Triple-Resonant Brillouin Light Scattering in Magneto-Optical Cavities

被引：236

作者：

Haigh, J. A. ^{[1
]}

Nunnenkamp, A. ^{[2
]}

Ramsay, A. J. ^{[1
]}

Ferguson, A. J. ^{[2
]}

机构：

[1] Hitachi Cambridge Lab, Cambridge CB3 0HE, England

[2] Univ Cambridge, Cavendish Lab, Cambridge CB3 0HE, England

来源：

PHYSICAL REVIEW LETTERS | 2016年 / 117卷 / 13期

基金：

欧洲研究理事会; 英国工程与自然科学研究理事会;

关键词：

WHISPERING-GALLERY MODES; MICROSPHERE RESONATORS; PHOTONIC CRYSTAL; SPIN-WAVES; CONVERSION; NANOCAVITY; MICROWAVE; CIRCUITS; FILMS;

D O I：

10.1103/PhysRevLett.117.133602

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

An enhancement in Brillouin light scattering of optical photons with magnons is demonstrated in magneto-optical whispering gallery mode resonators tuned to a triple-resonance point. This occurs when both the input and output optical modes are resonant with those of the whispering gallery resonator, with a separation given by the ferromagnetic resonance frequency. The identification and excitation of specific optical modes allows us to gain a clear understanding of the mode-matching conditions. A selection rule due to wave vector matching leads to an intrinsic single-sideband excitation. Strong suppression of one sideband is essential for one-to-one frequency mapping in coherent optical-to-microwave conversion.

引用

页数：6

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