Color-tunable periodic spatial emission of alloyed CdS 1-x Se x / Sn: CdS 1-x Se x superlattice microwires
Color-tunable periodic spatial emission of alloyed CdS 1-x Se x / Sn: CdS 1-x Se x superlattice microwires
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DOI：
10.1364/ome.1.001185
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发表时间：
2011-11
影响因子：
2.8
通讯作者：
G. Dai;Ruibin Liu;Qiang Wan;Q. Zhang;A. Pan;B. Zou
中科院分区：
文献类型：
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作者：
G. Dai;Ruibin Liu;Qiang Wan;Q. Zhang;A. Pan;B. Zou
半导体超晶格微/纳米线可以极大地增加调制电子或激子和光子输运以及相关光学性质的通用性和功率。本文报道了基于微环境控制共蒸发技术合成CdS_（1-x）Sex/Sn：CdS_（1-x）Sex合金半导体超晶格微丝。通过控制组分x从0到0.4，合金化SM可以产生波长从513 nm到596 nm的颜色可调谐的多模发射。此外，超晶格中的合金段形成许多排队的光学微腔，这可以导致耦合光学腔，其限制激子和光子，产生多个腔发射模式。这种结构可用于颜色可调的非线性光学器件，研究光与物质的相互作用。
Semiconductor superlattice micro-/nanowires could greatly increase the versatility and power of modulating electronic or excitonic, and photonic transport, and related optical properties. In this paper we report the synthesis of alloyed semiconductor superlattice microwires (SMs) of CdS1-xSex/Sn: CdS1-xSex based on the mciro-environmental controlled co-evaporation technique. The alloyed SMs can produce color-tunable multimode emission with wavelength from 513 nm to 596 nm by controlling the composition x from 0 to 0.4. In addition, the alloyed segments in the superlattices form many optical microcavities in queue which can lead to the coupled optical cavities which confine both excitons and photons, producing multiple cavity emission modes. This structure may be used in color-tunable nonlinear optical devices, and study light-matter interaction.