Optical module including an optically lossy component and an erbium-doped waveguide for insertion between stages of an optical amplifier
    1.
    发明授权
    Optical module including an optically lossy component and an erbium-doped waveguide for insertion between stages of an optical amplifier 有权
    光学模块包括光学损耗分量和用于在光放大器的级之间插入的掺铒波导

    公开(公告)号:US06961502B1

    公开(公告)日:2005-11-01

    申请号:US10279479

    申请日:2002-10-24

    摘要: An optical module is provided for performing a prescribed function such as dispersion compensation, for example. The optical module is to be integrated between stages of a multi-stage rare-earth doped optical amplifier. The module includes an input port for receiving optical energy from one stage of the rare-earth doped optical amplifier and a rare-earth doped planar waveguide coupled to the input port. An optically lossy, passive element is provided for performing the prescribed function. The optically lossy, passive element is coupled to the planar waveguide for receiving optical energy therefrom. An output port is coupled to the optically lossy, passive element for providing optical energy to another stage of the rare-earth doped optical amplifier. The rare-earth doped planar waveguide has a first unsaturated absorption spectrum and the rare-earth doped optical amplifier has a second unsaturated absorption spectrum such that the ratio of the first to the second absorption spectrum is substantially wavelength independent within the spectral range of incoming and outgoing optical energy. The rare-earth doped planar waveguide has a length determined at least in part from a value of optical loss in the passive element and characteristics of the rare-earth doped optical amplifier.

    摘要翻译: 例如,提供了用于执行诸如色散补偿的规定功能的光学模块。 光模块将被集成在多级稀土掺杂光放大器的级之间。 该模块包括用于从稀土掺杂光放大器的一级接收光能的输入端口和耦合到输入端口的稀土掺杂平面波导。 提供光学有损的无源元件用于执行规定的功能。 光学有损的无源元件耦合到平面波导以从其接收光能。 输出端口耦合到光学有损耗的无源元件,用于向稀土掺杂光放大器的另一级提供光能。 稀土掺杂平面波导具有第一不饱和吸收光谱,并且稀土掺杂光放大器具有第二不饱和吸收光谱,使得第一和第二吸收光谱的比率在入射光谱的光谱范围内基本上与波长无关, 输出光能。 稀土掺杂的平面波导的长度至少部分地取决于无源元件中的光损耗值和稀土掺杂光放大器的特性。

    Dispersion compensator using Bragg gratings in transmission
    3.
    发明授权
    Dispersion compensator using Bragg gratings in transmission 失效
    色散补偿器在传输中使用布拉格光栅

    公开(公告)号:US06501874B1

    公开(公告)日:2002-12-31

    申请号:US09963102

    申请日:2001-09-25

    IPC分类号: G02B642

    摘要: 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.

    摘要翻译: 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。

    SPECTRALLY ADAPTIVE MULTIJUNCTION PHOTOVOLTAIC THIN FILM DEVICE AND METHOD OF PRODUCING SAME
    4.
    发明申请
    SPECTRALLY ADAPTIVE MULTIJUNCTION PHOTOVOLTAIC THIN FILM DEVICE AND METHOD OF PRODUCING SAME 审中-公开
    光谱自适应多光子薄膜薄膜装置及其制造方法

    公开(公告)号:US20110174366A1

    公开(公告)日:2011-07-21

    申请号:US13074390

    申请日:2011-03-29

    IPC分类号: H01L31/06 H01L31/18

    摘要: A method is provided for converting optical energy to electrical energy in a spectrally adaptive manner. The method begins by directing optical energy into a first photovoltaic module that includes non-single crystalline semiconductor layers defining a junction such that a first spectral portion of the optical energy is converted into a first quantity of electrical energy. A second spectral portion of the optical energy unabsorbed by the first module is absorbed by a second photovoltaic module that includes non-single crystalline semiconductor layers defining a junction and converted into a second quantity of electrical energy. The first quantity of electrical energy is conducted from the first module to a first external electrical circuit along a first path. The second quantity of electrical energy is conducted from the second module to a second external electrical circuit along a second path that is in parallel with the first path.

    摘要翻译: 提供了一种以光谱自适应方式将光能转换成电能的方法。 该方法开始于将光能引入到第一光伏模块中,第一光伏模块包括限定结的非单晶半导体层,使得光能的第一光谱部分被转换成第一量的电能。 由第一模块未吸收的光能的第二光谱部分被第二光伏模块吸收,第二光伏模块包括限定结并且转换成第二数量的电能的非单晶半导体层。 第一数量的电能从第一模块沿着第一路径传导到第一外部电路。 第二数量的电能沿着与第一路径平行的第二路径从第二模块传导到第二外部电路。

    Spectrally adaptive multijunction photovoltaic thin film device and method of producing same
    5.
    发明申请
    Spectrally adaptive multijunction photovoltaic thin film device and method of producing same 审中-公开
    光谱自适应多结光伏薄膜器件及其制造方法

    公开(公告)号:US20080216885A1

    公开(公告)日:2008-09-11

    申请号:US11714681

    申请日:2007-03-06

    IPC分类号: H01L31/042

    摘要: A method is provided for converting optical energy to electrical energy in a spectrally adaptive manner. The method begins by directing optical energy into a first photovoltaic module that includes non-single crystalline semiconductor layers defining a junction such that a first spectral portion of the optical energy is converted into a first quantity of electrical energy. A second spectral portion of the optical energy unabsorbed by the first module is absorbed by a second photovoltaic module that includes non-single crystalline semiconductor layers defining a junction and converted into a second quantity of electrical energy. The first quantity of electrical energy is conducted from the first module to a first external electrical circuit along a first path. The second quantity of electrical energy is conducted from the second module to a second external electrical circuit along a second path that is in parallel with the first path.

