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Flexible terahertz opto-electronic frequency comb light source tunable over 3.5 THz
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DOI：10.1364/OL.434974.png)
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Abstract
En 中文
We demonstrate a terahertz (THz) frequency comb that is flexible in terms of its frequency range and the number and spacing of comb lines. We use a combination of near-infrared laser diodes, phase modulation, and optoelectronic frequency conversion. The THz comb lines are characterized to be <10 MHz by resolving the pressuredependent collisional broadening of an ammonia molecule rotational mode. Published by The Optical Society under the terms of the Creative Commons Attribution 4.0 License.
Keywords:
HIGH-RESOLUTION
SPECTROSCOPY
TECHNOLOGY
PHASE