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    • 8. 发明授权
    • Adaptive optical waveguide router
    • 自适应光波导路由器
    • US06438295B1
    • 2002-08-20
    • US09412437
    • 1999-10-05
    • Steven P. McGarryCharles D. MacPherson
    • Steven P. McGarryCharles D. MacPherson
    • G02B626
    • G02F1/313G02F1/0126G02F2202/02G02F2202/13G02F2202/14
    • An adaptive optical waveguide router in which routing paths may be dynamically created by the use of a scanning system. The optical router interconnects at least one optical input to a at least optical output. The optical waveguide layer employed is substantially comprised of a photosensitive material which has a change in index of refraction at one optical wavelength when exposed to a different optical wavelength and which, in some way, may be restored to it's original state. One such material is Bacteriorhodopsin which shows a photocycle in the visible region of the optical spectrum. The scanning system, in response to routing information, traces a routing path(s) between an input(s) and a selected output(s) which alters the index of refraction in the path(s) traced in the photorefractive material. An optical input signal then propagates along the traced path between the selected input(s) and the selected output(s).
    • 一种自适应光波导路由器,其中可以通过使用扫描系统动态地创建路由路径。 光路由器将至少一个光输入互连至至少光输出。 所使用的光波导层基本上由感光材料构成,该光敏材料在暴露于不同的光波长时在一个光学波长处具有变化的折射率变化,并且以某种方式可恢复其原始状态。 一种这样的材料是细菌视紫红质,其在光谱的可见光区显示出光环。 扫描系统响应于路由信息,跟踪输入和选择的输出之间的路由路径,其改变在光折射材料中跟踪的路径中的折射率。 然后光输入信号沿所选择的输入和所选输出之间的跟踪路径传播。