Dissipative Loss in Resonant Metamaterials

Rigorous numerical study of strong microwave photon-magnon coupling in all-dielectric magnetic multilayers

“…Most significantly, such non-metallic metamaterials can outperform their metal-based counterparts because they will be intrinsically low-loss [9,37,38]. In addition, the absence of metallic components may help to resolve electromagnetic compatibility problems often encountered in non-metal structures [22]. Finally, the all-dielectric design holds the potential to be frequency scalable, i.e.…”

“…Recently, the functionality of devices comprising magneto-insulating materials has been extended and now it also includes spin wave-based and magnonic microwave devices [2][3][4], magnetically tunable microwave metamaterials [5][6][7][8][9][10][11][12][13][14][15][16][17][18][19][20][21][22] and microwave quantum systems [23][24][25][26][27][28]. It is worth stressing the practical importance of microwave quantum systems.…”

Acoustically induced transparency using Fano resonant periodic arrays

“…Their initial theoretical investigations have almost immediately been followed by their experimental realization. [2][3][4][5][6][7] Soon after, focus has been extended to the study of acoustic and elastodynamic wave propagation in periodic media 8,9 followed by the design and engineering of phononic band gap materials. [10][11][12][13][14][15][16][17][18][19] Many intriguing phenomena have been put forward including negative effective mass density 20,21 (observed when the acceleration becomes out of phase with the dynamic pressure gradient), negative bulk modulus 22 (observed when the volume variation is out of phase with the dynamic pressure), and negative acoustic refractive index [23][24][25][26] (observed when both mass density and bulk modulus are negative).…”