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    • 4. 发明申请
    • PHOTODIODE MODULE AND APPARATUS INCLUDING MULTIPLE PHOTODIODE MODULES
    • 光电模块和包含多个光电模块的装置
    • US20110215231A1
    • 2011-09-08
    • US13108733
    • 2011-05-16
    • David A. FattalJason BlackstockDuncan Stewart
    • David A. FattalJason BlackstockDuncan Stewart
    • G01J1/04
    • H04N1/053H04N2201/04787H04N2201/04793H04N2201/04794
    • Various embodiments of the present invention are directed to a photodiode module including a structure configured to selectively couple light to a dielectric-surface mode of a photonic crystal of the photodiode module. In one embodiment of the present invention, a photodiode module includes a semiconductor structure having a p-region and an n-region. The photodiode module further includes a photonic crystal having a surface positioned adjacent to the semiconductor structure. A diffraction grating of the photodiode module may be positioned and configured to selectively couple light incident on the diffraction grating to a dielectric-surface mode associated with the surface of the photonic crystal. In another embodiment of the present invention, a photodiode apparatus includes multiple, stacked photodiode modules, each of which is configured to selectively absorb light at a selected wavelength or range of wavelengths.
    • 本发明的各种实施例涉及一种光电二极管模块,其包括被配置为选择性地将光耦合到光电二极管模块的光子晶体的电介质表面模式的结构。 在本发明的一个实施例中,光电二极管模块包括具有p区和n区的半导体结构。 光电二极管模块还包括具有邻近半导体结构定位的表面的光子晶体。 可以将光电二极管模块的衍射光栅定位和配置为将入射在衍射光栅上的光选择性地耦合到与光子晶体的表面相关联的电介质表面模式。 在本发明的另一实施例中,光电二极管装置包括多个堆叠的光电二极管模块,每个光电二极管模块被配置为选择性地吸收所选择的波长或波长范围的光。
    • 9. 发明申请
    • Optical Resonator Tuning Using Piezoelectric Actuation
    • 使用压电驱动的光谐振器调谐
    • US20090245714A1
    • 2009-10-01
    • US12260016
    • 2008-10-28
    • Alexandre BratkovskiSagi MathaiDuncan Stewart
    • Alexandre BratkovskiSagi MathaiDuncan Stewart
    • G02F1/01G02B6/26
    • G02B6/12007
    • An optical resonator configured to be tuned using piezoelectric actuation, includes a core, the core being configured to transmit light; a piezoelectric layer; a first electrode and a second electrode. The piezoelectric layer is interposed between the first electrode and the second electrode. A voltage difference across the first and second electrodes alters a geometric dimension of the piezoelectric layer such that physical force is applied to the core and a resonant optical frequency of the resonator is changed. A method of utilizing mechanical stress to tune an optical resonator includes applying physical force to the resonator by subjecting a piezoelectric material to an electric field, the physical force changing a resonant frequency of the resonator.
    • 构造成使用压电致动调谐的光学谐振器包括芯,所述芯被配置为透射光; 压电层; 第一电极和第二电极。 压电层介于第一电极和第二电极之间。 第一和第二电极两端的电压差改变了压电层的几何尺寸,使得物理力被施加到磁芯上,并且谐振器的谐振光频率改变。 利用机械应力来调谐光学谐振器的方法包括通过使压电材料经受电场来施加物理力,所述物理力改变谐振器的谐振频率。