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1. 发明授权

US07272318B2 Passive optical network employing multi-carrier code division multiple access 失效
标题翻译：被动光网络采用多载波码分多址
公开(公告)号：US07272318B2
公开(公告)日：2007-09-18
申请号：US10770370
申请日：2004-02-02
申请人： Ki-Cheol Lee , Jong-Kwon Kim , Hak-Phil Lee , Jun-Ho Koh , Jong-Hun Lee , Tae-Sung Park
发明人： Ki-Cheol Lee , Jong-Kwon Kim , Hak-Phil Lee , Jun-Ho Koh , Jong-Hun Lee , Tae-Sung Park
IPC分类号： H04J14/08
CPC分类号： H04J14/007 , H04J14/0226 , H04J14/0246 , H04J14/0247 , H04J14/025 , H04J14/0252 , H04J14/0282 , H04L5/0021
摘要： A passive optical network (PON) for providing a large amount of data at high speed to subscribers is provided. In particular, a PON employing a multi-carrier CDMA in which a CDMA method is applied for an upstream signal is provided. The PON employing a multi-carrier CDMA includes: optical network terminals (ONTs) for transmitting CDMA-based data using multiple carriers to an optical line terminal (OLT) and for receiving Ethernet-based data transmitted from the OLT; the OLT for transforming CDMA-based data received from the ONT into Ethernet-based data, for transmitting the Ethernet-based data to a higher network, and for transmitting Ethernet-based date to the ONTs; and an optical coupler for coupling CDMA-based optical signals transmitted from the ONTs, for transmitting the coupled optical signal to the OLT, and for distributing an Ethernet-based optical signal transmitted from the OLT to the ONTs.
摘要翻译：提供了一种用于向用户高速提供大量数据的无源光网络（PON）。特别地，提供了一种采用CDMA方法应用于上行信号的多载波CDMA的PON。采用多载波CDMA的PON包括：用于向光线路终端（OLT）发送使用多个载波的基于CDMA的数据并用于接收从OLT发送的基于以太网的数据的光网络终端（ONT）用于将从ONT接收的基于CDMA的数据转换成基于以太网的数据的OLT，用于将基于以太网的数据发送到较高的网络，以及用于将基于以太网的日期传送到ONT; 以及光耦合器，用于耦合从ONT发送的基于CDMA的光信号，用于将耦合的光信号发送到OLT，并用于将从OLT发送的基于以太网的光信号分发到ONT。

2. 发明授权

US07167302B2 Gain-flattened wideband erbium-doped optical fiber amplifier 失效
标题翻译：增益平坦的宽带掺铒光纤放大器
公开(公告)号：US07167302B2
公开(公告)日：2007-01-23
申请号：US10674102
申请日：2003-09-29
申请人： Jong-Hun Lee , Se-Kang Park , Hak-Phil Lee , Ki-Cheol Lee , Jong-Kwon Kim , Sang-Hyun Doh , Sang-Il Lee
发明人： Jong-Hun Lee , Se-Kang Park , Hak-Phil Lee , Ki-Cheol Lee , Jong-Kwon Kim , Sang-Hyun Doh , Sang-Il Lee
IPC分类号： H01S3/00
CPC分类号： H01S3/094003 , H01S3/06754 , H01S3/094023 , H01S3/2383 , H01S2301/04
摘要： A wideband erbium-doped optical fiber amplifier is disposed among an optical fiber through which a first and second band-band optical signals (for example, the C-band and L-band) are transmitted and forms a first optical path and a second optical path parallel to each other. The wideband erbium-doped optical fiber amplifier comprising a first amplifying section disposed on the first optical path, including a first erbium-doped optical fiber to amplify the first-band optical signals, a filter to gain-flatten the amplified first-band optical signals, wherein a reflected portion of the first band optical signal by the filter is directed to the second optical path; and a second amplifying section disposed on the second optical path, having a second erbium-doped optical fiber to amplify received second-band optical signals, wherein the reflected first-band optical signal is used to pump the second erbium-doped optical fiber.
摘要翻译：宽带掺铒光纤放大器设置在第一和第二带隙光信号（例如，C波段和L波段）之间的光纤中，并形成第一光路和第二光路路径彼此平行。宽带掺铒光纤放大器，包括设置在第一光路上的第一放大部分，包括第一掺铒光纤以放大第一波段光信号;滤波器，用于对放大的第一波段光信号进行平坦化其中，所述滤波器的所述第一频带光信号的反射部分被引导到所述第二光路; 以及第二放大部分，其设置在所述第二光路上，具有第二掺铒光纤以放大所接收的第二带光信号，其中所述反射的第一带光信号用于泵浦所述第二掺铒光纤。

