High Q-factor controllable phononic modes in hybrid phononic–dielectric structures

• Main Authors: Qiang, Bo, Dubrovkin, Alexander M., Krishnamoorthy, Harish N. S., Wang, Qian, Soci, Cesare, Zhang, Ying, Teng, Jinghua, Wang, Qi Jie
• Other Authors: School of Materials Science and Engineering
• Format: Article
• Language: English
• Published: 2021
• Subjects: Engineering::Electrical and electronic engineering::Optics, optoelectronics, photonics; Hybrid Resonance; High Q-factor
• Online Access: https://hdl.handle.net/10356/147698
• Institution: Nanyang Technological University

Phonon polariton resonances in the mid-infrared spectral range demonstrate properties superior to noble metal-based plasmonics, owing to smaller dissipative loss and better field confinement. However, a conventional way to excite the localized phonon resonance involves ion etching, which reduces the...