READ ME File For 'Dataset for article: 'Backscattering in antiresonant hollow-core fibers: over 40 dB lower than in standard optical fibers'' Dataset DOI: 10.5258/SOTON/D1693 ReadMe Author: Radan Slavik, University of Southampton & Vincent Michaud-Belleau, Universite Laval This dataset supports the publication: V. MICHAUD-BELLEAU, E.R. NUMKAM FOKOUA, T.D. BRADLEY, J.R. HAYES,Y. CHEN, F. POLETTI, D.J. RICHARDSON, J. GENEST, AND R. SLAVIK Backscattering in antiresonant hollow-core fibers: over 40 dB lower than in standard optical fibers, OPITCA 2021 Uploaded Archive (ZIP) includes 21 data files that are purely numerical (.txt) The figures are as follows: Fig 2a_1 (standard SMF, blue curve) Distance in fiber [m] Reflectance density [dB/m] Fig 2a_2 (hollow-core NANF, orange curve) Distance in fiber [m] Reflectance density [dB/m] Fig 2a_3 (hollow-core NANF without peaks, yellow curve) Distance in fiber [m] Reflectance density [dB/m] Fig3a_1 (148 GHz/s, blue curve) Distance in fiber [m] Reflectance density [dB/m] Fig3a_2 (184 GHz/s, orange curve) Distance in fiber [m] Reflectance density [dB/m] Fig3b (T25 blue, T5 orange, T1 yellow) Distance in fiber [m] Reflectance density [dB/m] Reflectance density [dB/m] Reflectance density [dB/m] Fig3c_1 (forward, blue curve) Distance in fiber [m] Reflectance density [dB/m] Fig3c_2 (backward, flipped, orange curve) Distance in fiber [m] Reflectance density [dB/m] FigS2a (main curve, blue) Wavelength [nm] Attenuation [dB/km] FigS2b (main curve, blue) Wavelength [nm] Total loss [dB] FigS3a_1 (IQ signal, blue curve) I power [W] Q power [W] FigS3a_2 (elliptical fit, dashed orange curve) I power [W] Q power [W] FigS3b (main curve, blue) Time [s] Frequency [Hz] FigS3c_1 (instantaneous chirp rate before correction, blue curve) Time [s] Chirp rate [Hz/s] FigS3c_2 (instantaneous chirp rate after correction, orange curve) Time [s] Chirp rate [Hz/s] FigS3d (before correction blue curve, after correction orange curve, window dotted black curve) Time [s] Reflectance density [dB/m] Reflectance density [dB/m] Reflectance density [dB/m] FigS4a_1 (measured FN PSD, blue curve) Frequency [Hz] Power spectral density [Hz^2/Hz] FigS4a_2 (expected FN PSD without synthesizer noise, dotted black curve) Frequency [Hz] Power spectral density [Hz^2/Hz] FigS4b (main curve, blue) Distance in fiber [m] Reflectance density [dB/m] FigS4c (main curve, blue) Distance in fiber [m] Reflectance density [dB/m] FigS4d (main curve, blue) Distance in fiber [m] Reflectance density [dB/m] Date of data collection: 1/5/2020-1/11/2020 Information about geographic location of data collection: University of Southampton, U.K. and Universite Laval, Quebec City, Canada Licence: reative Commons Attribution. Related projects: Airguide (EPSRC), RAEng Senior Research Fellowship, Lightpipe (EU H2020), Natural Sciences and Engineering Research Council of Canada, Fonds de recherche du Québec – Nature et technologies Date that the file was created: 2 Jan, 2020