Weak-value amplification in fast and slow light in a ring resonator

IF 2.2 3区 物理与天体物理 Q2 OPTICS Optics Communications Pub Date : 2024-10-18 DOI:10.1016/j.optcom.2024.131209
Keigo Nakamura , Kazuki Bando , Takahiro Matsumoto , Makoto Tomita
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Abstract

We analyzed fast and slow light in a fiber-ring resonator in a framework of weak-value measurements, obtaining the explicit form of the interaction Hamiltonian. Here, we fully utilized the advantage of the fiber-ring resonator in experiments and directly observed the time delay of the circulating pulse inside the ring, as well as the delays of the total output pulses that traversed the system under different pre- and post-selection states. The mean arrival time of the total output pulse can be expressed as the delay time of the circulating pulse amplified by a factor that reflects the weak value, thus both fast and slow light in the fiber-ring resonator system are quantitatively described using the framework of weak-value amplification.
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环形谐振器中快慢光的弱值放大
我们在弱值测量框架下分析了光纤环谐振器中的快慢光,得到了相互作用哈密顿的显式。在这里,我们在实验中充分利用了光纤环谐振器的优势,直接观测了环内循环脉冲的时间延迟,以及在不同的选择前和选择后状态下穿越系统的总输出脉冲的延迟。总输出脉冲的平均到达时间可以表示为循环脉冲的延迟时间放大了一个反映弱值的因子,因此光纤环谐振器系统中的快光和慢光都可以用弱值放大的框架来定量描述。
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来源期刊
Optics Communications
Optics Communications 物理-光学
CiteScore
5.10
自引率
8.30%
发文量
681
审稿时长
38 days
期刊介绍: Optics Communications invites original and timely contributions containing new results in various fields of optics and photonics. The journal considers theoretical and experimental research in areas ranging from the fundamental properties of light to technological applications. Topics covered include classical and quantum optics, optical physics and light-matter interactions, lasers, imaging, guided-wave optics and optical information processing. Manuscripts should offer clear evidence of novelty and significance. Papers concentrating on mathematical and computational issues, with limited connection to optics, are not suitable for publication in the Journal. Similarly, small technical advances, or papers concerned only with engineering applications or issues of materials science fall outside the journal scope.
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