公开(公告)号：KR101747453B1

公开(公告)日：2017-06-16

申请号：KR1020120021395

申请日：2012-02-29

Applicant: 한국전자통신연구원

Inventor： 문실구 ,  조정식 ,  이은구 ,  정의석 ,  이상수

IPC: H04J14/02

CPC classification number: H04J14/02

Abstract: 본발명은파장다중화및 역다중화기능이통합된배열도파로격자라우터장치에관한것으로, 입력된다수의광신호들을서로일정한길이차이를가지는다수의도파로가배열되는배열도파로를통해위상차를발생시켜출력하고, 이를커플링하여출력함으로써광신호의최대보강간섭또는/및상쇄간섭효과에의해파장다중화와역다중화가동시에수행되도록한 것이다.

公开(公告)号：KR1020130007470A

公开(公告)日：2013-01-18

申请号：KR1020120069290

申请日：2012-06-27

Applicant: 한국전자통신연구원

Inventor： 문실구 ,  이은구 ,  설동민 ,  정의석 ,  조정식 ,  이상수

IPC: H04J14/02 ,  H04B10/2581

CPC classification number: H04J14/02 ,  H04B10/2581 ,  H04B10/40 ,  H04B10/6911

Abstract: PURPOSE: A wavelength automatic recognition apparatus is provided to save maintenance costs without wavelength alignment and management by achieving miniaturization by modulization and integration. CONSTITUTION: A distribution part(110) distributes a single optical signal to multiple optical signals. Multiple filter parts(120-1-120-n) have wavelength dependent transmission characteristics. The multiple filters different transmission characteristics filtering distributed multiple optical signals. Multiple detection part(130-1-130-n) detect multiple optical signals. At least one comparison part(140-1-140-x) compares output from the two arbitrary detection parts. A wavelength judgment part(150) receives at least one output from the comparison part. The wavelength judgment part judges wavelength of an optical signal using a stored lookup table. [Reference numerals] (110) Distribution part; (120-1,120-2,120-n) Filter part; (130-1,130-2,130-n) Detection part; (140-1,140-2,140-x) Comparison part; (150) Wavelength judgment part; (AA) Wavelength automatic recognition apparatus

Abstract translation: 目的：提供一种波长自动识别装置，通过模块化和集成实现小型化，节省维护成本，无需波长对准和管理。 构成：分配部分（110）将单个光信号分配给多个光信号。 多个滤波器部件（120-1-120-n）具有波长依赖的传输特性。 多个滤波器不同的传输特性滤波分布多个光信号。 多检测部分（130-1-130-n）检测多个光信号。 至少一个比较部分（140-1-140-x）比较来自两个任意检测部分的输出。 波长判断部（150）从比较部接收至少一个输出。 波长判断部使用存储的查找表来判断光信号的波长。 （附图标记）（110）分配部; （120-1,120-2,120-n）过滤器部件; （130-1,130-2,130-n）检测部分; （140-1,140-2,140-x）比较部分; （150）波长判定部; （AA）波长自动识别装置

公开(公告)号：KR1020120071120A

公开(公告)日：2012-07-02

申请号：KR1020100132728

申请日：2010-12-22

Applicant: 한국전자통신연구원

Inventor： 조정식 ,  강세경

IPC: G02B6/35 ,  G02B6/10

CPC classification number: G02B6/126 ,  G02B6/125 ,  G02B6/2793

Abstract: PURPOSE: A reflection type optical delay interferometer based on a planar waveguide is provided to remove polarization dependency and the polarization inconsistency of a time division optical interferometer. CONSTITUTION: A reflection type optical delay interferometer based on a planar waveguide comprises a coupler(212), a first optical waveguide(201), a second optical waveguide(202), a first polarization rotating reflective device(220), and a second polarization rotating reflective device(230). The coupler divides an optical input signal into two optical signals. The first optical waveguide is connected to the coupler and has a first optical delay path. The second optical waveguide is connected to the coupler and has an optical delay path asymmetrical to the first optical delay path to deliver a second optical signal. The first polarization rotating reflective device is connected to the first optical waveguide. The second polarization rotating reflective device is connected to the second optical waveguide.

