公开(公告)号：US07869712B2

公开(公告)日：2011-01-11

申请号：US11854892

申请日：2007-09-13

Applicant: Hyunwoo Cho ,  Sae Kyoung Kang ,  Jong-Yoon Shin ,  Je Soo Ko

Inventor： Hyunwoo Cho ,  Sae Kyoung Kang ,  Jong-Yoon Shin ,  Je Soo Ko

IPC: H04J14/02

CPC classification number: H04J14/02 ,  H04J3/1652 ,  H04J3/1658 ,  H04J3/167 ,  H04J2203/0094

Abstract: Provided are a method and apparatus for increasing transmission capacity for large-capacity high-speed signal transmission in an optical transport network (OTN). A method and apparatus for increasing transmission capacity are needed, which can transmit a large-capacity high-speed signal in order to transmit a signal through a united OTN by adapting signals from various tributary signal networks which have been independently operated for voice, image, or data transmission. Although various types of techniques such as Time Division Multiplexing (TDM), Wavelength Division Multiplexing (WDM), and an optical Printed Circuit Board (PCB) method have been performed, the techniques have various limitations. Therefore, a method and apparatus is provided for embodying a large-capacity optical transmission network, which overcome the limitations by using a Virtual Concatenation (VC) method.

Abstract translation: 提供了一种用于在光传输网络（OTN）中提高大容量高速信号传输的传输容量的方法和装置。 需要一种用于增加传输容量的方法和装置，其可以传输大容量高速信号，以便通过适应已经独立地操作用于语音，图像等的各种支路信号网络的信号通过联合OTN发送信号， 或数据传输。 虽然已经执行了诸如时分复用（TDM），波分复用（WDM）和光学印刷电路板（PCB）方法的各种技术，但是这些技术具有各种限制。 因此，提供了一种实现大容量光传输网络的方法和装置，其克服了使用虚拟级联（VC）方法的限制。

公开(公告)号：US20100290739A1

公开(公告)日：2010-11-18

申请号：US12543852

申请日：2009-08-19

Applicant: Sae Kyoung KANG ,  Joon Ki Lee ,  Jyung Chan Lee ,  Kwang Joon Kim

Inventor： Sae Kyoung KANG ,  Joon Ki Lee ,  Jyung Chan Lee ,  Kwang Joon Kim

IPC: G02B6/42 ,  H04J14/02

CPC classification number: G02B6/4215 ,  G02B6/4212 ,  G02B6/4226

Abstract: An active alignment method for a multi-channel optical transmitter and receiver is disclosed. The active alignment method for a multi-channel optical transmitter includes actively aligning an optical signal generator with an optical multiplexer based on optical outputs of a plurality of wavelengths from the optical signal generator and an optical output of the optical multiplexer, and actively aligning the optical multiplexer with a fiber optic coupler based on an optical output of the optical multiplexer and an optical output of the fiber optic coupler.

Abstract translation: 公开了一种用于多通道光发射机和接收机的主动对准方法。 用于多通道光发射机的主动对准方法包括基于来自光信号发生器的多个波长的光输出和光复用器的光输出，主动地将光信号发生器与光复用器对准，并且主动对准光学 多路复用器，其具有基于光复用器的光输出的光纤耦合器和光纤耦合器的光输出。

公开(公告)号：US20100150568A1

公开(公告)日：2010-06-17

申请号：US12538024

申请日：2009-08-07

Applicant: Joon Ki Lee ,  Hwan Seok Chung ,  Sae Kyoung Kang ,  Jyung Chan Lee ,  Kwangjoon Kim

Inventor： Joon Ki Lee ,  Hwan Seok Chung ,  Sae Kyoung Kang ,  Jyung Chan Lee ,  Kwangjoon Kim

IPC: H04B10/00

CPC classification number: H04B10/677

Abstract: An optical transceiver for optimizing transfer characteristic of an optical interferometer and a method of optimizing transfer characteristic of an optical interferometer of an optical transceiver are provided. It is possible to improve the transmission performance of the optical transceiver by optimizing the transfer characteristic of the optical interferometer included in an optical receiver of the optical transceiver which transmits and receives an optical signal in a phase modulation scheme.

Abstract translation: 提供一种用于优化光学干涉仪的传输特性的光收发器和优化光收发器的光干涉仪的传输特性的方法。 通过优化以相位调制方式发送和接收光信号的光收发器的光接收机中包括的光干涉仪的传输特性，可以提高光收发器的传输性能。

公开(公告)号：US20100150553A1

公开(公告)日：2010-06-17

申请号：US12551338

申请日：2009-08-31

Applicant: Sae-kyoung Kang ,  Sang Soo Lee ,  Tae-gon Noh ,  Kwangjoon Kim

Inventor： Sae-kyoung Kang ,  Sang Soo Lee ,  Tae-gon Noh ,  Kwangjoon Kim

IPC: H04J14/00 ,  H04L9/00

CPC classification number: H04B10/508 ,  H04L9/0858

Abstract: A method and apparatus for generating an optical short pulse for quantum cryptography communication is provided. The apparatus is incorporated as a module in an electronic integrated circuit chip, such as a field programmable gate array (FPGA) chip which performs quantum key distribution post-processing and open channel optical signal processing of a quantum cryptography system. The apparatus generates an electrical short pulse and converts the electrical short pulse into an optical short pulse, and it is possible to manufacture a compact apparatus for generating an optical short pulse for quantum cryptography communication.

