| 摘要 |
The aim of the invention is to realize both 3R regeneration as well as an adjustable wavelength conversion with one component. The 3R regenerator shou ld be constructed with components that are less technically complex than those of the prior art. In a 3R regenerator, which is provided with wavelength conversion and which comprises means for generating clock pulses, a non-line ar discriminator, and means for generating and/or adjusting the output wavelength, the invention provides that the means for generating and/or adjusting the output wavelength is a laser. This laser, in addition to the means for generating clock pulses and to the discriminator, is constantly operated, is connected to the discriminator, and its light having the desire d wavelength is beamed into the discriminator. A delay line is located between the means for generating clock pulses and the discriminator. One pulse at a time of the data signal, which is delayed over the optical delay line by approximately a half bit, is placed in the temporal gap between each two pulses of the clock signal. In order to prevent interferences, the pulses of the data signal and clock signal, and the emitted laser radiation have a different wavelength or polarization or beam direction. In addition, a means for adjusting the power of the datapulse and clock pulse is arranged before the discriminator, and is used to adjust these powers so that the action upo n the non-linear discriminator is approximately equal whereby permitting the discriminator to be safely switched over.
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