READ ME File For 'Thermo-optic tuning of silicon nitride microring resonators with low loss non-volatile Sb2S3 phase change material' Dataset DOI: 10.5258/SOTON/D1999 Date that the file was created: October, 2022 ------------------- GENERAL INFORMATION ------------------- ReadMe Author: Stefan-Tudor Ilie, University of Southampton [0000-0002-2571-9682] Date of data collection: 2021, 2022 Information about geographic location of data collection: University of Southampton, UK Related projects: EP/M015130/1; EP/R003076/1; EP/R513325/1; EP/N013247/1; H2020 ICT-PLASMONIAC; -------------------------- SHARING/ACCESS INFORMATION -------------------------- Licenses/restrictions placed on the data, or limitations of reuse: CC-BY license Recommended citation for the data: n/a This dataset supports the publication: AUTHORS: Stefan T. Ilie, Joaquin Faneca, Ioannis Zeimpekis, Thalía Domínguez Bucio, Katarzyna Grabska, Daniel W. Hewak, Harold M. H. Chong & Frederic Y. Gardes TITLE: Thermo‑optic tuning of silicon nitride microring resonators with low loss non‑volatile Sb2S3 phase change material JOURNAL: Scientific Reports - Springer Nature PAPER DOI IF KNOWN: 10.1038/s41598-022-21590-w Links to other publicly accessible locations of the data: n/a Links/relationships to ancillary or related data sets: n/a -------------------- DATA & FILE OVERVIEW -------------------- This dataset contains: dataset_sb2s3_to_tuning.ods - Data with regards to the figures presented in the paper ; ellipsometry measurements used in modelling ; Simulation and optical transmission measurements datasets ; Relationship between files, if important for context: n/a Additional related data collected that was not included in the current data package: n/a If data was derived from another source, list source: n/a If there are there multiple versions of the dataset, list the file updated, when and why update was made: n/a -------------------------- METHODOLOGICAL INFORMATION -------------------------- Description of methods used for collection/generation of data: Figure 2 tab - Optical transmission measurements of a photonic device by sweeping tunable laser from 1.52 um - 1.62 um in the near-IR ; - Simulation optical transmission of a photonic device using electromagnetic solver such as Lumerical Ansys ; Figure 3 tab - Optical transmission measurements of a photonic device by sweeping tunable laser from 1.52 um - 1.62 um in the near-IR with difference phase change material characteristics ; - Optical spectrum analysis and fitting of the photonic devices using OriginLab ; Figure 4 tab - Optical transmission measurements of a photonic device by sweeping tunable laser from 1.52 um - 1.62 um in the near-IR while being heated up using a Peltier PID element ; - Simulation optical transmission of a photonic device using electromagnetic solver such as Lumerical Ansys under different temperatures ; Figure 5 tab - Optical transmission measurements of a photonic device by sweeping tunable laser from 1.55 um - 1.555 um in the near-IR in conjunction with an optical amplifier at different laser powers ; Figure 6 tab - Summary of optical measurements in Figure 5 tab ; Figure 7 tab - Optical spectrum analysis and fitting of the photonic devices using OriginLab ; Ellipsometry_Data tab - Optical constants of the materials used for modelling of the photonic devices ; Methods for processing the data: - Raw data from the optical measurements was processed with an in-house software for normalisation of the data and formatting ; - Optical simulation results were exported to datasets to be further processed ; - Data fitting and analysis was applied on optical spectrums to obtain photonic devices characteristics based on well-known equations and models ; Software- or Instrument-specific information needed to interpret the data, including software and hardware version numbers: Matlab R2020A , OriginLab 2020b ; Standards and calibration information, if appropriate: n/a Environmental/experimental conditions: - Optical measurement data was extracted in a controlled environment within a laboratory in the Zepler Institute, on a setup created for standardised optical