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    • 3. 发明申请
    • MULTI-LAYERED ELECTRO-OPTIC DEVICES
    • 多层电光设备
    • US20090211622A1
    • 2009-08-27
    • US12034883
    • 2008-02-21
    • Sergey FrolovMichael Cyrus
    • Sergey FrolovMichael Cyrus
    • H01L31/042
    • H05B33/08G01N21/255G01N21/27H01L31/043H01L2924/0002Y02E10/50H01L2924/00
    • A laminate film includes a plurality of planar photovoltaic semi-transparent modules disposed one on top of another and laminated to each other. Each of the modules includes a substrate, first and second conductive layers and at least first and second semiconductor layers disposed between the conductive layers. The first and second semiconductor layers define a junction at an interface therebetween. At least one of the junctions is configured to convert a first spectral portion of optical energy into an electrical voltage and transmit a second spectral portion of optical energy to another of the junctions that is configured to convert at least a portion of the second spectral portion of optical energy into an electrical voltage.
    • 层叠膜包括多个平面光伏半透明模块,其一个放置在另一个的顶部并层叠。 每个模块包括衬底,第一和第二导电层以及设置在导电层之间的至少第一和第二半导体层。 第一和第二半导体层在它们之间的界面处限定结。 所述结中的至少一个被配置为将光能的第一光谱部分转换成电压并将光能的第二光谱部分传输到另一个结,所述另一个结被配置为将第二光谱部分的至少一部分转换成 光能转化为电压。
    • 4. 发明授权
    • Dispersion compensator using Bragg gratings in transmission
    • 色散补偿器在传输中使用布拉格光栅
    • US06501874B1
    • 2002-12-31
    • US09963102
    • 2001-09-25
    • Sergey FrolovJoseph ShmulovichTek-Ming Shen
    • Sergey FrolovJoseph ShmulovichTek-Ming Shen
    • G02B642
    • G02B6/2932G02B6/02085G02B6/124G02B6/278G02B6/29319G02B6/29322G02B6/29329G02B6/29394
    • An apparatus is provided to compensate for dispersion in a transmission medium. The apparatus includes an input port for receiving a WDM optical signal having a plurality of signal wavelengths and a first Bragg transmission grating receiving the WDM optical signal from the input port. The first Bragg transmission grating has non-zero dispersion at at least one of the signal wavelengths. The first Bragg transmission grating also has a Bragg wavelength that is chosen so that all of the plurality of signal wavelengths lie outside of a reflection band of the first Bragg transmission grating. A second Bragg transmission grating, which is optically coupled to the first Bragg transmission grating, has a non-zero dispersion at at least one of the signal wavelengths. The second Bragg transmission grating also has a Bragg wavelength that is selected so that all of the plurality of signal wavelengths lie outside of a reflection band of the second Bragg transmission grating. Finally, an output port is provided for receiving the optical signal from the second Bragg grating and communicating the optical signal to an external source.
    • 提供了一种用于补偿传输介质中的色散的装置。 该装置包括用于接收具有多个信号波长的WDM光信号的输入端口和从输入端口接收WDM光信号的第一布拉格透射光栅。 第一布拉格透射光栅在至少一个信号波长处具有非零色散。 第一布拉格透射光栅还具有布拉格波长,其被选择为使得所有多个信号波长位于第一布拉格透射光栅的反射带的外侧。 光耦合到第一布拉格透射光栅的第二布拉格透射光栅在至少一个信号波长处具有非零色散。 第二布拉格透射光栅还具有选择的布拉格波长,使得所有多个信号波长位于第二布拉格透射光栅的反射带的外侧。 最后,提供输出端口用于从第二布拉格光栅接收光信号并将光信号传送到外部源。