3. 发明授权

US07133609B2 Bidirectional WDM self-healing ring network 失效
标题翻译：双向WDM自愈环网
公开(公告)号：US07133609B2
公开(公告)日：2006-11-07
申请号：US10446523
申请日：2003-05-28
申请人： Jong-Kwon Kim , Sang-Hyun Doh , Yun-Je Oh , Ki-Cheol Lee , Jong-Hun Lee , Hak-Phil Lee , Se-Kang Park
发明人： Jong-Kwon Kim , Sang-Hyun Doh , Yun-Je Oh , Ki-Cheol Lee , Jong-Hun Lee , Hak-Phil Lee , Se-Kang Park
IPC分类号： H04B10/00
CPC分类号： H04J14/0291 , H04J14/0212 , H04J14/0213 , H04J14/0283
摘要： A bidirectional WDM self-healing ring network is provided and includes an outer ring network and an inner network for processing N units of optical signals and for performing a protection switching by using the outer ring network when the inner ring network suffers a link failure.
摘要翻译：提供了一种双向WDM自愈环网，包括外环网络和内网，用于处理N个光信号单元，并且在内环网遭受链路故障时，通过使用外环网进行保护倒换。

4. 发明授权

US07298976B2 Bi-directional optical cross-connect device 失效
标题翻译：双向光交叉设备
公开(公告)号：US07298976B2
公开(公告)日：2007-11-20
申请号：US10712962
申请日：2003-11-13
申请人： Jong-Kwon Kim , Ki-Cheol Lee , Jun-Ho Koh
发明人： Jong-Kwon Kim , Ki-Cheol Lee , Jun-Ho Koh
IPC分类号： H04J14/02
CPC分类号： H04Q11/0005 , H04J14/0206 , H04J14/021 , H04J14/0213 , H04J14/0216 , H04Q2011/0035
摘要： Disclosed is an optical cross-connect device for communication between first and second optical networks communicating with each other using forward and backward optical signals each including of a plurality of channels. The device includes a first circulating part having first through fourth ports configured to output an optical signal, which is input to a higher-order port thereof, from a lower-order port thereof arranged adjacent to the higher-order port. The first circulating part is connected at the first and third ports thereof to a first optical network. A second circulating part has first through fourth ports configured to output an optical signal, which is input to a higher-order port thereof, from a lower-order port thereof arranged adjacent to the higher-order port. A first reflecting part is connected to respective second ports of the first and second circulating parts, and adapted to selectively reflect each channel of a forward optical signal which is input thereto or allow the channel to pass therethrough, and a second reflecting part is connected to respective fourth ports of the first and second circulating parts, and adapted to selectively reflect each channel of a backward optical signal which is input thereto or allow the channel to pass therethrough.
摘要翻译：公开了一种用于在使用包括多个信道的前向和后向光信号彼此通信的第一和第二光网络之间进行通信的光交叉连接装置。该装置包括具有第一至第四端口的第一循环部件，其被配置为从与高端口相邻布置的低级端口输出从其高级端口输入的光信号。第一循环部分在其第一和第三端口连接到第一光网络。第二循环部分具有第一至第四端口，被配置为从与高阶端口相邻布置的低级端口输出从其高阶端口输入的光信号。第一反射部分连接到第一和第二循环部分的相应的第二端口，并且适于选择性地反射输入到其中的前向光信号的每个通道或允许通道穿过其中，并且第二反射部分连接到相应的第一和第二循环部分的第四端口，并且适于选择性地反射输入到其中的反向光信号的每个通道，或允许通道通过。

