Dataset
Dataset: Optical fabrication and characterisation of SU-8 disk photonic waveguide heterostructure cavities - version 2
- Documentation:
-
These data all relate to GaAs photonic crystal waveguides with SU-8 photoresist disks patterened on top them to create cavities. The waveguides contain high-density embedded InGaAs quantum dots which couple to the cavity modes.
The folder fig2 contains data from an FDTD simulation measuring cavity Q factor and mode volume against disk diameter.
The folder fig3 contains micro-photoluminescence (uPL) spectra of the waveguides taken before and after cavity fabrication. See fig3/readme.txt for more information.
The folder fig4 contains the Q factor, disk thickness, and disk diameter data for all the devices studied.
The folder fig5 contains a scanning electron microscope image and associated 2D uPL map of one of the cavities.
More information and details of file formats is contained in the following files:
readme.txt
asc_file_format.txt
fig2/readme.txt
fig3/readme.txt
Note that those .txt files use unix-style line endings (LF), not Windows-style ones (CRLF). They may not display correctly in Notepad. The difficulty of achieving reliable spectral and spatial overlap is a serious problem when fabricating photonic crystal (PhC) cavities around self-assembled quantum dots. We present a method for using photoresist to optically fabricate heterostructure cavities in a PhC waveguide with a combined photolithography and micro-photoluminescence spectroscopy system. We confirm the creation of cavity modes with high quality factors (mean = 3.8*10^3, maximum = 7.4(2)*10^3). This method offers a promising route towards bright, on-chip single photon sources for quantum information applications.
- Version:
- 2
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Authors/Creators
+ Engineering and Physical Sciences Research Council
More from this funder
- Funder identifier:
- https://ror.org/0439y7842
- Grant:
- EP/K014978/1
- Publisher:
- University of Oxford
- Publication date:
- 2017
- Version number:
- 2
- DOI:
- Language:
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English
- Subjects:
- Pubs id:
-
1480350
- UUID:
-
uuid:a04def70-93f3-448c-999d-67de984ee9e2
- Local pid:
-
pubs:1480350
- Deposit date:
-
2017-08-31
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