Dataset icon

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

Actions


Access Document


Files:

Authors/Creators


More by this author/creator
Institution:
University of Oxford
Division:
MPLS
Department:
Physics
Sub department:
Condensed Matter Physics
Role:
Principal Investigator (PI), Creator
More by this author/creator
Institution:
University of Oxford
Division:
MPLS
Department:
Physics
Sub department:
Condensed Matter Physics
Role:
Researcher, Creator
More by this author/creator
Institution:
University of Oxford
Division:
MPLS
Department:
Physics
Sub department:
Condensed Matter Physics
Role:
Researcher, Creator
More by this author/creator
Institution:
University of Oxford
Division:
MPLS
Department:
Physics
Sub department:
Condensed Matter Physics
Role:
Researcher, Creator
More by this author/creator
Institution:
Hitachi Cambridge Laboratory
Role:
Researcher, Creator


Publisher:
University of Oxford
Publication date:
2017
Version number:
2
DOI:


Language:
English
Subjects:
Pubs id:
1480350
UUID:
uuid:a04def70-93f3-448c-999d-67de984ee9e2
Local pid:
pubs:1480350
Deposit date:
2017-08-31

Terms of use



Views and Downloads






If you are the owner of this record, you can report an update to it here: Report update to this record

TO TOP