Ultra-high precision comb-locked terahertz frequency-domain spectroscopy of whispering-gallery modes

被引：3
作者：
Mueller, Sebastian [1 ,3 ]
Hill, Kane [2 ]
Vogt, Dominik Walter [2 ,4 ]
Puppe, Thomas A. [1 ,4 ]
Mayzlin, Yuriy [1 ]
Wilk, Rafal [1 ]
机构：
[1] TOPT Photon AG, Lochhamer Schlag 19, D-82166 Munich, Germany
[2] Univ Auckland, Dept Phys, Auckland 1010, New Zealand
[3] Friedrich Alexander Univ, Inst Microwaves & Photon, Erlangen, Germany
[4] Te Whai Ao Dodd Walls Ctr Photon & Quantum Technol, Auckland, New Zealand
来源：
APL PHOTONICS | 2024年 / 9卷 / 07期
关键词：
SENSORS;
D O I：
10.1063/5.0217898
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We demonstrate the capabilities of a novel frequency-domain terahertz spectrometer based on a comb-locked frequency synthesizer, which provides absolute frequency calibration. The inherent stability and repeatability of the scans allow for the combination of fast data acquisition with an average time-limited signal-to-noise ratio. We demonstrate kilohertz level frequency resolution in terahertz precision spectroscopy of ultra-high quality whispering-gallery-mode resonators. Spectra covering multiple free spectral ranges (>36 GHz) with sub-20 kHz resolution are acquired in 5 s. We analyze the coupling behavior and temperature tuning of single resonances and, for the first time, observe minute red and blue shifts of different mode families. The experimental results are supported with finite element simulations.
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页数：6
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共 20 条
[1]   Endless frequency shifting of optical frequency comb lines [J].
Benkler, Erik ;
Rohde, Felix ;
Telle, Harald R. .
OPTICS EXPRESS, 2013, 21 (05) :5793-5802
[2]   Whispering gallery modes at the rim of an axisymmetric optical resonator: Analytical versus numerical description and comparison with experiment [J].
Breunig, I. ;
Sturman, B. ;
Sedlmeir, F. ;
Schwefel, H. G. L. ;
Buse, K. .
OPTICS EXPRESS, 2013, 21 (25) :30683-30692
[3]   2.75 THz tuning with a triple-DFB laser system at 1550 nm and InGaAs photomixers [J].
Deninger, Anselm J. ;
Roggenbuck, A. ;
Schindler, S. ;
Preu, S. .
JOURNAL OF INFRARED MILLIMETER AND TERAHERTZ WAVES, 2015, 36 (03) :269-277
[4]   Ultra-stable tunable THz system for 6G communication based on photonics [J].
Eichler, Taro ;
Puppe, Thomas ;
Mueller, Sebastian ;
Noack, Timo ;
Deumer, Milan ;
Nellen, Simon ;
Mayzlin, Yuriy ;
Riedmann, Nico ;
Liebermeister, Lars ;
Wilk, Rafal ;
Kohlhaas, Robert ;
Vieweg, Nico ;
Hechtfischer, Gerd ;
Keusgen, Wilhelm .
2023 53RD EUROPEAN MICROWAVE CONFERENCE, EUMC, 2023, :460-463
[5]   Whispering gallery mode sensors [J].
Foreman, Matthew R. ;
Swaim, Jon D. ;
Vollmer, Frank .
ADVANCES IN OPTICS AND PHOTONICS, 2015, 7 (02) :168-240
[6]   Detection of volatile organic compounds: From chemical gas sensors to terahertz spectroscopy [J].
Galstyan, Vardan ;
D'Arco, Annalisa ;
Di Fabrizio, Marta ;
Poli, Nicola ;
Lupi, Stefano ;
Comini, Elisabetta .
REVIEWS IN ANALYTICAL CHEMISTRY, 2021, 40 (01) :33-57
[7]   Multispectrum rotational states distribution thermometry: application to the 3ν1+ν3band of carbon dioxide [J].
Gotti, R. ;
Lamperti, M. ;
Gatti, D. ;
Wojtewicz, S. ;
Puppe, T. ;
Mayzlin, Y. ;
Alsaif, B. ;
Robinson-Tait, J. ;
Rohde, F. ;
Wilk, R. ;
Leisching, P. ;
Kaenders, W. G. ;
Laporta, P. ;
Marangoni, M. .
NEW JOURNAL OF PHYSICS, 2020, 22 (08)
[8]   Frequency comb measurements for 6G terahertz nano/microphotonics and metamaterials [J].
Kang, Guseon ;
Lee, Younggeun ;
Kim, Jaeyoon ;
Yang, Dongwook ;
Nam, Han Ku ;
Kim, Shinhyung ;
Baek, Soojeong ;
Yoon, Hyosang ;
Lee, Joohyung ;
Kim, Teun-Teun ;
Kim, Young-Jin .
NANOPHOTONICS, 2024, 13 (07) :983-1003
[9]   Aspheric lenses for terahertz imaging [J].
Lo, Yat Hei ;
Leonhardt, Rainer .
OPTICS EXPRESS, 2008, 16 (20) :15991-15998
[10]   Recent progress of continuous-wave terahertz systems for spectroscopy, non-destructive testing, and telecommunication [J].
Nellen, Simon ;
Globisch, Bjoern ;
Kohlhaas, Robert B. ;
Liebermeister, Lars ;
Schell, Martin .
TERAHERTZ, RF, MILLIMETER, AND SUBMILLIMETER-WAVE TECHNOLOGY AND APPLICATIONS XI, 2018, 10531
12