光子势垒中的普适隧穿时间
Universal Tunnelling Time in photonic Barriers
摘要:
利用微波辐射测量了双棱镜实验中受抑全内反射的隧穿渡越时间。我们已经发现,渡越时间是相同的数量级的相应的渡越时间测量中的一个过小的波导(倏逝模)或在光子晶格。此外,我们已经确定,在所有这样的实验中,隧穿渡越时间近似等于相应辐射频率的倒数1/f。
英文摘要:
Tunnelling transit time for a frustrated total internal reflection in a double-prism experiment was measured using microwave radiation. We have found that the transit time is of the same order of magnitude as the corresponding transit time measured either in an undersized waveguide (evanescent modes) or in a photonic lattice. Moreover we have established that in all such experiments the tunnelling transit time is approximately equal to the reciprocal 1/f of the corresponding frequency of radiation.
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