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51. 发明专利

JP2006049674A Light source for optical communication and control method therefor 审中-公开
标题翻译：光通信用光源及其控制方法
公开(公告)号：JP2006049674A
公开(公告)日：2006-02-16
申请号：JP2004230458
申请日：2004-08-06
申请人： Nippon Telegr & Teleph Corp , 日本電信電話株式会社
发明人： KAWAI SHINGO , MATSUMOTO KIYOSHI , IWATSUKI KATSUMI , YOSHIMOTO NAOTO
IPC分类号： H01S5/0683 , H01S5/0687
摘要： PROBLEM TO BE SOLVED: To make it unnecessary to provide any extremely complicate setting/control or require an extremely expensive optical component (wavelength locker), and to easily and inexpensively execute the setting/control of light output wavelength and light output power. SOLUTION: At least one value for determining the dependency of the driving currents of light output wavelength in a light emitting element configuring a first means 1 which generates a light output on an element temperature, and at least one value for determining the dependency of the driving currents of a light output power on the element temperature, are stored in a fourth means 4. Driving currents or light output power (c) and an element temperature (d), for which both the light output wavelength and light output power of the light emitting element are separately set as a designated value (b), are determined from a relation of the driving currents, element temperature and light output wavelength of the light emitting element, and a relation of the driving currents, element temperature and light output power to be determined from at least one value by a fifth means 5. These are applied as target values in a second means 2 and a third means 3. COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：为了不需要提供任何非常复杂的设置/控制或需要非常昂贵的光学部件（波长锁定器），并且容易且廉价地执行光输出波长和光输出功率的设置/控制。解决方案：在构成第一装置1的发光元件中产生光输出元件温度的至少一个值用于确定光输出波长的驱动电流的依赖性，以及用于确定依赖性的至少一个值光输出功率对元件温度的驱动电流存储在第四装置4中。驱动电流或光输出功率（c）和元件温度（d），其对于光输出波长和光输出功率根据驱动电流，元件温度和发光元件的光输出波长的关系以及驱动电流，元件温度和光的关系来确定发光元件被分别设置为指定值（b）输出功率由至少一个值由第五装置5确定。这些被用作第二装置2和第三装置3中的目标值。（C）2006年，JPO和NCIPI

52. 发明专利

JP2005080243A Optical transmitting/receiving device 审中-公开
标题翻译：光传输/接收设备
公开(公告)号：JP2005080243A
公开(公告)日：2005-03-24
申请号：JP2003312022
申请日：2003-09-03
申请人： Nippon Telegr & Teleph Corp , 日本電信電話株式会社
发明人： OGAWA TORU , YOSHIMOTO NAOTO , YAMAGUCHI AKIO
IPC分类号： H04B10/29 , H04B10/299 , H04J14/00 , H04J14/02 , H04B10/16 , H04B10/17
摘要： PROBLEM TO BE SOLVED: To reduce a space for disposing an optical transmitting/receiving device and its power, and to make a connection between optical transmitting/receiving devices useless.
SOLUTION: In a terminal station (A) 19, the optical transmitting/receiving devices 22-1 to 23-n are disposed, and the optical transmitting/receiving devices 23-1 to 23-n are disposed in an opposite terminal station (B) 20. In a relay station 21, the optical transmitting/receiving devices 24-1 to 24-n each provided with a pair of ports are disposed, in which one of ports is provided with optical transceivers 25-1 to 25-n each having a pluggable structure opposing to the optical transmitting/receiving devices 22-1 to 22-n of the terminal station 19, and the other port is provided with the optical transceivers 26-1 to 26-n each having a pluggable structure opposing to the optical transmitting/receiving devices 23-1 to 23-n of the terminal station 20. Thereby a relay transmission can be performed between the terminal station (A) 19 and the terminal station (B) 20.
COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：为了减少用于设置光学发射/接收装置的空间及其功率，并且使光发送/接收装置之间的连接成为无用的。解决方案：在终端站（A）19中，设置光发送/接收设备22-1至23-n，光发送/接收设备23-1至23-n设置在相对的终端站（B）20.在中继站21中，设置有分别具有一对端口的光发送/接收设备24-1至24-n，其中一个端口设置有光收发器25-1至25 - 每个都具有与终端站19的光发送/接收设备22-1至22-n相对的可插拔结构，另一个端口设置有每个具有可插拔结构的光收发器26-1至26-n 与终端站20的光发送/接收设备23-1至23-n相对。因此，可以在终端站（A）19和终端站（B）20之间执行中继传输。版权所有：（C）2005，JPO＆NCIPI