Abstract translation: 提供了一种用于产生用于量子密码通信的光学短脉冲的方法和装置。 该装置作为模块结合在电子集成电路芯片中，例如执行量子密码系统的量子密钥分配后处理和开放信道光信号处理的现场可编程门阵列（FPGA）芯片。 该装置产生电短脉冲并将电短脉冲转换为光短脉冲，并且可以制造用于产生用于量子密码通信的光学短脉冲的紧凑装置。

公开(公告)号：US20080138082A1

公开(公告)日：2008-06-12

申请号：US11868479

申请日：2007-10-06

Applicant: Sae Kyoung KANG ,  Hyunwoo Cho ,  Sang-Kyu Lim ,  Je Soo Ko

Inventor： Sae Kyoung KANG ,  Hyunwoo Cho ,  Sang-Kyu Lim ,  Je Soo Ko

IPC: H04B10/00

CPC classification number: H04B10/505

Abstract: Provided are an apparatus and method for generating an optical return-to-zero (RZ) signal using an electronic integrated circuit that generates an electric RZ signal. The apparatus for generating an optical RZ signal includes an electronic integrated circuit generating an electric return-to-zero (RZ) signal based on an input data signal and a clock signal, a driving amplifier amplifying the electric RZ signal, a light source outputting a carrier having a predetermined wavelength, and a modulator modulating the carrier according to the amplified RZ signal. The electronic integrated circuit can be constructed in a single electronic circuit chip, and thus the size of the optical transmission system can be reduced.

Abstract translation: 提供了一种使用生成电RZ信号的电子集成电路产生光回归（RZ）信号的装置和方法。 用于产生光学RZ信号的装置包括基于输入数据信号和时钟信号产生电归零（RZ）信号的电子集成电路，放大电RZ信号的驱动放大器，输出 具有预定波长的载波，以及根据放大的RZ信号调制载波的调制器。 电子集成电路可以构造在单个电子电路芯片中，因此可以减小光传输系统的尺寸。

公开(公告)号：US20080131117A1

公开(公告)日：2008-06-05

申请号：US11854892

申请日：2007-09-13

Applicant: Hyunwoo Cho ,  Sae Kyoung Kang ,  Jong-Yoon Shin ,  Je Soo Ko

Inventor： Hyunwoo Cho ,  Sae Kyoung Kang ,  Jong-Yoon Shin ,  Je Soo Ko

IPC: H04J14/00

CPC classification number: H04J14/02 ,  H04J3/1652 ,  H04J3/1658 ,  H04J3/167 ,  H04J2203/0094

Abstract: Provided are a method and apparatus for increasing transmission capacity for large-capacity high-speed signal transmission in an optical transport network (OTN). A method and apparatus for increasing transmission capacity are needed, which can transmit a large-capacity high-speed signal in order to transmit a signal through a united OTN by adapting signals from various tributary signal networks which have been independently operated for voice, image, or data transmission. Although various types of techniques such as Time Division Multiplexing (TDM), Wavelength Division Multiplexing (WDM), and an optical Printed Circuit Board (PCB) method have been performed, the techniques have various limitations. Therefore, a method and apparatus is provided for embodying a large-capacity optical transmission network, which overcome the limitations by using a Virtual Concatenation (VC) method.

Abstract translation: 提供了一种用于在光传输网络（OTN）中提高大容量高速信号传输的传输容量的方法和装置。 需要一种用于增加传输容量的方法和装置，其可以传输大容量高速信号，以便通过适应已经独立地操作用于语音，图像等的各种支路信号网络的信号通过联合OTN发送信号， 或数据传输。 虽然已经执行了诸如时分复用（TDM），波分复用（WDM）和光学印刷电路板（PCB）方法的各种技术，但是这些技术具有各种限制。 因此，提供了一种实现大容量光传输网络的方法和装置，其克服了使用虚拟级联（VC）方法的限制。

公开(公告)号：US08598505B2

公开(公告)日：2013-12-03

申请号：US12908498

申请日：2010-10-20

Applicant: Sae-Kyoung Kang

Inventor： Sae-Kyoung Kang

IPC: H01J40/14 ,  H03F3/08

CPC classification number: H03F3/087 ,  H03F3/45475 ,  H03F2200/78

Abstract: An apparatus for cancellation of a transient voltage spike, includes: a first photodiode for detecting a photon in an optical signal input from an outside, a second photodiode for detecting the photon in the optical signal input from the outside, and a differential amplifier for canceling the same signal component in a first output signal of the first photodiode and a second output signal output from the second photodiode, and to amplify a voltage difference between the first output signal and the second output signal. The transient voltage spike cancellation apparatus cancel a transient voltage spike occurring in an avalanche photodiode operating in a gated Geiger mode, using the differential amplifier.

