A molecular spin-crossover film allows for wavelength tuning of the resonance of a Fabry-Perot cavity

We harness the remarkable refractive index switching (0.04 < Δ n ( λ ) < 0.2) between the low-spin and high-spin states of the molecular spin-crossover (SCO) complex [Fe(HB(1,2,4-triazol-1-yl) 3 ) 2 ] to realize a wavelength-tunable Ag/SCO/Ag multilayer Fabry-Perot cavity. This tuneability is...

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Bibliographic Details
Published in:Journal of materials chemistry. C, Materials for optical and electronic devices Materials for optical and electronic devices, 2020-06, Vol.8 (24), p.87-811
Main Authors: Zhang, Yuteng, Ridier, Karl, Shalabaeva, Victoria, Séguy, Isabelle, Pelloquin, Sylvain, Camon, Henri, Calvez, Stéphane, Routaboul, Lucie, Salmon, Lionel, Molnár, Gábor, Bousseksou, Azzedine
Format: Article
Language:English
Subjects:
Crossovers
Engineering Sciences
Fabry-Perot interferometers
Materials
Micro and nanotechnologies
Microelectronics
Multilayers
Optics
Photonic
Physics
Refractivity
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Summary:We harness the remarkable refractive index switching (0.04 < Δ n ( λ ) < 0.2) between the low-spin and high-spin states of the molecular spin-crossover (SCO) complex [Fe(HB(1,2,4-triazol-1-yl) 3 ) 2 ] to realize a wavelength-tunable Ag/SCO/Ag multilayer Fabry-Perot cavity. This tuneability is coupled with low absorption losses ( k ≤ 10 −4 ) between 350 and 1000 nm providing scope for reconfigurable and self-adaptive photonics applications in the visible spectral region. A wavelength-tunable optical cavity was constructed using spin crossover molecules.
ISSN:2050-7526
2050-7534
DOI:10.1039/d0tc02094j