SnSe-Coated Microfiber Resonator for All-Optical Modulation.

SnSe-Coated Microfiber Resonator for All-Optical Modulation.
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用于全光调制的SNSE涂层超细纤维谐振器。

DOI:
10.3390/nano12040694
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发表时间:
2022-02-19
期刊:
Nanomaterials (Basel, Switzerland)
影响因子:
--
通讯作者:
Lu H
Lu H
中科院分区:
其他
文献类型:
--
作者:
Chen L;Ming J;Zhang Z;Shang J;Yu L;Guan H;Zhang W;Xu Z;Qiu W;Chen Z;Lu H

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在本研究中,我们首次提出一种以单硒化锡(SnSe)为基底的全光调变器,具有调谐效率高、频宽宽、响应时间快等优点。在MgF 2基片上制备了SnSe纳米片,并利用激光改变其透射光谱。分别采用液相剥离法和热焰拉锥法制备了SnSe纳米片和超细纤维。由于SnSe纳米片的强吸收和增强的光-物质相互作用,最大透射功率可调谐性约为0.29 dB/mW,响应时间小于2 ms。宽调谐带宽由四个从紫外到近红外的外部泵浦光证实。该结构在全光调谐和光纤传感领域具有广阔的应用前景。
In this study, a tin monoselenide (SnSe)-based all-optical modulator is firstly demonstrated with high tuning efficiency, broad bandwidth, and fast response time. The SnSe nanoplates are deposited in the microfiber knot resonator (MKR) on MgF2 substrate and change its transmission spectra by the external laser irradiation. The SnSe nanoplates and the microfiber are fabricated using the liquid-phase exfoliation method and the heat-flame taper-drawing method, respectively. Due to the strong absorption and enhanced light–matter interaction of the SnSe nanoplates, the largest transmitted power tunability is approximately 0.29 dB/mW with the response time of less than 2 ms. The broad tuning bandwidth is confirmed by four external pump lights ranging from ultraviolet to near-infrared. The proposed SnSe-coated microfiber resonator holds promising potential for wide application in the fields of all-optical tuning and fiber sensors.
石墨烯辅助夹层结构的全光可调谐微纤维结谐振器
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影响因子: 3.8
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