研究目的
Investigating the integration of a molecular-based material presenting a Spin Crossover (SCO) effect in the silicon platform for enabling optical bistability.
研究成果
Optical bistability thermally triggered and a non-volatile switching performance at room temperature has been demonstrated by integrating a molecular-based material in a silicon photonic device. The SCO effect could offer a new approach for enabling optical bistability and non-volatile performance in silicon devices.
研究不足
Most of the SCO-based devices confront fatigue issues associated with their poor stability. The protection of the NPs with organic and inorganic compounds have been proposed to overcome this limitation.
1：Experimental Design and Method Selection:
An asymmetric Mach-Zehnder interferometer (MZI) structure on silicon-on-insulator (SOI) was utilized as a testing device to characterize the optical response of the SCO/SiO2 NPs integrated on silicon.
2：Sample Selection and Data Sources:
Core-shell SCO NPs based on the 1D coordination polymer [Fe(Htrz)
3：9(trz)(NH2trz)1](BF4)@SiO2 of 60 nm ca. were investigated. List of Experimental Equipment and Materials:
A tuneable continuous-wave (CW) laser in the telecom C-band, manual polarization controller, TE-like grating couplers, high-sensitivity photodiode, Peltier and a TEC controller.
4：Experimental Procedures and Operational Workflow:
Optical measurements were carried out with temperature variations lower to
5：1 oC after several minutes of thermal stabilization and with a wavelength step of 01 nm. Data Analysis Methods:
The resonance wavelengths were depicted as a function of the temperature to analyze the influence of the SCO/SiO2 NPs.
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