绝热调谐超高Q纳米腔中囚禁光的动态释放
Dynamic release of trapped light from an ultrahigh-Q nanocavity via adiabatic frequency tuning
摘要：
通过动态调谐超高Q值光子晶体纳米腔实现了绝热频移。通过解析输出的时间和光谱，我们表明，在腔中的光的频率遵循腔共振移位，并在整个过程中保持在一个单一的模式。这明确地证实了频率偏移是由绝热调谐引起的。我们已经采用这个过程来实现从超高Q腔中动态释放被捕获的光，从而产生短脉冲。这种方法提供了一种动态调整Q的简单方法。
英文摘要：
Adiabatic frequency shifting is demonstrated by tuning an ultrahigh-Q photonic crystal nanocavity dynamically. By resolving the output temporally and spectrally, we showed that the frequency of the light in the cavity follows the cavity resonance shift and remains in a single mode throughout the process. This confirmed unambiguously that the frequency shift results from the adiabatic tuning. We have employed this process to achieve the dynamic release of a trapped light from an ultrahigh-Q cavity and thus generate a short pulse. This approach provides a simple way of tuning Q dynamically.
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