Ultrafast control of vortex microlasers | Zendy

Can Huang | Zendy; Chen Zhang | Zendy; Shumin Xiao | Zendy; Yuhan Wang | Zendy; Yubin Fan | Zendy; Yilin Liu | Zendy; Nan Zhang | Zendy; Geyang Qu | Zendy; Hongjun Ji | Zendy; Jiecai Han | Zendy; Li Ge | Zendy; Yuri S. Kivshar | Zendy; Qinghai Song | Zendy

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Ultrafast control of vortex microlasers

Author(s) -

Can Huang,

Chen Zhang,

Shumin Xiao,

Yuhan Wang,

Yubin Fan,

Yilin Liu,

Nan Zhang,

Geyang Qu,

Hongjun Ji,

Jiecai Han,

Li Ge,

Yuri S. Kivshar,

Qinghai Song

Publication year - 2020

Publication title -

science

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 12.556

H-Index - 1186

eISSN - 1095-9203

pISSN - 0036-8075

DOI - 10.1126/science.aba4597

Subject(s) - lasing threshold , ultrashort pulse , nanophotonics , picosecond , vortex , optical switch , physics , optoelectronics , optics , laser , materials science , thermodynamics

Ultrafast vortex microlasers For applications in ultrafast communication, all-optical switches will require low energy consumption, high speed, a strong modulation ratio, a small footprint, and on-chip integration. Although the small footprint and on-chip integration are accessible, the trade-off between low energy consumption and high speed has been challenging. Huanget al. exploited the idea of bound states in the continuum, effectively a high–quality (Q ) cavity without the physical cavity, to design vortex lasers with highly directional output and single-mode operation. With the trade-off between low energy consumption and high speed now broken, it should be possible to realize ultrafast optical switching that meets all the requirements of modern classic and quantum information.Science , this issue p.1018

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