本論文在冷銣原子系統中進行鑽石型四波混頻，將795nm的可見光波段探測光轉換為1367nm的通訊波段訊號光。實驗中使用795nm探測光、780nm耦合光和1324 nm 驅動光在四能階系統中進行四波混頻，產生1367nm訊號光。我們使用Λ型電磁誘發透明確定原子的光學密度，並用級聯型和V型電磁誘發透明確定耦合光和驅動光的拉比頻率以及鑽石型四波混頻結構的穩定性。結果成功實現67%的轉換效率，高於目前公開文獻中的最高效率54%。

This thesis investigates diamond-type four-wave mixing in a cold rubidium atomic system to convert a 795 nm probe light from the visible light band to a 1367 nm signal light in the telecommunication E-band. The experimental setup utilizes a four-level system with a 795 nm probe light, a 780 nm coupling light, and a 1324 nm driving light to produce the 1367 nm signal light through four-wave mixing. We employ Λ-type Electromagnetically Induced Transparency (EIT) to ascertain the optical density of the atoms and cascade-type and V-type EIT are used to determine the rabi frequency of the coupling and driving lights, respectively. And verify the structural stability of the diamond-type four-wave mixing using V-type EIT and cascade-type EIT. Our results demonstrate a conversion efficiency of 67%, higher than the 54% recorded in previous literature.

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