Abstract translation: 一种用于消除瞬态电压尖峰的装置，包括：用于检测从外部输入的光信号中的光子的第一光电二极管，用于检测从外部输入的光信号中的光子的第二光电二极管，以及用于抵消 在第一光电二极管的第一输出信号中的相同信号分量和从第二光电二极管输出的第二输出信号，并放大第一输出信号和第二输出信号之间的电压差。 瞬态电压尖峰消除装置使用差分放大器来消除在门控盖革盖模式下工作的雪崩光电二极管中发生的瞬态电压尖峰。

公开(公告)号：US08540437B2

公开(公告)日：2013-09-24

申请号：US12835246

申请日：2010-07-13

Applicant: Joon Ki Lee ,  Sae-Kyoung Kang

Inventor： Joon Ki Lee ,  Sae-Kyoung Kang

IPC: G02B6/36 ,  G02B6/32

CPC classification number: G02B6/4215 ,  G02B6/12009 ,  G02B6/29367 ,  G02B6/32

Abstract: A multi-wavelength optical transmitting module includes a housing, an optical output block, an optical transmitting block, and an optical multiplexer (MUX) block. The optical output block is coupled to a first coupling hole of the housing and to an optical signal connector, and includes a first lens. The optical transmitting block is coupled to a second coupling hole of the housing and to an electrical signal connector. The optical transmitting block includes a plurality of transmitting devices which respectively output light having different wavelengths and are arranged parallel to the optical output block, and a plurality of second lenses which correspond respectively to the transmitting devices. The optical multiplexer (MUX) block multiplexes optical signals of multiple wavelengths, which were output from the transmitting devices and passed through the second lenses, and transmits the multiplexed optical signals to the optical output block.

Abstract translation: 多波长光发射模块包括壳体，光输出块，光发射块和光复用器（MUX）块。 光学输出块耦合到壳体的第一耦合孔和光信号连接器，并且包括第一透镜。 光传输块联接到壳体的第二耦合孔和电信号连接器。 光发送块包括分别输出具有不同波长并且平行于光输出块的光的多个发送装置和分别对应于发送装置的多个第二透镜。 光复用器（MUX）块复用从发送设备输出并通过第二透镜的多个波长的光信号，并将复用的光信号发送到光输出块。

公开(公告)号：US20120263917A1

公开(公告)日：2012-10-18

申请号：US13442371

申请日：2012-04-09

Applicant: Sae-Kyoung KANG ,  Joon Ki LEE ,  Joon Young HUH

Inventor： Sae-Kyoung KANG ,  Joon Ki LEE ,  Joon Young HUH

IPC: B32B3/10

CPC classification number: G02B6/4201 ,  Y10T428/24331

Abstract: There is provided an optical module having a top open can (TO-CAN) structure. The optical module having the TO-CAN structure includes a stem that accommodates an optical element or an electronic element therein, and a lead pin that is connected to the optical element or the electronic element through a hole of the stem, wherein the lead pin is bent in a “” shaped structure. Accordingly, the optical module with the TO-CAN structure may operate at high speed and be manufactured at low cost.

Abstract translation: 提供了具有顶部开罐（TO-CAN）结构的光学模块。 具有TO-CAN结构的光学模块包括容纳光学元件或电子元件的杆，以及通过杆的孔连接到光学元件或电子元件的引脚，其中引脚是 弯成成形结构。 因此，具有TO-CAN结构的光学模块可以高速运行并以低成本制造。

公开(公告)号：US20120235764A1

公开(公告)日：2012-09-20

申请号：US13365491

申请日：2012-02-03

Applicant: Sae Kyoung KANG ,  Joon Ki LEE ,  Joon Young HUH ,  Jyung Chan LEE

Inventor： Sae Kyoung KANG ,  Joon Ki LEE ,  Joon Young HUH ,  Jyung Chan LEE

IPC: H01P3/08 ,  H05K3/10 ,  H03H7/38

CPC classification number: H01P3/006 ,  H01P5/028 ,  H05K1/0219 ,  H05K1/0227 ,  H05K1/0253 ,  H05K1/147 ,  H05K2201/058 ,  H05K2201/09618 ,  H05K2201/09672 ,  H05K2201/09727 ,  H05K2201/10121 ,  Y10T29/49155

Abstract: Disclosed is a structure for impedance matching by applying a CPW structure to an impedance discontinuous portion on a data signal line or using a micro-strip open stub so as to be used for high-speed transmission by a flexible PCB. According to the present invention, it is possible to fabricate a flexible PCB capable of performing low-priced and high-speed transmission.

Abstract translation: 公开了通过将CPW结构应用于数据信号线上的阻抗不连续部分或使用微带开路短截线来进行阻抗匹配的结构，以便用于通过柔性PCB的高速传输。 根据本发明，可以制造能够执行低价和高速传输的柔性PCB。