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<p>We propose how to generate beams with non-zero orbital angular momentum in the microwave domain using atomic vapor medium and coherent control techniques. Our approach utilizes a difference frequency generation process in a centrosymmetric medium in the presence of a DC electric field for frequency conversion and parametric amplification. By employing phase matching conditions and orbital angular momentum conservation, we constructed a Controlled NOT gate using a three-level atomic configuration. By generating Laguerre-Gaussian fields in the microwave domain, we open up novel possibilities for advanced information processing in wireless communication and potential applications in quantum technologies.</p>

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Generation of structured light and controlled-NOT gate in microwave regime

  • 期刊论文

  • 发表日期：

    2025年3月27日

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  • Parkhi Bhardwaj,
  • Shubhrangshu Dasgupta

摘要

We propose how to generate beams with non-zero orbital angular momentum in the microwave domain using atomic vapor medium and coherent control techniques. Our approach utilizes a difference frequency generation process in a centrosymmetric medium in the presence of a DC electric field for frequency conversion and parametric amplification. By employing phase matching conditions and orbital angular momentum conservation, we constructed a Controlled NOT gate using a three-level atomic configuration. By generating Laguerre-Gaussian fields in the microwave domain, we open up novel possibilities for advanced information processing in wireless communication and potential applications in quantum technologies.