发明名称 |
METHOD USING PHOTONIC CRYSTALS FOR THE DISPERSION COMPENSATION OF OPTICAL SIGNALS OF DIFFERENT WAVELENGTHS WHICH ARE TRANSMITTED TOGETHER |
摘要 |
The present invention is directed to an economical approach for compensating for the dispersion of optical signals having different wavelengths.In accordance with the present invention, photonic crystals (K1-Kn) are positioned on a common optical waveguide (2). In this context, each photonic crystal (K1-Kn) is tuned to reflect or deflect the signals of one wavelength and to transmit the signals of other wavelengths, unattenuated. The specific arrangement of the photonic crystals (K1-Kn) on the waveguide (2) and the specific arrangement of the deflecting elements in the photonic crystal are defined, in the process, as a function of the dispersion to be compensated for between the individual wavelengths.The approach of the present invention makes it possible to assemble permanently set or controllable photonic dispersion compensators of a high quality, which are approximately 1000 times shorter than conventional diffraction gratings. |
申请公布号 |
EP1166474(A1) |
申请公布日期 |
2002.01.02 |
申请号 |
EP20000925129 |
申请日期 |
2000.03.21 |
申请人 |
DEUTSCHE TELEKOM AG |
发明人 |
HEITMANN, WALTER;KOOPS, HANS, W., P. |
分类号 |
G02B6/12;G02B6/122;G02B6/293;G02B6/34;G02F1/35;H04B10/2513;(IPC1-7):H04B10/18 |
主分类号 |
G02B6/12 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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