz superconductor-insulator-superconductor receiver driven by this photomixer shows the same noise temperature around 26 K as that driven by a conventional Gunn oscillator.

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Microwave Theory and Techniques, IEEE Transactions on  (Volume:51 ,  Issue: 5 )