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1篇 您的检索式:作者名="Mingti Zhou"
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1Online optimization for optical readout of a single electron spin in diamond显示文摘The nitrogen-vacancy(NV)center in diamond has been developed as a promising platform for quantum sensing,especially for magnetic field measurements in the nano-tesla range with a nano-meter resolution.Optical spin readout performance has a direct effect on the signal-to-noise ratio(SNR)of experiments.In this work,we introduce an online optimization method to customize the laser waveform for readout.Both simulations and experiments reveal that our new scheme optimizes the optically detected magnetic resonance in NV center.The SNR of optical spin readout has been witnessed a 44.1%increase in experiments.In addition,we applied the scheme to the Rabi oscillation experiment,which shows an improvement of 46.0%in contrast and a reduction of 12.1%in mean deviation compared to traditional constant laser power SNR optimization.This scheme is promising to improve sensitivities for a wide range of NV-based applications in the future.Xue Lin Jingwei Fan Runchuan Ye Mingti Zhou Yumeng Song Dawei Lu Nanyang Xu 2023Frontiers of physics2023,18,2:0
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