Abstract translation: 目的：提供一种基于平面波导的反射型光延迟干涉仪，用于消除时分光学干涉仪的偏振依赖性和极化不一致性。 构成：基于平面波导的反射型光学延迟干涉仪包括耦合器（212），第一光波导（201），第二光波导（202），第一偏振旋转反射装置（220）和第二极化 旋转反射装置（230）。 耦合器将光输入信号分成两个光信号。 第一光波导连接到耦合器并且具有第一光学延迟路径。 第二光波导连接到耦合器并且具有与第一光学延迟路径不对称的光学延迟路径以传递第二光学信号。 第一偏振旋转反射装置连接到第一光波导。 第二偏振旋转反射装置连接到第二光波导。

公开(公告)号：KR101327661B1

公开(公告)日：2013-11-14

申请号：KR1020090128456

申请日：2009-12-21

Applicant: 한국전자통신연구원

Inventor： 조정식

IPC: H04L9/08 ,  H04B10/548

CPC classification number: H04L9/0858 ,  H04B10/70

Abstract: 양자 암호키 분배를 위한 광위상 변조 방법 및 장치가 개시된다. 광간섭계 외부에 광위상 변조기를 배치하여 간섭계 구성을 단순화할 수 있고, 광위상 변조기가 유발하는 광경로의 연장, 광간섭계의 불안정성 상승, 삽입 손실 상승 등의 문제를 완화할 수 있다. 또한 광간섭계 외부에 배치된 광위상 변조기의 인가 전압의 세기를 조절하여 간섭계의 출력특성을 향상시킬 수 있다.
광위상 변조 방법, 양자 암호키 분배, 안정화, 단순화, 외부 배치

公开(公告)号：KR1020130099695A

公开(公告)日：2013-09-06

申请号：KR1020120021395

申请日：2012-02-29

Applicant: 한국전자통신연구원

Inventor： 문실구 ,  조정식 ,  이은구 ,  정의석 ,  이상수

IPC: H04J14/02

CPC classification number: H04J14/02 ,  H04J14/0209 ,  H04J14/0212 ,  H04J2203/0053

Abstract: PURPOSE: An arrangement waveguide lattice router device with the integrated wavelength multiplexing and demultiplexing functions are provided to save the cost and space at the time when an optical communication system is applied. CONSTITUTION: An arrangement waveguide lattice router device (100) with the integrated wavelength multiplexing and demultiplexing functions includes a plurality of input channel waveguides (110), an array waveguide (120), multiple output channel waveguides (130). The multiple output channel waveguides input an optical signal. The arrangement waveguide arrays multiple waveguides that have the uniform length difference from each other and generates the phase difference of the optical signal input from the multiple input channel waveguide. Multiple output channel waveguide outputs the optical signal output from multiple waveguides arrayed on the array waveguide by coupling the optical signal. [Reference numerals] (110,AA,BB) Input channel waveguide; (120) Waveguide; (130,GG,HH) Output channel waveguide; (140,CC,DD) Input plane waveguide; (150,EE,FF) Output plane waveguide; (200) Light divider; (300,II) Light detector

Abstract translation: 目的：提供具有集成波长复用和解复用功能的布置波导点阵路由器设备，以节省在应用光通信系统时的成本和空间。 构成：具有集成波长复用和解复用功能的布置波导晶格路由器设备（100）包括多个输入通道波导（110），阵列波导（120），多个输出通道波导（130）。 多输出通道波导输入光信号。 布置波导阵列具有彼此具有均匀长度差的多个波导，并且产生从多输入通道波导输入的光信号的相位差。 多输出通道波导通过耦合光信号输出阵列在阵列波导上的多个波导的光信号输出。 （参考数字）（110，AA，BB）输入通道波导; （120）波导; （130，GG，HH）输出通道波导; （140，CC，DD）输入平面波导; （150，EE，FF）输出平面波导; （200）分光器; （300，II）光检测器

公开(公告)号：KR1020110071803A

公开(公告)日：2011-06-29

申请号：KR1020090128456

申请日：2009-12-21

Applicant: 한국전자통신연구원

Inventor： 조정식

IPC: H04L9/08 ,  H04B10/548

CPC classification number: H04L9/0858 ,  H04B10/70

Abstract: PURPOSE: An optical phase modulation method for quantum cryptography key distribution and apparatus thereof are provided to set path difference between two paths of an asymmetric optic interferometer easily, by arranging an optic phase modulator outside the optic interferometer. CONSTITUTION: Single photon coming out from a light source(210) is inputted to an optic interferometer(220). An optic phase modulator(230) performs phase modulation to the single photon of two photos corresponding to one coordinate. The phase-modulated single photon is transmitted through an optical fiber-based quantum channel(240). An optical phase modulator(250) modulates the phase of another single photon whose phase is not modulated. Two single photos are divided in an optic interferometer(260). The overlapped photons are detected in a single photon detector(270).

Abstract translation: 目的：提供量子密码密钥分发的光相位调制方法及其装置，通过在光学干涉仪外部布置光学相位调制器来容易地设置非对称光学干涉仪的两个路径之间的路径差。 构成：从光源（210）出来的单光子被输入到光学干涉仪（220）。 光学相位调制器（230）对相应于一个坐标的两张照片的单个光子进行相位调制。 相位调制单光子通过基于光纤的量子通道（240）传输。 光相位调制器（250）调制相位未被调制的另一单个光子的相位。 两个单张照片分成光学干涉仪（260）。 在单个光子检测器（270）中检测重叠的光子。