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    • 59. 发明申请
    • ULTRA-RESPONSIVE PHASE SHIFTERS FOR DEPLETION MODE SILICON MODULATORS
    • 用于隔离模式硅调制器的超声波相位切换器
    • US20140341497A1
    • 2014-11-20
    • US14060058
    • 2013-10-22
    • Yang LiuTom Baehr-Jones
    • Yang LiuTom Baehr-Jones
    • G02F1/01
    • G02F1/025G02F1/01G02F1/011G02F1/015G02F1/035G02F1/0353G02F1/0356G02F1/2257G02F2001/0113G02F2001/0152
    • A novel phase shifter design for carrier depletion based silicon modulators, based on an experimentally validated model, is described. It is believed that the heretofore neglected effect of incomplete ionization will have a significant impact on ultra-responsive phase shifters. A low VπL product of 0.3 V·cm associated with a low propagation loss of 20 dB/cm is expected to be observed. The phase shifter is based on overlapping implantation steps, where the doses and energies are carefully chosen to utilize counter-doping to produce an S-shaped junction. This junction has a particularly attractive VπL figure of merit, while simultaneously achieving attractively low capacitance and optical loss. This improvement will enable significantly smaller Mach-Zehnder modulators to be constructed that nonetheless would have low drive voltages, with substantial decreases in insertion loss. The described fabrication process is of minimal complexity; in particular, no high-resolution lithographic step is required.
    • 描述了基于实验验证的模型的基于载波耗尽的硅调制器的新型移相器设计。 据信,迄今为止忽略不完全电离的作用将对超灵敏移相器产生重大影响。 预期可以观察到与20dB / cm的低传播损耗相关联的0.3V·cm的低V&pgr L产品。 移相器基于重叠的植入步骤,其中仔细选择剂量和能量以利用反掺杂产生S形结。 该接头具有特别有吸引力的V&pgr; L品质因数,同时实现了极低的电容和光损耗。 这种改进将使得能够构造出显着更小的马赫 - 曾德调制器,尽管如此,驱动电压也将较低,插入损耗也大大降低。 所描述的制造过程具有最小的复杂性; 特别地,不需要高分辨率光刻步骤。
    • 60. 发明授权
    • Optical node device
    • 光节点设备
    • US08885111B2
    • 2014-11-11
    • US13938442
    • 2013-07-10
    • Santec Corporation
    • Noboru UeharaYuji Hotta
    • G02F1/13G02F1/31G02F1/01
    • G02F1/1326G02F1/01G02F1/13G02F1/31G02F2203/585H04Q11/0005H04Q2011/0026
    • An optical node device includes a light receiving/emitting portion having an input port into which a signal beam is incident and an output port that emits a signal beam of a selected wavelength, a chromatic dispersion device that scatters spatially the signal beam depending on the wavelength of the signal beam, an optical coupler that focuses, onto a two-dimensional plane, beams dispersed by the chromatic dispersion device, a spatial light modulating element arranged so as to receive incident light deployed on an xy plane made up of an x-axis direction deployed according to wavelength and a y-axis direction orthogonal to the x-axis direction, and having numerous pixels arranged in a lattice on the xy plane, and a spatial light modulating element driving portion that drives electrodes of the individual pixels arranged in the xy axial directions in the spatial light modulating element.
    • 光节点装置包括具有信号光束入射的输入端口的光接收/发射部分和发射所选波长的信号光束的输出端口,根据波长在空间上散射信号光束的色散装置 信号光束的光耦合器,其在二维平面上聚焦由色散装置分散的光束;空间光调制元件,布置成接收由x轴构成的xy平面上的入射光 方向根据与x轴方向正交的波长和y轴方向展开,并且具有排列在xy平面上的格子中的多个像素;以及空间光调制元件驱动部,其驱动布置在所述x轴方向上的各个像素的电极 空间光调制元件的xy轴方向。