Stabilization of a lasing frequency of a THz-QCL in free running for long-term phase-locking
Y Irimajiri - 2020 45th International Conference on Infrared …, 2020 - ieeexplore.ieee.org
Y Irimajiri
2020 45th International Conference on Infrared, Millimeter, and …, 2020•ieeexplore.ieee.orgWe have successfully demonstrated a continuous phase-locking of a terahertz quantum
cascade laser (THz-QCL) in~ 5 days by suppressing a slow drift of the lasing frequency in
free running from~ 150 to 5~ 10 MHz/day. The THz-QCL was covered with an enclosure to
prevent the gas adsorption. The holding time of the phase-locking is expected to be longer.
cascade laser (THz-QCL) in~ 5 days by suppressing a slow drift of the lasing frequency in
free running from~ 150 to 5~ 10 MHz/day. The THz-QCL was covered with an enclosure to
prevent the gas adsorption. The holding time of the phase-locking is expected to be longer.
We have successfully demonstrated a continuous phase-locking of a terahertz quantum cascade laser (THz-QCL) in ~5 days by suppressing a slow drift of the lasing frequency in free running from ~150 to 5~10 MHz/day. The THz-QCL was covered with an enclosure to prevent the gas adsorption. The holding time of the phase-locking is expected to be longer.
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