学科分类
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2 个结果
  • 简介:Quantumbeatscanbeproducedinfourth-orderinterferencesuchasinaHong–Ou–Mandel(HOM)interferometerbyusingphotonswithdifferentfrequencies.HerewepresenttheoreticallytheappearanceofinterferenceofquantumbeatswhentheHOMinterferometeriscombinedwithaFranson-typeinterferometer.Thiscombinationcanmaketheinterferenceeffectofphotonswithdifferentcolorstakeplacenotonlywithinthecoherencetimeofdownconvertedfieldsbutalsointheregionbeyondthat.Weexpectthatitcanprovideanewmethodinquantummetrology,asitcanrealizethemeasurementoftimeintervalsinthreescales.

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