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Chinese Physics B

Superadiabatic stimulated Raman adiabatic passage between dressed states

Fupeng Jin, Ao Wang, Yunlan Ji, Hui 辉 Zhou 周, Jianpei Geng

Published Jun 6, 2025• 1 citation
Publisher

Abstract

Abstract Stimulated Raman adiabatic passage (STIRAP) is a widely used technique for efficient population transfer between quantum states. However, the adiabatic nature of STIRAP requires slow evolution, leading to long operation times, which limits its practical applications. The superadiabatic method has been introduced to accelerate the STIRAP process, but it often necessitates additional couplings between the initial and target states, which may not be available in the original Hamiltonian. In this work, we present a novel approach to implement superadiabatic STIRAP (sa-STIRAP) between dressed states in a three-level quantum system. By modulating the amplitude and phase of the original driving fields, the initial and target states in dressed-state space can be effectively coupled. This approach provides a practical means of realizing sa-STIRAP in experimental setups, making it convenient to accelerate adiabatic quantum state transfer.

DOI
10.1088/1674-1056/ade1c4

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Abstract Stimulated Raman adiabatic passage (STIRAP) is a widely used technique for efficient population transfer between quantum states. However, the adiabatic nature of STIRAP requires slow evolution, leading to long operation times, which limits its practical applications. The superadiabatic method has been introduced to accelerate the STIRAP process, but it often necessitates additional couplings between the initial and target states, which may not be available in the original Hamiltonian. In this work, we present a novel approach to implement superadiabatic STIRAP (sa-STIRAP) between dressed states in a three-level quantum system. By modulating the amplitude and phase of the original driving fields, the initial and target states in dressed-state space can be effectively coupled. This approach provides a practical means of realizing sa-STIRAP in experimental setups, making it convenient to accelerate adiabatic quantum state transfer.
Stimulated Raman adiabatic passage (STIRAP) and its superadiabatic variant (sa-STIRAP) are pivotal techniques for high-fidelity quantum state transfer. However, STIRAP is inherently slow, while sa-STIRAP often requires additional, experimentally challenging couplings. Recent progress has shown that implementing these protocols in the dressed-state space can overcome these limitations by modulating the amplitude and phase of native driving fields, thereby enabling efficient population transfer without extra couplings. Nevertheless, the robustness of these dressed-state protocols against decoherence remains unclear. In this work, we investigate the decoherence resilience of both STIRAP and sa-STIRAP within the dressed-state framework. Through numerical simulations, we demonstrate that they exhibit significantly enhanced robustness to environmental noise compared to their standard three-level counterparts. Our results highlight the potential of dressed-state-based protocols for achieving robust, high-fidelity quantum state transfer in noisy environments.
Accurate control of a quantum system is a fundamental requirement in many areas of modern science ranging from quantum information processing to high-precision measurements. A significantly important goal in quantum control is to prepare a desired state as fast as possible with sufficiently high fidelity allowed by available resources and experimental constraints. Stimulated Raman adiabatic passage (STIRAP) is a robust way to realize high-fidelity state transfer but it requires a sufficiently long operation time to satisfy the adiabatic criteria. We here theoretically propose and then experimentally demonstrate a shortcut-to-adiabatic protocol to speed up the STIRAP. By modifying the shapes of the Raman pulses, we experimentally realize a fast and high-fidelity stimulated Raman shortcut-to-adiabatic passage that is robust against control parameter variations. The all-optical, robust, and fast protocol demonstrated here provides an efficient and practical way to control quantum systems.
The stimulated Raman adiabatic passage (STIRAP) shows an efficient technique that accurately transfers population between two discrete quantum states with the same parity, in three-level quantum systems based on adiabatic evolution. This technique has widely theoretical and experimental applications in many fields of physics, chemistry, and beyond. Here, we present a generally robust approach to speed up STIRAP with invariant-based shortcut to adiabaticity. By controlling the dynamical process, we inversely design a family of Hamiltonians that can realize fast and accurate population transfer from the first to the third level, while the systematic error is largely suppressed in general. Furthermore, a detailed trade-off relation between the population of the intermediate state and the amplitudes of Rabi frequencies in the transfer process is illustrated. These results provide an optimal route toward manipulating the evolution of three-level quantum systems in future quantum information processing.
Reaching a given target quantum state with high fidelity and fast operation speed close to the quantum limit represents an important goal in quantum information science. Here we experimentally demonstrate superadiabatic quantum driving to achieve population transfer in a three-level solid-state spin system at ambient conditions. Starting from traditional stimulated Raman adiabatic passage (STIRAP), our approach implements superadiabatic corrections to the STIRAP Hamiltonian with several pulse shapes, including the paradigmatic Gaussian shapes and trigonometric pulse shapes that guarantee an operation speed equal to the quantum limit. It requires no intense microwave pulses or long transfer times and shows an enhanced robustness against pulse imperfections. Thereby, these results might provide a useful tool for quantum information processing and the coherent manipulation of quantum systems.
The stimulated Raman adiabatic passage (STIRAP) allows selective, coherent population transfer in a three-level quantum system by the adiabatic control of two suitably chosen envelopes and delayed laser pulses. However, the long operation time involved with the adiabatic protocols makes them more susceptible to decay and decoherence. A shortcut-to-adiabaticity technique, namely, counterdiabatic driving (CD), suppresses the decoherence-induced loss by speeding up the STIRAP process, thereby enhancing the efficiency and fidelity of population transfer. The superadiabatic STIRAP (saSTIRAP) method requires the application of a shortcut drive or CD pulse, which couples the coherently trapped states in a three-level quantum system. Hence, the closed-loop $\mathrm{\ensuremath{\Lambda}}$ system consisting of all electric dipole-allowed transitions is an essential requirement for saSTIRAP, which is rarely admissible in a natural atom. This paper theoretically investigates an experimentally feasible model for implementing saSTIRAP using a closed-loop $\mathrm{\ensuremath{\Lambda}}$ system with doubly dressed polariton states in a driven circuit QED system. We show a population transfer with efficiencies close to 80.7580.75%80.75 and 98.1098.10%98.10 with fidelities of 89.8689.86%89.86 and 99.0499.04%99.04 for the resonant STIRAP and saSTIRAP protocols, respectively, with experimentally feasible parameters. The efficiency of the population transfer can be further increased by improving the coherence times of the cavity and the transmon qubit. This work may be useful in designing fast, efficient quantum gates for applications in quantum technologies.
Abstract The multistate stimulated Raman adiabatic passage (STIRAP) is an efficient technique to achieve a selective and accurate population transfer in a chainwise-linked system. However, their efficiency is imperfect due to the nonadiabatic losses from the long runtime of the adiabatic evolution. Here, we focus on realizing a perfect and robust coherent control of the quantum states with optimal shortcut to adiabaticity in a realistic five-state hybrid quantum system. In particular, the optimal shortcut field requires minimal additional coupling (only one coupling strength) to accelerate the adiabatic evolution in this five-state system. Compared to the original STIRAP, the optimal shortcut shows the ultra-high fidelity of quantum state manipulations even though the control parameters of the Hamiltonians are changed in different ways. Furthermore, we study the efficiency of the optimal shortcut field technique in the presence of various experimental errors, such as systematic error, Rabi frequency error, and coupling strength error, and it features a broad range of high efficiencies above 99.9%, showing its robustness against the above errors. The results might shed insight on the further applications of shortcuts to adiabaticity on robust quantum information processing in multi-level quantum systems.