摘要:
超导量子计算是目前被认为最有希望实现量子计算机的方案之一.超导量子比特是超导量子计算的核心部件.如何尽可能的增加超导量子比特的退相干时间,大规模的集成超导量子比特已成为超导量子计算研究的主要方向.超导量子比特作为宏观的人工原子,有许多量子光学现象都能够在其中观测到.利用超导量子比特实现电磁感应透明为研究超导量子比特的退相干机理提供了新手段,为研究非线性光学、光存储、光的超慢速传输等量子光学效应开辟了新思路.本文介绍了电磁感应透明的理论基础,总结了目前针对超导量子比特的电磁感应透明研究进展,对比了一般气体原子与超导量子比特的电磁感应透明区别,并对超导量子比特实现电磁感应透明的潜在应用进行了总结和展望.
Abstract:
Superconducting quantum computing is currently considered as one of the most promising options to realize a quantum computer. Superconducting qubit is the core component of the superconducting quantum computer.To increase the decoherence time of superconducting qubits as far as possible,the large-scale integration of superconducting qubits have become the main research topic of superconducting quantum computing.As a macroscopic artificial atom,lots of quantum optical phenomena can be observed in the superconducting qubits.Electromagnetically induced transparency based on superconducting qubits can provide a new method to study the superconducting qubit decoherence mechanism,and can also arouse new ideas to study the nonlinear optics,optical storage, ultra-slow optical transmission and quantum optics.In this paper,we introduce a theoretical basis of electromagnetically induced transparency,review the current research of electromagnetically induced transparency based on superconducting qubits,compare the difference between electromagnetically induced transparencies based on gas atoms and superconducting qubits,and evaluat the prospect applications for its development.
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