| 研究生: |
蔡秉儒 Tsai, Bing-Ru |
|---|---|
| 論文名稱: |
慢光四波混頻的全光學相位調制 All-optical phase modulation using slow-light-based four-wave mixing |
| 指導教授: |
陳泳帆
Chen, Yong-Fan |
| 學位類別: |
碩士 Master |
| 系所名稱: |
理學院 - 物理學系 Department of Physics |
| 論文出版年: | 2013 |
| 畢業學年度: | 101 |
| 語文別: | 中文 |
| 論文頁數: | 58 |
| 中文關鍵詞: | 電磁波誘發透明 、交錯相位調變 、慢光四波混頻 |
| 外文關鍵詞: | Electromagnetically-induced-transparency, Cross-phase modulation, Slow-light four-wave mixing |
| 相關次數: | 點閱:133 下載:10 |
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本論文理論研究雙Λ形式電磁波誘發透明的慢光四波混頻系統,此雙Λ系統是由一個四能階介質與四道外加雷射光組成。根據理論分析,此雙Λ系統與輸入雷射光的相對相位有強烈相關,我們可藉由改變相對相位來操控輸出光場的強度與相位,是一種全光學的開關與相位調變機制。另外,值得注意的是此雙Λ系統可以在極弱光場強度下達成全光學π的相位操控,有潛力實現單光子的π相位邏輯閘。
We theoretically study a slow-light four-wave mixing system based on a double-Λ electromagnetically-induced-transparency (EIT) scheme. This double-Λ EIT system is composed of a four-level medium and four laser fields. According to our theoretical analysis, this double-Λ medium is related to the initial phases of the four laser fields. We can control the amplitude and phase of the output laser field by change the relative phase of the four laser fields, which can be applied in all-optical switching and the phase modulation. Additionally, it is worth noting that this phase-dependent double-Λ EIT system have the potential to use single photons to induce a conditional phase shift of π, realizing a single-photon π phase gate.
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