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PhD Opportunity in Single Photon Detectors: developing high-sensitivity optical detector for single-photon counting

Department of Electronic & Electrical Engineering

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Prof J Shien Ng , Prof Chee Hing Tan Applications accepted all year round Funded PhD Project (Students Worldwide)

About the Project

Would you like to develop novel devices for real-world applications?

We are looking for candidates for our PhD student position to start between now and Sept 2021!


Our avalanche photodiode research group is led by two academics, Prof Jo Shien Ng and Prof Chee Hing Tan. There are currently 15 PhD students or post-doctoral researchers in the group, developing high-sensitivity semiconductor optical detectors for applications such as

●     Optical communication systems

●     Quantum technologies (quantum key distribution)

●     Remote detection of greenhouse gases

●     High-accuracy, non-contact temperature measurements

●     Thermal imaging in darkness AND through dust/smoke/fog


We have been awarded funding for a multi-partner 5-year EPSRC Programme Grant, “Single Photons - Expanding the Spectrum” to develop high-sensitivity optical detector for single-photon counting. We aim to significantly expanding the operational region of single-photon detectors well beyond the current limits into short- and mid-wave infrared regions.


We are seeking a motivated PhD student to join the team of academics and post-doctoral researcher at Sheffield for this project. Working as part of the team, the typical tasks for the PhD student include wafer design of III-V semiconductor optical detector (using in-house and commercial device simulation programs); device fabrication; measurements of key performance characteristics for the fabricated optical detector; collaborating with other researchers on the same project at other partner organisations as well as other researchers in the Sheffield research group.



·      Full funding (tuition fee and tax-free stipends) for UK students.

·      Tuition fees for international students.

Entry requirements

  1. A 1st or 2:1 class honours undergraduate degree OR MSc degree (with Distinction/Merit) in Electronic Engineering or Physics.
  2. Experience or strong interest in semiconductor-related simulation/device fabrication/measurements is desirable.



Please contact Prof Jo Shien Ng () or Prof Chee Hing Tan () for informal enquiries. 

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