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    • 21. 发明授权
    • Packet-optical integrated switch without optical transponder
    • 分组光集成开关,无光发送应答器
    • US08351784B2
    • 2013-01-08
    • US12628983
    • 2009-12-01
    • Hong Ju KimHyun Woo ChoJi Wook YounHyun Jae LeeBup Joong KimSun Me KimByung Jun Ahn
    • Hong Ju KimHyun Woo ChoJi Wook YounHyun Jae LeeBup Joong KimSun Me KimByung Jun Ahn
    • H04J14/00
    • H04Q11/0005H04J14/0212H04J14/0227H04J14/0256H04L49/352H04L49/357
    • A packet-optical integrated switch without an optical transponder, includes: a packet line card configured to output an Ethernet packet signal to a pre-set output port; a packet switch fabric configured to transfer the packet signal from the packet line card to the output port previously set in a destination address included in the packet signal; a 10 gigabit Ethernet (10 GbE)/optical transport unit level 2 (OTU2) integrated line card configured to convert the packet signal from the packet switch fabric into an OTU2 optical signal having a pre-set wavelength; and a wavelength selection switch fabric configured to allocate the optical signal from the 10 GbE/OTU2 integrated line card to a pre-set wavelength division multiplexing (WDM) port by pre-set wavelength to exchange the optical signal to each port by wavelength, wherein the packet line card, the packet switch fabric, the 10 GbE/OTU2 integrated line card, and the wavelength selection switch fabric perform the reverse operations of the process, respectively.
    • 一种没有光转发器的分组光集成交换机,包括:配置成将以太网分组信号输出到预设输出端口的分组线卡; 分组交换结构,被配置为将分组信号从分组线卡传送到预先设置在分组信号中包括的目的地地址中的输出端口; 配置为将分组交换结构的分组信号转换为具有预设波长的OTU2光信号的10吉比特以太网(10GbE)/光传输单元级2(OTU2)集成线路卡; 以及波长选择交换结构,被配置为通过预定波长将来自10GbE / OTU2集成线路卡的光信号分配给预定波分复用(WDM)端口,以通过波长将光信号交换到每个端口,其中 分组线卡,分组交换结构,10GbE / OTU2集成线路卡和波长选择交换机结构分别执行该过程的反向操作。
    • 22. 发明授权
    • Method and apparatus for converting interface between high speed data having various capacities
    • 用于转换具有各种容量的高速数据之间的接口的方法和装置
    • US07624311B2
    • 2009-11-24
    • US11947349
    • 2007-11-29
    • Jong Yoon ShinHyun Jae LeeJe Soo Ko
    • Jong Yoon ShinHyun Jae LeeJe Soo Ko
    • G06K5/04
    • H04J3/1611H04L25/14
    • Provided are a method and an apparatus for converting an interface between high speed data having various capacities. The apparatus includes a data transmitting part and a data receiving part. The data transmitting part generates a deskew channel having respective timing data of a plurality of data transmitted from a first communicating device, and outputs the generated deskew channel together with the plurality of data to a second communicating device. The data receiving part compares the deskew channel transmitted from the second communicating device with the plurality of data to measure skew values of the data, aligns bits and bytes of the plurality of data using the skew values, and transmits the plurality of data to the first communicating device.
