Active tuning of high-Q dielectric metasurfaces
- Australian National Univ., Canberra, ACT (Australia)
- Sandia National Lab. (SNL-NM), Albuquerque, NM (United States)
Here, we demonstrate the active tuning of all-dielectric metasurfaces exhibiting high-quality factor (high-Q) resonances. The active control is provided by embedding the asymmetric silicon meta-atoms with liquid crystals, which allows the relative index of refraction to be controlled through heating. It is found that high quality factor resonances (Q = 270 ± 30) can be tuned over more than three resonance widths. Our results demonstrate the feasibility of using all-dielectric metasurfaces to construct tunable narrow-band filters.
- Research Organization:
- Sandia National Laboratories (SNL-NM), Albuquerque, NM (United States)
- Sponsoring Organization:
- USDOE National Nuclear Security Administration (NNSA)
- Grant/Contract Number:
- AC04-94AL85000
- OSTI ID:
- 1399562
- Alternate ID(s):
- OSTI ID: 1373621
- Report Number(s):
- SAND--2017-8271J; 655940
- Journal Information:
- Applied Physics Letters, Journal Name: Applied Physics Letters Journal Issue: 5 Vol. 111; ISSN 0003-6951
- Publisher:
- American Institute of Physics (AIP)Copyright Statement
- Country of Publication:
- United States
- Language:
- English
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