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    • 9. 发明专利
    • Wavelength branching filter circuit
    • 波长分支滤波电路
    • JP2003043277A
    • 2003-02-13
    • JP2002182995
    • 2002-06-24
    • Autocloning Technology:KkNec Corp日本電気株式会社有限会社オートクローニング・テクノロジー
    • KOSAKA HIDEOKAWAKAMI SHOJIRO
    • G02B6/12G02B1/02G02B6/122
    • G02B6/1225B82Y20/00
    • PROBLEM TO BE SOLVED: To provide a wavelength branching filter circuit suitable for high integration by achieving the reduction of a size and improving element characteristics such as acceleration and transmission efficiency, and performance. SOLUTION: A waveguide is not individually formed like a conventional arrayed waveguide grating, a material having a different refractive index is periodically arrayed. Thereby, intense wavelength dispersion characteristic which is not showed in a normal optical crystal, is created to control a wavelength deflection. Both sides of a substrate 1 having a structure in which atomic media 5 are embedded in a background medium 4 in a two-dimensionally triangular disposition, are held by a first clad 2 and a second clad 3. The incident plane 6 of an optical signal is inclined at a constant angle to an incident direction, and the signal is outputted from a light-emitting plane 7. The adjacent space of the atomic media 5 is designed according to the wavelength of the optical signal, and the thickness of the substrate 1 is designed so that the optical signal is sufficiently shut into the substrate 1 and a light traveling direction does not deviate largely from a substrate surface.
    • 要解决的问题:通过实现减小尺寸并提高诸如加速和传输效率以及性能的元件特性来提供适合于高集成度的波长分支滤波器电路。 解决方案:波导不像传统阵列波导光栅单独形成,周期性排列具有不同折射率的材料。 因此,产生在普通光学晶体中未显示的强波长色散特性,以控制波长偏转。 具有原子介质5以二维三角形配置埋设在背景介质4中的结构的基板2的两面被第一包层2和第二包层3保持。光信号的入射面6 与入射方向成一定角度倾斜,从发光面7输出信号。原子介质5的相邻空间根据光信号的波长,基板1的厚度 被设计成使得光信号充分地闭合到基板1中,并且光行进方向不会大大偏离基板表面。