5. 发明授权

US07103241B2 Optical switching device 失效
标题翻译：光开关器件
公开(公告)号：US07103241B2
公开(公告)日：2006-09-05
申请号：US10686821
申请日：2003-10-16
申请人： Jong-Kwon Kim , Ki-Cheol Lee , Jun-Ho Koh
发明人： Jong-Kwon Kim , Ki-Cheol Lee , Jun-Ho Koh
IPC分类号： G02B6/26
CPC分类号： H04Q11/0005 , H04Q2011/0032 , H04Q2011/0035
摘要： An optical switching device has a plurality of input ports, and a plurality of output ports, that uses only circulators and reflectors to perform optical switching. A plurality of circulators each having a plurality of ports while operating to output an optical signal are input to a higher-order port thereof, to a lower-order port thereof arranged adjacent to the higher-order port. Each of the circulators being connected at a highest-order port thereof to an associated one of the input ports, at a lowest-order port thereof to an associated one of the output ports, and at each intermediate port thereof to a corresponding intermediate port of another one of the circulators. A plurality of reflectors each of which is adapted to reflect an optical signal, inputted thereto, or to allow the optical signal to pass there through. Each of the reflectors being connected between two intermediate ports of every two of the circulators connected to each other at the two intermediate ports. An optical signal input to an associated one of the input ports is output to an associated one of the output ports via at least one of the circulators.
摘要翻译：光开关装置具有多个输入端口和多个输出端口，其仅使用循环器和反射器进行光切换。在操作以输出光信号的同时具有多个端口的多个循环器被输入到其高阶端口，被连接到与较高端口相邻布置的低阶端口。每个循环器以其最高阶端口连接到相关联的一个输入端口，其最低阶端口连接到相关联的一个输出端口，并且在其每个中间端口处于相应的中间端口另一个循环器。多个反射器，每个反射器适于反射输入的光信号，或允许光信号通过。每个反射器连接在两个中间端口处彼此连接的每两个循环器的两个中间端口之间。输入到相关联的一个输入端口的光信号经由循环器中的至少一个输出到相关联的一个输出端口。

6. 发明授权

US07292784B2 High speed optical routing apparatus and method 失效
标题翻译：高速光路由设备及方法
公开(公告)号：US07292784B2
公开(公告)日：2007-11-06
申请号：US10792584
申请日：2004-03-03
申请人： Ki-Cheol Lee , Jong-Kwon Kim , Jun-Ho Koh , Sang-Hyun Doh , Se-Kang Park
发明人： Ki-Cheol Lee , Jong-Kwon Kim , Jun-Ho Koh , Sang-Hyun Doh , Se-Kang Park
IPC分类号： H04J14/02
CPC分类号： H04Q11/0005 , H04Q11/0066 , H04Q11/0071
摘要： A high speed optical routing apparatus and method, in which data traffic, such as an IP packet, an Ethernet frame, etc., is switched in an optical frame unit at a high speed. The apparatus is provided with a plurality of input and output ports, and with one add port for adding data received from a lower IP router, and one drop port for dropping processed data toward the lower IP router. A header wavelength dividing unit extracts the header wavelength signals from among input optical signals inputted through the input ports and the add port. The header wavelength signals contain header information on data wavelength signals contained in the input optical signals. An optical signal inputting section demultiplexes optical signals having the data signals according to the wavelength, and for dividing and inputting the wavelength-based demultiplexed data wavelength signals according to a frame. The data wavelength signals are divided with the header wavelength signals through the header wavelength dividing section, an optical switch for switching the frame-based divided optical signals outputted from the optical signal inputting, an optical signal outputting section for combining the frame-based divided optical signals switched and outputted at the optical switch, for wavelength-multiplexing the combined optical signals into one output optical signal and for outputting the multiplexed output optical signal, a controlling section for controlling the optical signal inputting section, the optical switch and the optical signal outputting section.
摘要翻译：高速光路由装置和方法，其中诸如IP分组，以太网帧等的数据业务以高速度切换到光学帧单元中。该装置具有多个输入和输出端口，并且具有用于添加从较低IP路由器接收的数据的一个添加端口和用于将处理后的数据向下IP路由器丢弃的一个丢弃端口。标题波长分割单元从通过输入端口和加法端口输入的输入光信号中提取标题波长信号。标题波长信号包含关于包含在输入光信号中的数据波长信号的标题信息。光信号输入部根据波长对具有数据信号的光信号进行解复用，并根据帧分割输入基于波长的解复用数据波长信号。数据波长信号通过标题波长分割部分与标题波长信号分开，用于切换从光信号输入输出的基于帧的划分的光信号的光开关，用于组合基于帧的分割光信号的光信号输出部分信号在光开关处切换并输出，用于将组合的光信号波长复用为一个输出光信号并输出多路复用的输出光信号;控制部分，用于控制光信号输入部分，光开关和光信号输出部分。