    • 提供了一种用于转换具有各种容量的高速数据之间的接口的方法和装置。 该装置包括数据发送部分和数据接收部分。 数据发送部生成具有从第一通信装置发送的多个数据的各自的定时数据的歪斜通道,并将生成的歪斜通道与多个数据一起输出到第二通信装置。 数据接收部将从第二通信装置发送的歪斜通道与多个数据进行比较,以测量数据的偏斜值,使用偏斜值对准多个数据的比特和字节,并将多个数据发送到第一个 通讯设备
    • 23. 发明授权
    • Optical transmission apparatus and method
    • 光传输装置及方法
    • US07486890B2
    • 2009-02-03
    • US11289906
    • 2005-11-29
    • Hyun Jae LeeKwang Joon Kim
    • Hyun Jae LeeKwang Joon Kim
    • H04J14/00
    • H04J14/0227H04B10/40H04J14/0226H04J14/0246H04J14/025H04J14/0282
    • Provided are an optical transmission apparatus and method using a light source for wavelength division multiplexing (WDM) optical communication that employs a Fabry-Perot laser diode (F-P LD) whose output wavelength is locked by an externally injected incoherent light, a multifiber, and a waveguide grating router. The light transmission apparatus includes: an incoherent light source (ILS) outputting incoherent light; a plurality of circulators (CIRs) connected to the ILS, receiving the incoherent light from the ILS, and outputting first optical signals; a first waveguide grating router (WGR) outputting the first optical signals output from each of the CIRs to optical fibers corresponding to each of the CIRs, and outputting second optical signals input from the optical fibers to the corresponding CIRs; a plurality of second WGRs corresponding to each of the CIRs, and demodulating the second optical signals output from each of the plurality of CIRs; and a plurality of receivers connected to the plurality of the second WGRs, and inputting the demultiplexed optical signals output from the plurality of second WGRs. A plurality of light sources for WDM optical communication whose output wavelength is locked can increase size and economical efficiency of a light transmission system (subscriber). The N×N WGR can produce a conventional light transmission system and accommodate many subscribers.
    • 本发明提供一种使用波分复用(WDM)光通信的光源的光传输装置和方法,该光通信使用其输出波长被外部注入的非相干光锁定的法布里 - 珀罗激光二极管(FP LD),多光纤和 波导光栅路由器。 光传输装置包括:输出非相干光的非相干光源(ILS); 连接到ILS的多个循环器(CIR),接收来自ILS的非相干光,并输出第一光信号; 将从每个CIR输出的第一光信号输出到与每个CIR对应的光纤的第一波导光栅路由器(WGR),并将从光纤输入的第二光信号输出到对应的CIR; 对应于每个CIR的多个第二WGR,并解调从多个CIR中的每一个输出的第二光信号; 以及连接到所述多个所述第二WGR的多个接收器,以及输入从所述多个第二WGR输出的解复用的光信号。 输出波长锁定的多个用于WDM光通信的光源可以增加光传输系统(用户)的尺寸和经济性。 NxN WGR可以生产传统的光传输系统,并适应许多用户。
    • 24. 发明授权
    • Apparatus for testing performance of optical transceiver
    • 用于测试光收发器性能的装置
    • US07440700B2
    • 2008-10-21
    • US11134202
    • 2005-05-20
    • Jyung Chan LeeJoon Ki LeeHyun Jae LeeKwangjoon Kim
    • Jyung Chan LeeJoon Ki LeeHyun Jae LeeKwangjoon Kim
    • H04B10/00
    • G01M11/00
    • Provided is an apparatus for testing the performance of an optical transceiver by referencing various performance clocks provided by an OTU2 signal connection transceiver and an STM-64/OC-192 signal. The apparatus for testing performance of an optical transceiver includes: a transmitter/receiver reference clock selector for selecting one of various transmitter/receiver reference clocks provided by an STM-64/OC-192 connection optical transceiver or an OTN connection optical transceiver; a transmitter test reference clock selection switch for selecting a receiver data synchronous clock provided by the transceivers or the selected transmitter/receiver reference clock as a transmitter test reference clock; and a receiver test reference clock selection switch for selecting a transmitter supervisory clock provided by the transceivers or the selected transmitter/receiver reference clock as a receiver test reference clock.
