6, 6982 (2000). Thanks to the strong light confinement, we are able to place the electrode fairly close to the cavity without introducing extra optical loss (Fig. Ozaki, J., Ogiso, Y. This is a typical signature of resonance modulation in the sideband-unresolved regime, where the cavity resonance follows adiabatically the electric driving signal in a sinusoidal fashion, resulting in a broadened average transmission spectrum (Fig. C.W., M.Z. Express 27, 1873118739 (2019). Appl. Figure5b shows a clear linear dependence of the induced resonance wavelength shift on the applied voltage, from which we obtained a tuning slope of 16.0pmV1 (corresponding to a frequency tuning slope of 1.98GHzV1), close to our design. 100G/400G LN Modulator. Article The devices exhibit a significant tuning efficiency up to 1.98 GHz V -1, a broad modulation bandwidth of 17.5 GHz, while with a tiny electro-optic modal volume of only 0.58 m 3. For example, the capacitance of our device can be significantly decreased since the majority of the metallic parts in the current devices are used for coupling the RF driving signal, which can be removed in a future on-chip integration design. This work was performed in part at the Cornell NanoScale Facility, a member of the National Nanotechnology Coordinated Infrastructure (National Science Foundation, ECCS-1542081). and JavaScript. When the modulation frequency is below 1.0GHz, The transmission spectrum remains fairly similar regardless of modulation frequency, as expected from the adiabatic driving discussed above. Opt. Chen, X. et al. Appl. Express 21, 3035030357 (2013). If you find something abusive or that does not comply with our terms or guidelines please flag it as inappropriate. Anyone you share the following link with will be able to read this content: Sorry, a shareable link is not currently available for this article. @article{Hu2023DynamicallyTS, title={Dynamically tunable single-/dual-band of the graphene absorber with a resonant asymmetric grating based on lithium niobate on insulator}, author={Jinhua Hu and Lili Sun and Lei Li and Xiuhong Liu and Danping Ren and Jijun Zhao}, journal={Optics Communications}, year={2023} }