7. 发明授权

US07330650B2 Bi-directional wavelength division multiplexing self-healing optical ring network 失效
标题翻译：双向波分复用自愈光环网
公开(公告)号：US07330650B2
公开(公告)日：2008-02-12
申请号：US10781037
申请日：2004-02-18
申请人： Jong-Kwon Kim , Ki-Cheol Lee , Jun-Ho Koh
发明人： Jong-Kwon Kim , Ki-Cheol Lee , Jun-Ho Koh
IPC分类号： H04J14/02
CPC分类号： H04J14/0291 , H04J14/02 , H04J14/0283
摘要： A bi-directional wavelength division multiplexing self-healing optical ring network is disclosed, in which N optical signals are processed at both first and second ring network so that a protection switch mechanism is performed when a link failure occurs in any one of the first and second ring networks. The bi-directional WDM self-healing optical ring network includes a plurality of nodes having optical add/drop multiplexers, each being provided on the first and second ring networks and further including a demultiplexer and a multiplexer, each of which has a capacity of 1×N; a pair of switching devices provided across the first and second ring networks and connected between the optical add/drop multiplexers and fiber optic links connected with another node; and, wavelength interleavers, each being provided on both ends of each optical add/drop multiplexer provided on the first and second ring networks, includes three ports, of which one port is connected to each switching device and allows for passing signals of all wavelength bands, another port allows for passing only signals of some wavelength bands processed on any one of the first and second ring networks, and the third port allows for passing only signals of the other wavelength bands processed on the other.
摘要翻译：公开了一种双向波分复用自愈光环网，其中在第一和第二环网处理N个光信号，使得当链路故障发生在第一和第二环网中的任何一个时执行保护切换机制第二环网络。双向WDM自愈光环网包括具有光分插复用器的多个节点，每个节点都设置在第一和第二环网上，并且还包括解复用器和多路复用器，其中每个具有1xN的容量 ; 一对交换装置，设置在第一和第二环形网络之间并且连接在光学分插复用器和与另一节点连接的光纤链路之间; 并且每个设置在第一和第二环形网络上的每个光分插复用器的两端上设置的波长交织器包括三个端口，其中一个端口连接到每个开关装置，并允许通过所有波段的信号另一个端口仅允许在第一和第二环网中的任何一个上处理的一些波长带的信号通过，并且第三端口允许仅传递在另一个上处理的其它波长带的信号。

8. 发明授权

US07277639B2 Bi-directional optical add/drop multiplexer for WDM optical networks 失效
标题翻译：用于WDM光网络的双向光分插复用器
公开(公告)号：US07277639B2
公开(公告)日：2007-10-02
申请号：US10754030
申请日：2004-01-08
申请人： Jong-Kwon Kim , Ki-Cheol Lee , Seong-Taek Hwang , Jun-Ho Koh
发明人： Jong-Kwon Kim , Ki-Cheol Lee , Seong-Taek Hwang , Jun-Ho Koh
IPC分类号： H04J14/02
CPC分类号： H04J14/0213 , H04J14/0212 , H04J14/0216
摘要： Disclosed is a bi-directional optical add/drop multiplexer connected to an optical fiber for transmitting optical signals multiplexed in a wavelength division multiplexing optical network and which performs adding/dropping of the optical signals. The optical add/drop multiplexer includes a first wavelength division multiplexer provided with a multiplexing port functioning as a path for forward or backward optical signals and with a plurality of demultiplexing ports, each functioning as a path of demultiplexed channels. A plurality of add/drop parts, each performing adding/dropping of preset channels, and connected with the demultiplexing ports of the first wavelength division multiplexer in one-to-one. A second wavelength division multiplexer connected with the plurality of add/drop parts in one-to-one, provided with a plurality of demultiplexing ports, each functioning as a path for demultiplexed channels and with a multiplexing port functioning as a path for forward or backward optical signals. The first wavelength division multiplexer has a free spectral range equal to that of the second wavelength division multiplexer, in which a wavelength band of the forward optical signals is included in the free spectral range having one period, while a wavelength band of the backward optical signals is included in the free spectral range having another period.
摘要翻译：公开了一种连接到光纤的双向光分插复用器，用于传输在波分复用光网络中复用的光信号，并执行光信号的加/减。光分插复用器包括：第一波分多路复用器，其配置有用作前向或后向光信号的路径的多路复用端口，以及多个解复用端口，每个用作解复用信道的路径。多个加/减部分，各自执行预设通道的添加/删除，并且与第一波分多路复用器的解复用端口一一对应连接。一个第二波分多路复用器与一对一的多个加/减部分连接，设置有多个解复用端口，每个解复用端口用作解复用信道的路径，并且具有用作前向或后向路径的复用端口光信号。第一波分复用器具有等于第二波分复用器的自由频谱范围，其中正向光信号的波段包括在具有一个周期的自由频谱范围内，而反向光信号的波段被包括在具有另一个周期的自由光谱范围内。

