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Photonic and electronic state interactions in BaTiO3 based Optical Microcavity

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arxiv 2112.01207 v1 pith:VZSMZQSD submitted 2021-12-02 physics.optics

Photonic and electronic state interactions in BaTiO3 based Optical Microcavity

classification physics.optics
keywords photonicabsorptionopticalbatio3electronicmicrocavitymodesstate
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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The photonic modes mediated absorption dynamics at femtosecond time scales along with the control of spontaneous emission tunability are investigated all-dielectric optical microcavity having BaTiO3 (BTO) as defect layer. The cavity-enhanced transient absorption reveals the dominant excited state absorption (ESA) of both photonic and electronic modes due to strong third-order optical nonlinearity influence. Photoluminescence of BTO is found to be guided and tuned by the photonic cavity mode. Such active photonic structures can be envisaged as a potential candidate in nonlinear optics and photonic device applications.

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