High-speed, high-accuracy 400-GHz wavelength switching at tunable distributed amplification (TDA-) DFB laser using feedforward control
2015 Opto-Electronics and Communications Conference (OECC)(2015)
摘要
We present the method of the high-speed wavelength switching of the tunable distributed amplification (TDA-) DFB laser by feedforward control. We designed and simulated the feedforward controller to accelerate the wavelength switching. A switching time of less than 100 ns with a frequency deviation of less than 1 GHz was achieved at switching toward 400-GHz spaced channels. The results indicate the feasibility of the TDA-DFB laser for future wavelength routing systems.
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关键词
tunable distributed amplification (TDA) distributed feedback (DFB) laser,tunable wavelength laser,feedforward control,thermal wavelength drift
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