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    • 8. 发明申请
    • POLARIZATION-INDEPENDENT GRATING OPTICAL COUPLER
    • 极化独立光栅耦合器
    • US20120224810A1
    • 2012-09-06
    • US13041364
    • 2011-03-05
    • Christopher R. Doerr
    • Christopher R. Doerr
    • G02B6/34G02B6/10
    • G02B6/124G02B6/12004G02B6/1228G02B6/30
    • An optical device comprising a planar waveguide located on a planar substrate, the planar waveguide including a light-transmissive layer and an optical grating coupler being located along the planar substrate and being adjacent to and optically coupled to the planar waveguide. The optical coupler includes an optical grating of the light-transmissive layer. The optical grating includes a periodic arrangement of light-refractive structures and one or more slotted openings separating the optical grating into two or more grating segments that have long axes that are substantially parallel to a propagation direction of a light beam configured to pass between the planar waveguide and the optical coupler. Pitch distances between adjacent ones of the grating segments are less than a wavelength of the light beam divided by the effective refractive index of the light-refractive layer.
    • 一种光学装置,包括位于平面基板上的平面波导,所述平面波导包括透光层和光栅耦合器,所述透光层和光栅耦合器沿着所述平面基板定位并且与所述平面波导相邻并光学耦合。 光耦合器包括透光层的光栅。 光学光栅包括光折射结构的周期性布置和将光学光栅分离成两个或更多个光栅段的一个或多个开槽开口,该两个或更多个光栅段具有基本上平行于配置成在平面 波导和光耦合器。 相邻的光栅段之间的间距小于光束的波长除以光折射层的有效折射率。
    • 10. 发明申请
    • ADVANCED MODULATION FORMAT USING TWO-STATE MODULATORS
    • 使用两状态调制器的高级调制格式
    • US20110158577A1
    • 2011-06-30
    • US13041976
    • 2011-03-07
    • Christopher R. Doerr
    • Christopher R. Doerr
    • G02F1/035
    • G02F1/035G02F1/2257G02F2001/0155G02F2001/212G02F2202/108H04B10/5053H04B10/541H04B10/5561
    • An optical modulator device comprising an interferometer. The interferometer includes an input optical coupler, an output optical coupler, and two or more controllable optical waveguides located on a substrate. Each controllable optical waveguide connects the input optical coupler to the output optical coupler and has two-state modulator along a segment thereof. The two or more controllable optical waveguides are connected to transmit an output to the output optical coupler, substantially different light amplitudes and/or phases when the two-state modulators of the two controllable optical waveguides are in different states, as driven by data streams having different information content. The two or more controllable optical waveguides are configured to modulate the light amplitudes and/or phases in a substantially same manner when the two-state modulators are in identical states.
    • 一种包括干涉仪的光调制器装置。 干涉仪包括输入光耦合器,输出光耦合器和位于衬底上的两个或多个可控光波导。 每个可控光波导将输入光耦合器连接到输出光耦合器,并沿其一段具有双态调制器。 连接两个或更多个可控光波导以将输出传输到输出光耦合器,当两个可控光波导的两状态调制器处于不同状态时,基本上具有不同的光振幅和/或相位,如由具有 不同的信息内容。 两个或多个可控光波导被配置为当两状态调制器处于相同状态时以基本相同的方式调制光幅度和/或相位。