    • 提供了一种用于通过参考由OTU2信号连接收发器和STM-64 / OC-192信号提供的各种性能时钟来测试光收发器的性能的装置。 用于测试光收发器性能的装置包括:用于选择由STM-64 / OC-192连接光收发器或OTN连接光收发器提供的各种发射机/接收机参考时钟之一的发射机/接收机参考时钟选择器; 发射机测试参考时钟选择开关,用于选择由收发器或选定的发射机/接收机参考时钟提供的接收机数据同步时钟作为发射机测试参考时钟; 以及接收机测试参考时钟选择开关,用于选择由收发器或选定的发射机/接收机参考时钟提供的发射机监控时钟作为接收机测试参考时钟。
    • 27. 发明授权
    • Light emitting device and method for fabricating the same
    • 发光元件及其制造方法
    • US08053795B2
    • 2011-11-08
    • US11267320
    • 2005-11-07
    • Hyun Jae LeeJun Seok Ha
    • Hyun Jae LeeJun Seok Ha
    • H01L33/00
    • H01L33/64H01L33/0079H01L33/20H01L33/46H01L2933/0075
    • A light emitting device and a method for fabricating the same according to the present invention are advantageous in that since an LLO (Laser Lift Off) process is performed using a thick metal film grown through a growth process, an occurrence rate of a void is remarkably decreased due to dense bonding between metals so that an occurrence rate of a crack can be decreased. Further, the present invention has an advantage in that a metal is filled in trench regions formed through an isolation process for devices, thereby protecting the devices and ensuring excellent heat dissipation. The present invention has a further advantage in that a reflective film is formed on inclined sidewalls of a device-forming thin film layer so that light loss through lateral sides of the device can be reduced, thereby improving optical properties.
    • 根据本发明的发光器件及其制造方法的优点在于,由于使用通过生长工艺生长的厚金属膜进行LLO(激光剥离)工艺,所以空隙的发生率显着地 由于金属之间的致密结合而降低,从而可以降低裂缝的发生率。 此外,本发明的优点在于,金属填充在通过器件的隔离工艺形成的沟槽区域中,从而保护器件并确保优异的散热。 本发明的另一个优点在于,在器件形成薄膜层的倾斜侧壁上形成反射膜,从而可以减少通过器件侧面的光损失,从而提高光学性能。
    • 29. 发明申请
    • PACKET-OPTICAL INTEGRATED SWITCH WITHOUT OPTICAL TRANSPONDER
    • PACKET-OPTICAL INTEGRATED SWITCH无光学传输器
    • US20100135659A1
    • 2010-06-03
    • US12628983
    • 2009-12-01
    • Hong Ju KIMHyun Woo ChoJi Wook YounHyun Jae LeeBup Joong KimSun Me KimByung Jun Ahn
    • Hong Ju KIMHyun Woo ChoJi Wook YounHyun Jae LeeBup Joong KimSun Me KimByung Jun Ahn
    • H04J14/00H04J14/02H04L12/56
    • H04Q11/0005H04J14/0212H04J14/0227H04J14/0256H04L49/352H04L49/357
    • A packet-optical integrated switch without an optical transponder, includes: a packet line card configured to output an Ethernet packet signal to a pre-set output port; a packet switch fabric configured to transfer the packet signal from the packet line card to the output port previously set in a destination address included in the packet signal; a 10 gigabit Ethernet (10 GbE)/optical transport unit level 2 (OTU2) integrated line card configured to convert the packet signal from the packet switch fabric into an OTU2 optical signal having a pre-set wavelength; and a wavelength selection switch fabric configured to allocate the optical signal from the 10 GbE/OTU2 integrated line card to a pre-set wavelength division multiplexing (WDM) port by pre-set wavelength to exchange the optical signal to each port by wavelength, wherein the packet line card, the packet switch fabric, the 10 GbE/OTU2 integrated line card, and the wavelength selection switch fabric perform the reverse operations of the process, respectively.
    • 一种没有光转发器的分组光集成交换机,包括:配置成将以太网分组信号输出到预设输出端口的分组线卡; 分组交换结构,被配置为将分组信号从分组线卡传送到预先设置在分组信号中包括的目的地地址中的输出端口; 配置为将分组交换结构的分组信号转换为具有预设波长的OTU2光信号的10吉比特以太网(10GbE)/光传输单元级2(OTU2)集成线路卡; 以及波长选择交换结构,被配置为通过预定波长将来自10GbE / OTU2集成线路卡的光信号分配给预定波分复用(WDM)端口,以通过波长将光信号交换到每个端口,其中 分组线卡,分组交换结构,10GbE / OTU2集成线路卡和波长选择交换机结构分别执行该过程的反向操作。