无腔光机械系统中的耗散耦合、色散耦合及其组合
Dissipative coupling, dispersive coupling and their combination in the cavity-less opto-mechanical systems
AI总结:
该研究在无腔光机械系统中对比耗散与色散耦合,探究其组合形式,发现组合耦合单泵浦下仍有稳定光刚度,且变分测量适用于该组合。
摘要:
将变分测量方法应用于无腔耗散耦合(此时测试质量位移会改变单镜面的透射率),并将所得结果与无腔色散耦合(此时位移后的单镜面质量会改变反射波的相位)进行对比,针对 ponderomotive 压缩对这些耦合类型展开比较。此外,还探究了耗散与色散耦合组合的无腔变体,明确该组合耦合即便在单泵浦情况下也能产生稳定的光刚度,最终证实变分测量可应用于组合耦合。
英文摘要:
The approach of variational measurement is applied to the cavity-less dissipative coupling (when test mass displacement is changing transmittance of a single mirror). The result obtained is compared to the cavity-less dispersive coupling (when the mass of displaced single mirror is changing the phase in reflected wave). These types of coupling are compared for ponderomotive squeezing. In addition, the cavity-less variant of combined dissipative and dispersive coupling is explored. It is established that combined coupling results in a stable optical rigidity even in case of a single pump. Finally, it is confirmed that variational measurement can be applied to combined coupling.
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