9. 发明授权

US07006723B2 Optical add/drop multiplexer 失效
标题翻译：光分插复用器
公开(公告)号：US07006723B2
公开(公告)日：2006-02-28
申请号：US10681923
申请日：2003-10-09
申请人： Jong-Kwon Kim , Yun-Je Oh , Jun-Ho Koh , Ki-Cheol Lee
发明人： Jong-Kwon Kim , Yun-Je Oh , Jun-Ho Koh , Ki-Cheol Lee
IPC分类号： G02B6/28
CPC分类号： G02B6/12009 , H04J14/0212
摘要： An optical add/drop multiplexer includes a multiplexing/demultiplexing unit having an input multiplexing port, an output multiplexing port and a plurality of demultiplexing ports each connected to a respective optical circulator. Each optical circulator includes a first port for internally inputting an added channel, a second port for outputting the added channel to a corresponding demultiplexing port and receiving a channel outputted by the corresponding demultiplexing port, and a third port for outputting the channel received from the second port. Each of optical switches is located between adjacent circulators, wherein each optical switch includes a first input port, coupled to the third port of one optical circulator, for receiving the channel from the third port, a second input port for receiving an externally added channel, a first output port, coupled to another first port of another optical circulator, for outputting the added channel to another first port, and a second output port for externally outputting the channel inputted through the first input port according to the dropping operation.
摘要翻译：光分插复用器包括具有输入多路复用端口，输出多路复用端口和多个解复用端口的复用/解复用单元，每个解复用端口连接到相应的光循环器。每个光循环器包括用于内部输入附加通道的第一端口，用于将相加的信道输出到相应的解复用端口并接收由相应的解复用端口输出的信道的第二端口，以及用于输出从第二端口接收的信道的第三端口港口。每个光开关位于相邻循环器之间，其中每个光开关包括耦合到一个光循环器的第三端口的第一输入端口，用于从第三端口接收通道，用于接收外部添加的通道的第二输入端口，第一输出端口，耦合到另一个光环行器的另一个第一端口，用于将附加的信道输出到另一个第一端口;以及第二输出端口，用于根据丢弃操作从外部输出通过第一输入端口输入的信道。

10. 发明授权

US07330656B2 Passive optical network employing code division multiple access 失效
标题翻译：无源光网络采用码分多址
公开(公告)号：US07330656B2
公开(公告)日：2008-02-12
申请号：US10651746
申请日：2003-08-29
申请人： Ki-Cheol Lee , Yun-Je Oh , Tae-Sung Park , Jong-Kwon Kim
发明人： Ki-Cheol Lee , Yun-Je Oh , Tae-Sung Park , Jong-Kwon Kim
IPC分类号： H04J13/00
CPC分类号： H04J14/0282 , H04J14/0226 , H04J14/0227 , H04J14/0238 , H04J14/0247 , H04J14/0252 , H04Q11/0067 , H04Q11/0071 , H04Q2011/0064
摘要： A PON and a method of transmitting data employing different upstream and downstream transmission protocols are disclosed. The PON includes: a plurality of ONTs; WDM filters; an OLT receiving and transmitting optical signals to and from the ONTs and a higher network; and an optical coupler. The ONT includes a first switching unit, a level transformer converting two level Ethernet signals into a three level data signals, a first code generator generating a specific CDMA codes that distinguish the ONT from another ONT, and a first multiplier performing a spread spectrum function with the CDMA codes. The OLT includes an optical receiver, a branching filter branching the upstream CDMA signals, a plurality of second code generators generating codes for despread, a plurality of second multipliers multiplying the received signals by the despread codes, and a plurality of data decider extracting data through correlation calculation.
摘要翻译：公开了PON和使用不同的上行和下行传输协议传输数据的方法。 PON包括：多个ONT; WDM滤波器 OLT接收和发送来自ONT和更高网络的光信号; 和光耦合器。 ONT包括第一开关单元，将两级以太网信号转换成三电平数据信号的电平变换器，产生区分ONT与另一ONT的特定CDMA码的第一码发生器，以及执行扩频功能的第一乘法器， CDMA码。 OLT包括光接收器，分支上行CDMA信号的分支滤波器，多个第二代码生成器产生解扩的代码，多个第二乘法器将接收信号乘以解扩码，以及多个数据判别器提取数据通过相关计算。

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