Efficient Data Averaging for Spin Noise Spectroscopy in Semiconductors

Details Efficient Data Averaging for Spin Noise Spectroscopy in Semiconductors Efficient Data Averaging for Spin Noise Spectroscopy in Semiconductors

2010-08-09

arxiv.org/abs/1008.1474v2

Appl.Phys.Lett.97:192109,2010

Physics

Instrumentation and Detectors

Scientific paper

10.1063/1.3505342

Spin noise spectroscopy (SNS) is the perfect tool to investigate electron spin dynamics in semiconductors at thermal equilibrium. We simulate SNS measurements and show that ultrafast digitizers with low bit depth enable sensitive, high bandwidth SNS in the presence of strong optical background shot noise. The simulations reveal that optimized input load at the digitizer is crucial for efficient spin noise detection while the bit depth influences the sensitivity rather weakly.

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