Physics

Improving the creation of SiV centers in diamond via sub-µs pulsed annealing treatment

Y. Tzeng, F. Ke, et al.

This groundbreaking study showcases a sub-µs pulsed annealing treatment that dramatically enhances the photoluminescence of silicon-vacancy centers in diamond, conducted by a team of experts including Yan-Kai Tzeng and Steven Chu. With a remarkable 2.5-fold increase in emitting centers, this research opens new avenues for efficient SiV center creation.

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Abstract

Silicon-vacancy (SiV) centers in diamond are emerging as promising quantum emitters. This paper demonstrates a sub-µs pulsed annealing treatment that significantly increases the photoluminescence of SiV centers. Using a silane-functionalized adamantane precursor and a laser-heated diamond anvil cell, the authors mapped out the temperature and energy conditions for SiV formation. Pulsed annealing minimized SiV migration, achieving a 2.5-fold increase in emitting centers using 200-ns pulses at a 50 kHz repetition rate. This study provides a novel approach to improve SiV center creation efficiency.

Publisher

Nature Communications

Published On

Aug 23, 2024

Authors

Yan-Kai Tzeng, Feng Ke, Chunjing Jia, Yayuan Liu, Sulgiye Park, Minkyung Han, Mungo Frost, Xinxin Cai, Wendy L. Mao, Rodney C. Ewing, Yi Cui, Thomas P. Devereaux, Yu Lin, Steven Chu

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