Directional amplifier in an optomechanical system with optical gain

Jiang, Cheng; Song, Lijun; Li, Yong

doi:10.1103/physreva.97.053812

Cited by 54 publications

(40 citation statements)

References 70 publications

(102 reference statements)

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“…4, we plot the transmission rates T L→R = |t| 2 and T R→L = |t ′ | 2 when the incident photons are from the left and right sides as a function of the frequency of incident photons for different phase φ [the expressions of t and t ′ are given in Eqs. (9) and (19) respectively]. It shows that T L→R can be either larger or smaller than T R→L , depending on the frequency of the incident photons and the phase.…”

Section: Controllable Nonreciprocal Transmission With Two Differementioning

confidence: 99%

Phase-controlled single-photon nonreciprocal transmission in a one-dimensional waveguide

Wang

et al. 2019

Phys. Rev. A

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We study the controllable single-photon scattering via a one-dimensional waveguide which is coupled to a two-level emitter and a single-mode cavity simultaneously. The emitter and the cavity are also coupled to each other and form a three-level system with cyclic transitions. As a result, the phase of emitter-cavity coupling strength serves as a sensitive control parameter. When the emitter and cavity locate at the same point of the waveguide, we demonstrate the Rabi splitting and quasidark-state-induced perfect transmission for the incident photons. More interestingly, when they locate at different points of the waveguide, a controllable nonreciprocal transmission can be realized. Furthermore, we demonstrate that our theoretical model is experimentally feasible with currently available technologies. II. MODEL AND SINGLE-PHOTON SCATTERINGAs schematically shown in Fig. 1, we study the system of a linear waveguide, which is coupled to a singlemode cavity and a two-level emitter, simultaneously. The

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Section: Controllable Nonreciprocal Transmission With Two Differementioning

confidence: 99%

Phase-controlled single-photon nonreciprocal transmission in a one-dimensional waveguide

Wang

et al. 2019

Phys. Rev. A

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“…In order to find the output field |α i,out | 2 (i = 1, 2), Eqs. (15) and (24) can be rewritten in a unified form as…”

Section: Theoretical Modelmentioning

confidence: 99%

“…Besides the optomechanical nonreciprocity in degenerate whispering-gallery modes with inherent non-trivial topology, the nonreciprocity via synthetic magnetism and reservoir engineering has been proposed theoretically [19][20][21][22][23][24] and real- * Electronic address: davidxu0816@163.com † Electronic address: liyong@csrc.ac.cn ized experimently in an optomechanical circuit [25][26][27][28]. The time-reversal symmetry is broken by a synthetic magnetic flux by phase-correlated driving fields, which may enhance the photonic transport in one direction for constructive quantum interference but suppress it in the reversal direction due to destructive quantum interference.…”

Section: Introductionmentioning

confidence: 99%

Optomechanically induced nonreciprocity in a three-mode optomechanical system

Song

Zheng

et al. 2018

Phys. Rev. A

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We propose to create optical nonreciprocity in a three-mode optomechanical system comprising one mechanical and two optical modes, where the mechanical mode is coupled with only one of the optical modes. The optical nonreciprocal response of the system is based on the nonlinearity induced by the optomechanical interaction. However, nonlinearity is a necessary but not a sufficient condition for observing nonreciprocity. Another necessary condition for nonreciprocal response of the system to a classical driving field is demonstrated analytically. The effects of the parameters on the nonreciprocal response of the system are discussed numerically. The three-mode optomechanical system provides a platform to realize nonreciprocity for strong optical signal fields.

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“…We specify the relative phase between the paths of B and C is

θ = ϕ - ϕ^{'}

. Generally, when the relative phase between the two paths is π /2 or 3 π /2, the optimal nonreciprocal response occurs 52,55,63 . In Figure 2, we plot the relative phase θ with respect to the phase ϕ , where the parameters are given as g = J =| μ |= γ = γ m = κ and

Δ_{a} = Δ_{c}^{'} = ω_{m} = 10 κ

.…”

Section: Resultsmentioning

confidence: 99%

Optical nonreciprocal response and conversion in a Tavis‐Cummings coupling optomechanical system

Jiao

Bai²,

Wang³

et al. 2020

Quantum Engineering

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Summary We propose a scheme to realize optical nonreciprocal response and conversion in a Tavis‐Cummings coupling optomechanical system, where a single cavity mode interacts with the vibrational mode of a flexible membrane with an embedded ensemble of two‐level quantum emitters. Due to the introduction of the Tavis‐Cummings interaction, we find that the phases between the mechanical mode and the optical mode, as well as between the mechanical mode and the dopant mode, are correlated with each other, and further give the analytical relationship between them. By optimizing the system parameters, especially the relative phase between two paths, the optimal nonreciprocal response can be achieved. Under the frequency domain, we derive the transmission matrix of the system analytically based on the input‐output relation and study the influence of the system parameters on the nonreciprocal response of the quantum input signal. Moreover, compared with the conventional optomechanical systems, the Tavis‐Cummings coupling optomechanical system exhibits richer nonreciprocal conversion phenomena among the optical mode, mechanical mode, and dopant mode, which provide a new applicable way of achieving the phonon‐photon transducer and the optomechanical circulator in future practice.

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Directional amplifier in an optomechanical system with optical gain

Cited by 54 publications

References 70 publications

Phase-controlled single-photon nonreciprocal transmission in a one-dimensional waveguide

Phase-controlled single-photon nonreciprocal transmission in a one-dimensional waveguide

Optomechanically induced nonreciprocity in a three-mode optomechanical system

Optical nonreciprocal response and conversion in a Tavis‐Cummings coupling optomechanical system

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