2023
DOI: 10.1103/physreva.107.033507
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Nonreciprocal slow or fast light in anti- PT -symmetric optomechanics

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Cited by 16 publications
(3 citation statements)
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“…As a counterpart of PT symmetry, PT antisymmetry denoted by n(r) = −n * (−r) in the optical domain soon attracts equivalent attentions and has been investigated in diverse platforms, ranging from cold or warm atoms [37][38][39][40][41], magnonic systems [42,43], and electrical circuits [44] to cavity optomechanics [45], diffusive systems [46], microcavities [47][48][49], and optical fibers [50]. We note in particular that the optical PT antisymmetry requires refractive index n(r) to be an odd function in its real part while an even function in its imaginary part.…”
Section: Introductionmentioning
confidence: 99%
“…As a counterpart of PT symmetry, PT antisymmetry denoted by n(r) = −n * (−r) in the optical domain soon attracts equivalent attentions and has been investigated in diverse platforms, ranging from cold or warm atoms [37][38][39][40][41], magnonic systems [42,43], and electrical circuits [44] to cavity optomechanics [45], diffusive systems [46], microcavities [47][48][49], and optical fibers [50]. We note in particular that the optical PT antisymmetry requires refractive index n(r) to be an odd function in its real part while an even function in its imaginary part.…”
Section: Introductionmentioning
confidence: 99%
“…Our work provides new insights into EP-engineered quantum effects and can be extended to various non-Hermitian systems with e.g., anti-PT symmetry. [49][50][51][52] The rest of this paper is organized as follows. In Section 2, we describe a PT-symmetric two-qubit system with the Ising-type interaction, and study EP properties of the system.…”
Section: Introductionmentioning
confidence: 99%
“…Recently, in order to satisfy the demand of on-chip integrated information processing, the research of magnetic-free optical nonreciprocity scheme has attracted a lot of attention. As one of the most promising magnetic-free nonreciprocal schemes, optomechanically induced nonreciprocity has attracted much interest in the past decade [5][6][7], and various nonreciprocal mechanisms based on optomechanical interactions are proposed theoretically and demonstrated experimentally, such as direction-dependent optomechanical nonlinearity [8][9][10][11], microring with unidirectional pumping [12][13][14][15][16][17][18], stimulated Brillouin scattering [19][20][21], dynamically encircling an exceptional point [22][23][24], Sagnac effect in spinning resonator [25][26][27][28][29][30][31][32], and quantum interference based on synthetic magnetism [33][34][35].…”
Section: Introductionmentioning
confidence: 99%