measurements. Additional optical components were used to obtain high power laser amplified spectrums using commerical erbium doped amplifiers and optical amplifiers ; Describe any quality-assurance procedures performed on the data: - Optical spectrum was measured on multiple chips and multiple times (an average of the response was taken) ; - Temperature measurements were undertaken at a stable set temperature using a Peltier PID element after 30 minutes of continous operation at the set point ; - Optical simulations were tested for convergence and optical constants used were obtained using the ellipsometry tool in the Zepler Nanofabrication Center ; People involved with sample collection, processing, analysis and/or submission: S.T.I. conceived the experiments, performed the thermo-optical tuning simulations, measured the devices, and wrote the paper. J.F. contributed to the FDTD simulations of the ring resonators, T.D.B., I.Z., and K.G. contributed to the fabrication, F.Y.G. supervised the study, All authors analyzed the results and reviewed the manuscript. -------------------------- DATA-SPECIFIC INFORMATION -------------------------- Figure2 excel tab Number of variables: 40 Number of cases/rows: 49 columns / 8695 rows Variable list, defining any abbreviations, units of measure, codes or symbols used: Wavelength (um) Waveguide RR1 RR2 RR3 RR4 RR5 RR6 RR7 RR8 Unit ; Wavelength (um) Waveguide RR1 RR2 RR3 RR4 RR5 RR6 RR7 RR8 Unit ; Difference PCM Length (um) Peak 1 Peak 2 Peak 3; Difference crys-amp (um) Difference crys-amp (nm); Difference PCM Length (um) Peak 1 Peak 2 Peak 3 Peak 4 Peak 5 Peak 6 ; PCM Length (nm) 15 nm (nm) 20 nm (nm) 23 nm (nm) 25 nm (nm); IL - insertion loss RR - ring resonator PCM Length - phase change material length Difference crys-amp - difference of crystalline state of PCM and amorphous state of PCM Missing data codes: n/a Specialized formats or other abbreviations used: n/a Figure3 excel tab Number of variables: 6 Number of cases/rows: 13 columns / 25 rows Variable list, defining any abbreviations, units of measure, codes or symbols used: L Pcm (um) FWHM (um) Resonant Wavelength (um) Q factor ER Secondary Close fit; L Pcm - length of the phase change material patch FWHM - Full width at half maximum ER - extinction ratio Missing data codes: n/a Specialized formats or other abbreviations used: n/a Figure4 excel tab Number of variables: 5 Number of cases/rows: 5 columns / 10 rows Variable list, defining any abbreviations, units of measure, codes or symbols used: Delta Temp Bare BA Bare AA Amp Crys; Temp - temperature BA - before annealing AA - after annealing Amp - Amorphous phase change material Crys - Crystalline phase change material Missing data codes: n/a Specialized formats or other abbreviations used: n/a Figure5 excel tab Number of variables: 8 Number of cases/rows: 8 columns / 3994 rows Variable list, defining any abbreviations, units of measure, codes or symbols used: Wavelength (nm) IL (dB) Wavelength (nm) IL (dB) Wavelength (nm) IL (dB) Wavelength (nm) IL (dB); IL - insertion loss Missing data codes: n/a Specialized formats or other abbreviations used: n/a Figure6 excel tab Number of variables: 2 Number of cases/rows: 2 columns / 7 rows Variable list, defining any abbreviations, units of measure, codes or symbols used: Waveguide Power (dBm) Resonant Wavelength (nm) Missing data codes: n/a Specialized formats or other abbreviations used: n/a Figure7 excel tab Number of variables: 7 Number of cases/rows: 7 columns / 7 rows Variable list, defining any abbreviations, units of measure, codes or symbols used: Delta Neff (10-5) Waveguide Power (dBm) -5.9 -3.35 -1.9 1.1 5.1 Neff - effective refractive index Missing data codes: n/a Specialized formats or other abbreviations used: n/a Ellipsometry_Data excel tab Number of variables: 12 Number of cases/rows: 18 columns / 716 rows Variable list, defining any abbreviations, units of measure, codes or symbols used: Wavelength [nm] n k Wavelength [nm] n k Wavelength [nm] n k Wavelength [nm] n k n - refractive index of material k - absorption coefficient Missing data codes: n/a Specialized formats or other abbreviations used: n/a