US 12,085,629 B2
Nonlinear and smart metamaterials useful to change resonance frequencies
Xin Zhang, Medford, MA (US); Stephan Anderson, Cambridge, MA (US); Xiaoguang Zhao, Charlestown, MA (US); and Guangwu Duan, Cupertino, CA (US)
Assigned to Trustees of Boston University, Boston, MA (US)
Filed by Trustees of Boston University, Boston, MA (US)
Filed on Dec. 8, 2021, as Appl. No. 17/545,538.
Application 17/545,538 is a continuation of application No. 17/065,812, filed on Oct. 8, 2020, granted, now 11,219,384.
Claims priority of provisional application 62/912,369, filed on Oct. 8, 2019.
Prior Publication US 2022/0095944 A1, Mar. 31, 2022
Int. Cl. G01R 33/3415 (2006.01); G01R 33/12 (2006.01); G01R 33/34 (2006.01)
CPC G01R 33/3415 (2013.01) [G01R 33/12 (2013.01); G01R 33/34038 (2013.01)] 10 Claims
OG exemplary drawing
 
1. A circuit comprising:
a first resonator having a characteristic resonant frequency; and
a non-linear resonator controllably configurable into a first resonance state in which the non-linear resonator has a first resonant frequency equal to the characteristic resonant frequency, and a second resonance state in which the non-linear resonator has a second resonant frequency distinct from the first resonant frequency;
wherein the first resonator and the non-linear resonator are substantially isolated from one another in the isolation mode when the non-linear resonator is configured in the second resonance state.