    摘要翻译: 提供了一种以光谱自适应方式将光能转换成电能的方法。 该方法开始于将光能引入到第一光伏模块中,第一光伏模块包括限定结的非单晶半导体层,使得光能的第一光谱部分被转换成第一量的电能。 由第一模块未吸收的光能的第二光谱部分被第二光伏模块吸收,第二光伏模块包括限定结并且转换成第二数量的电能的非单晶半导体层。 第一数量的电能从第一模块沿着第一路径传导到第一外部电路。 第二数量的电能沿着与第一路径平行的第二路径从第二模块传导到第二外部电路。

    Three-stage formation of thin-films for photovoltaic devices
    6.
    发明授权
    Three-stage formation of thin-films for photovoltaic devices 有权
    用于光伏器件的三阶段薄膜形成

    公开(公告)号:US07910396B2

    公开(公告)日:2011-03-22

    申请号:US12603285

    申请日:2009-10-21

    IPC分类号: H01L21/00

    摘要: A method for producing a film of compound semiconductor includes providing a substrate and a compound bulk material having a first chemical composition that includes at least one first chemical element and a second chemical element. A film is deposited on the substrate using the compound bulk material as a single source of material. The deposited film has a composition substantially the same as the first chemical composition. A residual chemical reaction is induced in the deposited film using a source containing the second chemical element to thereby increase the content of the second chemical element in the deposited film so that the deposited film has a second chemical composition. The film may be employed in a photovoltaic device.

    摘要翻译: 一种化合物半导体膜的制造方法,其特征在于,提供具有第一化学成分的基板和化合物本体材料,所述第一化学组成包含至少一个第一化学元素和第二化学元素。 使用复合散装材料作为单一材料来源,将膜沉积在基板上。 沉积膜具有与第一化学组成基本相同的组成。 使用含有第二化学元素的源在沉积膜中引起残留的化学反应,从而增加沉积膜中的第二化学元素的含量,使得沉积膜具有第二化学组成。 该膜可以用在光伏器件中。

    Kink free operation of pump lasers having diffraction grating for providing wavelength stabilization
    7.
    发明授权
    Kink free operation of pump lasers having diffraction grating for providing wavelength stabilization 失效
    具有用于提供波长稳定性的衍射光栅的泵浦激光器的无扭曲操作

    公开(公告)号:US06882666B2

    公开(公告)日:2005-04-19

    申请号:US10277999

    申请日:2002-10-22

    摘要: A semiconductor laser source includes a laser diode having front and rear facets. The laser diode includes a substrate and a lower cladding layer disposed on the substrate. The lower cladding layer is doped with a dopant of the first conductivity type. An active layer is disposed on the lower cladding layer and an upper cladding layer is disposed on the active layer. The upper cladding layer is doped with a dopant of the second conductivity type. At least one electrode is disposed on a first outer layer of the diode. A pair of electrodes is disposed on a second outer layer of the diode. The second outer layer is located on a side of the diode opposing the first outer layer. The pair of electrodes is configured to allow application of different currents to each one of the electrodes in the pair of electrodes. A reflector, which is located external to the laser diode, is in optical communication with the front facet of the laser diode for providing optical feedback to the active region.

    摘要翻译: 半导体激光源包括具有前后面的激光二极管。 激光二极管包括基板和设置在基板上的下包层。 下包层掺杂有第一导电类型的掺杂剂。 在下包层上设置有源层,在有源层上设置上包层。 上覆层掺杂有第二导电类型的掺杂剂。 至少一个电极设置在二极管的第一外层上。 一对电极设置在二极管的第二外层上。 第二外层位于与第一外层相对的二极管的一侧。 该对电极被配置为允许对该对电极中的每个电极施加不同的电流。 位于激光二极管外部的反射器与激光二极管的前端面光学通信,用于向激活区域提供光学反馈。

    Waveguide optical amplifier
    9.
    发明授权

    公开(公告)号:US07027212B2

    公开(公告)日:2006-04-11

    申请号:US10818672

    申请日:2004-04-06

    IPC分类号: H01S3/00

    摘要: A planar waveguide optical amplifier includes a substrate and an active waveguide formed on the substrate for imparting gain to an optical signal propagating therethrough. The active waveguide has an input port for receiving an optical signal to be amplified and an output port on which an amplified optical signal is directed. A plurality of coupling elements are formed on the substrate and are adapted to couple pump power to the active waveguide. The plurality of coupling elements are located at predetermined positions along the active waveguide.

    Aligned bifacial solar modules
    10.
    发明授权

    公开(公告)号:US10211353B2

    公开(公告)日:2019-02-19

    申请号:US12102664

    申请日:2008-04-14

    摘要: A photovoltaic device includes a plurality of photovoltaic cells disposed in an array in which each cell is adjacent to another cell. Each of the cells includes first and second photovoltaic modules. The first photovoltaic module of each cell is configured to convert a first part of light energy incident thereon into electrical energy and to reflect to the second photovoltaic module of an adjacent cell at least some of a remaining portion of light energy incident thereon. The second photovoltaic module of each cell is configured to convert into electrical energy the remaining portion of the light energy received from the first photovoltaic module of an adjacent cell.