What question did this study set out to answer?

To investigate the room-temperature optical Stark effect and polarization-dependent spin state manipulation in solution-processable lead-halide perovskites.

August 31, 2016Nature CommunicationsOpen Access

Large polarization-dependent exciton optical Stark effect in lead iodide perovskites

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Authors

YYYe YangXiamen University MYMengjin YangChinese Academy of Sciences KZKai ZhuSouth China Agricultural University

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Implication

Spectroscopic analysis demonstrates a large polarization-dependent optical Stark effect in lead-halide perovskites, highlighting potential applications in spintronics and quantum information.

Key Points

To investigate the room-temperature optical Stark effect and polarization-dependent spin state manipulation in solution-processable lead-halide perovskites.
Irradiated solution-processable lead-halide perovskite semiconductors with below-bandgap, polarized ultrafast laser pulses.
Tracked the instantaneous energy blue-shift and spin splitting of degenerate excitonic states near the bandedge at room temperature.
Observed a large, instantaneous optical Stark effect resolvable at room temperature due to sharp excitonic features near the bandedge.
Demonstrated that a polarized pump pulse selectively shifts individual spin states to achieve excitonic spin splitting.

Cite This Study

Yang et al. (2016) studied this question.

synapsesocial.com/papers/6a9429d2235a0bf22c92e446 https://doi.org/10.1038/ncomms12613

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Implication

Spectroscopic analysis demonstrates a large polarization-dependent optical Stark effect in lead-halide perovskites, highlighting potential applications in spintronics and quantum information.

Large polarization-dependent exciton optical Stark effect in lead iodide perovskites

Discussion

Member takes

Implication

Key Points

Cite This Study

Large polarization-dependent exciton optical Stark effect in lead iodide perovskites

Discussion

Member takes

Implication

Key Points

Cite This Study

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