Quantum Physics Research Group

Dr Kessie Govender (group leader)
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Prof G. de Jager, Adjunct Professor and advisor
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Prof Gerard Orjubin
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Mr Rory Pentz, Staff member and Doctoral student
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Mr Adrian Wyngaard, Masters students

Ms Meena Patel, Masters student

Mr James Stubbs, Masters student

Mr Victory Opeolu, Masters student

Mr Mpiana Florimond, Masters student at UKZN

• Theoretical and numerical studies of Four Wave Mixing in Rubidium
• Saturated absorption and Zeeman spectroscopy of Rubidium
• Feedback control of external cavity diode lasers
• Experimental Four Wave Mixing in Rubidium Gas
• Laser cooling of Rubidium atoms
• Development of a quantum key distribution system using entangled photons
• Development of single photon detectors

1. Patel M., de Jager G., Wyngaard A., Nkosi Z. and Govender K., Computational study of nonlinear spectroscopy including saturated absorption and four wave mixing in two and multi-level atoms, Proc. Int Conf. Comp. Phys, 2016.( Accepted for publication in Journal of Physics: conference series in 2017)
2. Patel M., de Jager G., Nkosi Z. and Govender K., Non-linear optical processes and saturated absorption spectroscopy in two and multi-level atoms: a theoretical and numerical study, Annual conference South African Institute of Physics, 2016(paper to appear in the 2016 proceedings).
3. Wyngaard A., Govender K., Steenkamp C., de Jager G.,Experimental Study of the Weak Field Zeeman Spectra of Rb 85 and Rb 87, Annual conference South African Institute of Physics, 2017 (paper to appear in the 2017 proceedings)
4. Patel M., Govender K., de jager G., Florimond M.,A semi-classical and quantum mechanical analysis of Four-Wave-Mixing in an ensemble of Rubidium atoms, Annual conference South African Institute of Physics, 2017 (poster)
5. Opeolu V., Govender K., de Jager G. Nemraou O., Scarrot J.,Analysis and Performance of a closed loop external cavity diode laser control system, Annual conference South African Institute of Physics, 2017.(paper to appear in the 2017 proceedings)
6. Wyngaard A., Govender K., and Steenkamp C., Measurements of the hyperfine and weak field Zeeman spectra of Rb 85and Rb 87, Annual conference South African Institute of Physics, 2016(poster).
7. Stubbs J., Govender K., De Jager G.,The design of a cost effective high precision time measurement unit for use in a Hanbury-Brown Twiss interferometer,Annual conference South African Institute of Physics, 2016(poster).