Research Data Leeds Repository

Citation

Bacon, David R. and Gill, Thomas and Rosamond, Mark C. and Burnett, Andrew and Dunn, Aniela and Li, Lianhe and Linfield, Edmund and Davies, A. Giles and Dean, Paul and Freeman, Joshua R. (2020) Data to Support Photoconductive Arrays on Insulating Substrates for High-Field Terahertz Generation. University of Leeds. [Dataset] https://doi.org/10.5518/779

Dataset description

The data included in this repository supports our work on the design, fabrication and characterisation of large-area photoconductive THz array structures, consisting of a thin LT-GaAs active region transferred to an insulating substrate using a wafer-scale bonding process. The electrically insulating, transparent substrate reduces the parasitic currents in the devices, allowing peak THz-fields as high as 140 kV cm-1 to be generated over a bandwidth >5 THz. These results are achieved using lower pulse energies than demanded by conventional photoconductive arrays and other popular methods of generating high-field THz radiation. Two device sizes are fully characterised and the emission properties are compared to generation by optical rectification in ZnTe. The device can be operated in an optically saturated regime in order to suppress laser noise.

Keywords:	Terahertz, spectroscopy high-field, non-linear, Array, photoconductive
Subjects:	H000 - Engineering > H600 - Electronic & electrical engineering F000 - Physical sciences > F300 - Physics > F310 - Applied physics F000 - Physical sciences > F300 - Physics > F360 - Optical physics
Divisions:	Faculty of Engineering and Physical Sciences > School of Chemistry Faculty of Engineering and Physical Sciences > School of Electronic and Electrical Engineering > Pollard Institute
Related resources:	Location Type https://doi.org/10.1364/OE.391656 Publication https://eprints.whiterose.ac.uk/160309/ Publication
License:	Creative Commons Attribution 4.0 International (CC BY 4.0)
Date deposited:	01 Jun 2020 10:57
URI:	https://archive.researchdata.leeds.ac.uk/id/eprint/682
Additional details Additional details Creators or authors: Creators ORCID Other ID Email Primary affiliation Primary affiliation ID Primary affiliation ID type Secondary affiliation Secondary affiliation ID Secondary affiliation ID type Bacon, David R. https://orcid.org/0000-0001-8385-0614 University of Leeds https://ror.org/024mrxd33 ror Gill, Thomas https://orcid.org/0000-0002-1191-6466 University of Leeds https://ror.org/024mrxd33 ror Rosamond, Mark C. University of Leeds https://ror.org/024mrxd33 ror Burnett, Andrew https://orcid.org/0000-0003-2175-1893 University of Leeds https://ror.org/024mrxd33 ror Dunn, Aniela https://orcid.org/0000-0002-7369-1469 University of Leeds https://ror.org/024mrxd33 ror Li, Lianhe https://orcid.org/0000-0003-4998-7259 University of Leeds https://ror.org/024mrxd33 ror Linfield, Edmund https://orcid.org/0000-0001-6912-0535 University of Leeds https://ror.org/024mrxd33 ror Davies, A. Giles https://orcid.org/0000-0002-1987-4846 University of Leeds https://ror.org/024mrxd33 ror Dean, Paul https://orcid.org/0000-0002-3950-4359 University of Leeds https://ror.org/024mrxd33 ror Freeman, Joshua R. https://orcid.org/0000-0002-5493-6352 University of Leeds https://ror.org/024mrxd33 ror Type of data: Dataset Research funders: EPSRC Grant numbers: EP/N509681/1, EP/P007449/1, EP/P021859/1, EP/P001394/1 Publication date: 2020 Resource language: English Metadata language: English Publisher: University of Leeds Contact email: a.d.burnett@leeds.ac.uk Last Modified: 23 Aug 2024 11:18

Files

Documentation

Readme [13kB] Readme [13kB] Readme [13kB] Security: Anyone File name: Readme.docx Content type: Documentation Description: Dataset summary Mime-Type: application/vnd.openxmlformats-officedocument.wordprocessingml.document License: Creative Commons Attribution 4.0 International (CC BY 4.0) File size: 13kB

Data

Figure4.zip [667kB] Figure4.zip [667kB] Figure4.zip [667kB] Security: Anyone File name: Figure_4.zip Content type: Data Description: These are the raw time-domain traces for Device A, B and the ZnTe crystal used to calculate THz pulse energy (black) and efficiency (red) plots as a function of optical excitation energy for device shown in Figure 4 of the paper. Mime-Type: application/zip License: Creative Commons Attribution 4.0 International (CC BY 4.0) File size: 667kB

Figure5.zip [400kB] Figure5.zip [400kB] Figure5.zip [400kB] Security: Anyone File name: Figure_5.zip Content type: Data Description: These are the raw time-domain traces for Device A and B to determine THz pulse energy and calculated optical-to-THz conversion efficiency as a function of bias field across the electrodes shown in Figure 5 of the paper. Mime-Type: application/zip License: Creative Commons Attribution 4.0 International (CC BY 4.0) File size: 400kB

Figure6.zip [61kB] Figure6.zip [61kB] Figure6.zip [61kB] Security: Anyone File name: Figure_6.zip Content type: Data Description: These are the raw time-domain traces for Device B and ZnTe crystal as shown in Figure 6 of the paper. Mime-Type: application/zip License: Creative Commons Attribution 4.0 International (CC BY 4.0) File size: 61kB

Figure7.zip [1MB] Figure7.zip [1MB] Figure7.zip [1MB] Security: Anyone File name: Figure_7.zip Content type: Data Description: These are the raw time-domain traces for device B that demonstrate the shot-shot variability of the THz field in the linear and saturated regime shown in Figure 7 of the paper. Mime-Type: application/zip License: Creative Commons Attribution 4.0 International (CC BY 4.0) File size: 1MB

Spotsize_measurement.zip [5MB] Spotsize_measurement.zip [5MB] Spotsize_measurement.zip [5MB] Security: Anyone File name: Spotsize_measurement.zip Content type: Data Description: These are the raw time-domain traces for Device A, B and the ZnTe crystal as a knife edge is scanned across the beam. These were used to determine THz spot size measurements for all three devices. Mime-Type: application/zip License: Creative Commons Attribution 4.0 International (CC BY 4.0) File size: 5MB