Compact hertz linewidth photonic terahertz oscillator using molecular spectroscopy

We have developed a compact photonic THz oscillator stabled via molecular rotational spectroscopy of gaseous nitrous oxide utilizing readily available commercial materials. At 301.442 GHz, the oscillator achieves an unparalleled fractional frequency stability of 6 \times {10^{ - 12}}/\sqrt \tau corr...

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Published in2024 49th International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz) pp. 1 - 2
Main Authors Nose, Keisuke, Greenberg, James, McGrew, William, Heffernan, Brendan M., Rolland, Antoine
Format Conference Proceeding
LanguageEnglish
Published IEEE 01.09.2024
Subjects
Nitrous oxide
Oscillators
Photonics
Spectroscopy
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Summary:We have developed a compact photonic THz oscillator stabled via molecular rotational spectroscopy of gaseous nitrous oxide utilizing readily available commercial materials. At 301.442 GHz, the oscillator achieves an unparalleled fractional frequency stability of 6 \times {10^{ - 12}}/\sqrt \tau corresponding to a few hertz linewidth. The stability remains below 1 × 10 -11 at all measured timescales longer than one second.
ISSN:2162-2035
DOI:10.1109/IRMMW-THz60956.2024.10697839