摘要
We use the highly sensitive method of spatially coherent white-light interferometry to measure the geometric group-delay dispersion in graded-index media. Our measurements confirm previous analyses that the geometric dispersion produced by off-axis beam propagation is anomalous 1negative2, hence may be used to eliminate the ubiquitous positive dispersion in optical systems. Fabrication of large index-gradient waveguides optimal for dispersion compensation is discussed.
| 原文 | ???core.languages.en_GB??? |
|---|---|
| 頁（從 - 到） | 2610-2613 |
| 頁數 | 4 |
| 期刊 | Applied Optics |
| 卷 | 35 |
| 發行號 | 15 |
| DOIs | |
| 出版狀態 | 已出版 - 20 5月 1996 |