FPGA-Based 509 nm Laser Frequency Stabilization to Cesium Atomic Transition: Modulation-Free Rydberg Two-Color Polarization Spectroscopy (TCPS) Versus Frequency-Modulated Rydberg–EIT Spectroscopy

Frequency stability of a 509-nm single-frequency laser, a core component combined with an 852-nm single-frequency laser for two-step cesium Rydberg transitions, is critical for quantum control and metrology precision. Utilizing atomic transition as the absolute reference, we achieved laser frequency...

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Autors principals:	Rui Chang, Tao Wang, Yuewei Wang, Yirong Wei, Yuhui Yang, Rui Sun, Yuzhi Yan, Ziwen Wang, Jun He, Junmin Wang
Format:	Artigo
Idioma:	Inglês
Publicat:	MDPI AG 2026-02-01
Col·lecció:	Photonics
Matèries:	Rydberg electromagnetically-induced transparency (Rydberg–EIT) spectroscopy Rydberg two-color polarization spectroscopy (Rydberg–TCPS) discrete instruments combination Red Pitaya FPGA module frequency stability
Accés en línia:	https://www.mdpi.com/2304-6732/13/2/180
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