Photonics Research, Volume. 11, Issue 9, 1509(2023)
Heterogeneous optomechanical crystal cavity coupled by a wavelength-scale mechanical waveguide
Fig. 1. Schematic diagram of a piezo-optomechanical transducer with a TFLN-ChG heterogeneous OMC cavity coupled by a wavelength-scale mechanical waveguide.
Fig. 2. (a) Effects of
Fig. 3. (a) Photonic band of the TM modes corresponding to the mirror region in heterogeneous OMC around the frequency of 200 THz. (b) Phononic band of
Fig. 4. Phononic bands of guided acoustic modes corresponding to (a) the narrow
Fig. 5. Simulated results of the guided acoustic modes in the heterogeneous piezo-optomechanical transducer. (a) Excitation and propagation of the SH0 mode in the transducer. (b) Excitation of the breathing mode in heterogeneous OMC cavity coupled by a wavelength-scale mechanical waveguide. (c) Zoomed-in picture representing the conversion between the SH0 and L0 modes near the TFLN-ChG heterogeneous mechanical waveguide.
Fig. 6. Four power orthogonal bases in the heterogeneous mechanical waveguide at 1.15 GHz. The color represents the dominant displacement field component, and the black arrow represents the direction in which the particle vibrates.
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Yang Luo, Hongyi Huang, Lei Wan, Weiping Liu, Zhaohui Li, "Heterogeneous optomechanical crystal cavity coupled by a wavelength-scale mechanical waveguide," Photonics Res. 11, 1509 (2023)
Category: Integrated Optics
Received: Apr. 25, 2023
Accepted: Jun. 25, 2023
Published Online: Aug. 28, 2023
The Author Email: Lei Wan (wanlei@jnu.edu.cn), Zhaohui Li (lzhh88@sysu.edu.cn)