slow-wave wavelength

This waveguide grating not only dispenses with the slow wavelength tuning and large-scale integration inconvenience of conventional optic fiber gratings, but have many advantages, such as high resonant wavelength tuning sensitivity, using same fabrication technology as semiconductor devices, and polarization independence.

该波导光栅不仅克服了光纤光栅调谐速度慢和不利于大规模集成的不足，而且具有调谐灵敏度高，制备工艺与半导体工艺兼容和偏振无关等优点。

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For slow light in photonic crystal waveguides, large group velocity dispersion makes it difficult apply to the field of optical communication, especially to wavelength division multiplex system.

对于慢光波导，大的群速色散使得光子晶体慢光波导在光通信领域，尤其在波分复用系统很难得到实际应用。

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