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Advanced Quantum Technologies

Efficient Photon Transfer in a Three‐Mode System via Periodic Modulation of an Intermediate Mode

Huanli Yuan, Chenxi Zhou, Hongda Yin

Published Sep 1, 2026• 0 citations
Publisher

Abstract

ABSTRACT Efficient and robust quantum state transfer between distinct optical modes is a cornerstone for on‐chip quantum networks and integrated quantum information processing. Here, we propose a protocol for fast photon transfer in a three‐mode system consisting of two optical cavities and an intermediate bosonic mode that is subjected to a periodic frequency modulation. In contrast to conventional adiabatic methods that require time‐varying coupling strengths, our scheme only modulates the frequency of the intermediate mode, significantly reducing experimental complexity. By mapping the dynamics onto a Landau–Zener–Stückelberg–Majorana (LZSM) interference model, we show that the bright normal mode accumulates a phase, enabling complete photon transfer from one cavity to the other. We systematically analyze the weak‐, strong‐, and intermediate‐driving regimes and demonstrate that the intermediate regime yields both high speed and prolonged target‐mode occupation, making the transfer resilient to timing errors. The protocol naturally extends to multi‐photon Fock states. Furthermore, we map the model onto a practical cavity optomechanical system with a mechanical oscillator as the intermediate mode, where numerical simulations based on realistic parameters confirm a transfer fidelity superior to recent two‐photon LZSM schemes. Our results provide a practical route toward fast, low‐complexity photon transfers in integrated optomechanical and microcavity systems.

DOI
10.1002/qute.70439

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Abstract Cavity optomechanical systems converting quantum state between photons facilitate the development of scalable quantum information processors. The control of state transfer in such systems require producing fast and robust transfer to the target state with high fidelity. Shortcuts to adiabaticity (STA) has recently been proved a powerful method for performing fast quantum state conversion in optomechanical systems, which is, however, not robust enough against deviations in control parameters. Here a scheme to realize robust photon state transfer in a universal cavity optomechanical system by combining STA with optimal control technique (OCT) is proposed. Minimizing systematic error sensitivities with adjustable optimization parameters allows to control simultaneously the transfer speed, fidelity, and robustness against errors. Numerical results show that the optimized scheme is insensitive to deviations in optomechanical coupling and frequency detuning over a broad range. The effects of dissipation on the transfer fidelity are also examined for practical implementation of the scheme in realistic scenarios.
In quantum information processing, it is necessary to transfer quantum state between different systems. Herein, a scheme to transfer quantum state using multi‐passage Landau–Zener–Stückelberg interferometry in three superconducting qubits is proposed. A periodic triangle waveform quickly drives the system across the energy level anticrossing multiple times, inducing multiphoton Rabi oscillations. Using the 0‐photon Rabi oscillations, the dynamical quantum state transfer with probability close to 100% is realized. The fidelity of the state transfer is insensitive to local distortion of the driving waveform. This scheme can be extended to a system where multiple qubits are coupled to a frequency‐tunable qubit, as a quantum medium. It provides a useful tool for scalable quantum computing.
We propose a method to transfer macroscopically superposed states between two optical cavities mediated by a mechanical oscillator, which works in a nonlinear regime of optomechanical interaction. Our approach relies on the phonon-induced dynamic resonance, where the motion of mechanical oscillator dynamically sets on/off the resonance between two cavities. Our method assumes high amplitude limit of oscillator, weak coupling between optical cavities, and adiabatic approximation. We show that, under these conditions, various multi-photon quantum states, especially, Schr{ö}dinger cat states, can be transferred with nearly perfect fidelity in a deterministic process. We show that transfer fidelity of 0.99 can be achieved using the experimental parameters in currently available technology.
Abstract Quantum information processing requires information or entanglement that can be transferred or distributed from one location to another with high fidelity. Here, a scheme for faithful quantum state transfer and entanglement generation based on the hybrid opto‐electro‐mechanical (OEM) systems in a fast and deterministic way is proposed. By applying invariant‐based inverse engineering to the interaction Hamiltonian, the couplings in the OEM system can be controlled by asynchronized driving fields, which is convenient to be realized in practice. Taking the systematic decoherence into consideration, the numerical simulation shows that the scheme can be implemented with less time and high fidelity. Therefore, the scheme provides a promising way for robust on‐chip converting of low‐frequency electrical signal into much higher‐frequency optical signal, and thus enabling large‐scale quantum information networks to grow in size and complexity.
A robust quantum protocol has been developed that achieves highly efficient entanglement transfer from a three-atom Rydberg system, initially in a W-state ( | r r g 〉 + | r g r 〉 + | g r r 〉 ) / 3 , to an equivalent photonic W-state ( | 101 〉 + | 110 〉 + | 011 〉 ) / 3 . The entanglement transfer is achieved by dynamically adjusting the cavity mode frequencies and modulating the coupling rates, simplifying the complex transfer process into a sequence of processes involving two-level avoided crossings. We demonstrate that entanglement transfer can be achieved using either a fully adiabatic protocol or a quasi-adiabatic one with controlled nonadiabatic transitions at avoided crossings, generated by continuously chirping the cavity modes. Our adiabatic protocol uses the fractional stimulated Raman adiabatic passage method to facilitate the partial population transfer required for generation of the photonic W-state. In comparison, the quasi-adiabatic protocol uses nonadiabatic transitions to achieve the required partial population transfer. Furthermore, we propose two strategies for experimental implementation of our protocols.