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Conferences > CLEO_QELS > 2017 > FF2F > FF2F.6

Trion Valley Coherence in Transition Metal Dichalcogenides

Kai Hao, Lixiang Xu, Fengcheng Wu, Philipp Nagler, Kha Tran, Xin Ma, Christian Schüller, Tobias Korn, Allan H. MacDonald, Galan Moody, and Xiaoqin Li

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Abstract

We use two-dimensional Fourier transform spectroscopy to measure coherence between the trions in the opposite valleys in monolayer MoSe2. The trion valley coherence time ~230fs is limited by pure dephasing of the trion resonance.

© 2017 Optical Society of America

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