论文标题
在多达64个频率箱上实现高保真统一操作
Realization of high-fidelity unitary operations on up to 64 frequency bins
论文作者
论文摘要
将用户选择的大规模统一操作应用于量子状态的能力是实现未来光子量子技术的关键。在这里，我们意识到在多达64个频率包模式下实施可编程的统一操作。为了基准测试系统的性能，我们探测了不同的量子步行单一操作，特别是在四维高管上的Grover Walk，相似性超过95 \％，并且在圆圈上有400步，有限线，相似性为98 \％。我们的结果为实施高质量的统一操作开辟了一条新的途径，这可以构成复杂任务中应用程序（例如高斯玻色子采样）的基础。
The ability to apply user-chosen large-scale unitary operations with high fidelity to a quantum state is key to realizing future photonic quantum technologies. Here, we realize the implementation of programmable unitary operations on up to 64 frequency-bin modes. To benchmark the performance of our system, we probe different quantum walk unitary operations, in particular Grover walks on four-dimensional hypercubes with similarities exceeding 95\% and quantum walks with 400 steps on circles and finite lines with similarities of 98\%. Our results open a new path towards implementing high-quality unitary operations, which can form the basis for applications in complex tasks, such as Gaussian boson sampling.