53. 发明专利

JP2005078036A Wdm filter module and optical transceiver module 审中-公开
标题翻译： WDM滤波模块和光收发模块
公开(公告)号：JP2005078036A
公开(公告)日：2005-03-24
申请号：JP2003312021
申请日：2003-09-03
申请人： Nippon Telegr & Teleph Corp , 日本電信電話株式会社
发明人： OGAWA TORU , YOSHIMOTO NAOTO , YAMAGUCHI AKIO
IPC分类号： G02B6/42 , G02B6/293 , H04B10/27 , H04B10/272 , H04B10/29 , H04B10/02
摘要： PROBLEM TO BE SOLVED: To provide a WDM transmission system is mall in installation space, simple in wiring configuration and high in economical performance. SOLUTION: In an optical transceiver 50, which transmits and receives a plurality of optical signals different in wavelength by using an optical fiber 57 that is connected to an installation station, a WDM filter module 56 is provided with an optical connector 63 which is a common port to make a connection with the optical fiber 57, an optical connector 61 which fits to an optical connector 55 of the optical transceiver 50 for the optical transceiver, an optical connector 64 which is an input out port and inputs and outputs a plurality of optical signals being used by other optical transceivers different in wavelength through a single optical fiber and a WDM section 62 which conducts multiplexing and demultiplexing between the optical signals being used by the optical transceiver 50 and a plurality of optical signals being used by the other optical transceivers and a plurality of optical signals being transceived with the installation station. COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：提供WDM传输系统是安装空间商城，布线配置简单，经济性好。解决方案：在通过使用连接到安装站的光纤57来发送和接收波长不同的多个光信号的光收发器50中，WDM滤波器模块56设置有光连接器63，光连接器63 是与光纤57连接的公共端口，适合于用于光收发器的光收发器50的光连接器55的光连接器61，作为输入输出端口的光连接器64，并输入和输出多个光信号由通过单个光纤的波长不同的其他光收发器和WDM部分62使用，WDM部分62在由光收发器50使用的光信号之间进行复用和解复用以及由另一个使用的多个光信号光收发器和与安装站收发的多个光信号。版权所有（C）2005，JPO＆NCIPI

54. 发明专利

JP2004139122A Semiconductor embedded optical modulator 审中-公开
公开(公告)号：JP2004139122A
公开(公告)日：2004-05-13
申请号：JP2003423184
申请日：2003-12-19
申请人： Nippon Telegr & Teleph Corp , 日本電信電話株式会社
发明人： YOSHIMOTO NAOTO , TSUZUKI TAKESHI
IPC分类号： G02F1/017
摘要： PROBLEM TO BE SOLVED: To provide a semiconductor embedded optical modulator to be used for optical communication. SOLUTION: The semiconductor modulator has an active layer part 11 and a guide layer part 12 on a substrate having a first conductivity type. The active layer part 11 has a mesa stripe structure comprising a first clad layer having the first conductivity type, a first core layer, a second clad layer having a second conductivity type and a contact layer having the second conductivity type, while the guide layer part 12 has a mesa stripe structure comprising a second core layer having a band gap larger than that of the first core layer, and a third clad layer, with the second core layer connected to the first core layer at both ends in the optical axial direction. In this modulator, only the side faces of the above guide layer part 12 are embedded in a semiconductor layer having semi-insulating property in the mesa stripe structure comprising the active layer part 11 and the guide layer part 12. COPYRIGHT: (C)2004,JPO

55. 发明专利

JP2014230161A 光スイッチモジュール及び光切替装置有权
标题翻译：光开关模块和光开关器件
公开(公告)号：JP2014230161A
公开(公告)日：2014-12-08
申请号：JP2013109295
申请日：2013-05-23
申请人：日本電信電話株式会社 , Nippon Telegr & Teleph Corp
发明人： KIMURA YASUTAKA , MITSUI TAKASHI , SAKAMOTO TAKESHI , YOSHIMOTO NAOTO
IPC分类号： H04L12/44
摘要：【課題】本発明は、光スイッチや光スイッチ制御部が故障した場合においても、通信断することなく故障修理が可能な光アクセスプロテクション用の光切替装置を提供することを目的とする。【解決手段】本発明では、光スイッチモジュールは、ONU用多心光ファイバ着脱コネクタと、冗長系OSU12と接続される冗長系OSU用多心光ファイバ着脱コネクタと、ONU用多心光ファイバ着脱コネクタのポートのいずれかと冗長系OSU用多心光ファイバ着脱コネクタとを接続する光スイッチ32と、光スイッチ32の接続を切り替える旨の指示が入力される制御線用電気コネクタ44と、制御線用電気コネクタ44から入力される指示に応じて、光スイッチ32に対し、冗長系OSU用多心光ファイバ着脱コネクタに接続されるONU用多心光ファイバ着脱コネクタのポートを制御する光スイッチ制御部31とを備える。【選択図】図1
摘要翻译：要解决的问题：提供一种即使在光开关或光开关控制部中发生故障的情况下也能够修复故障而无通信中断的光接入保护用光开关装置。解决方案：光开关模块，包括：用于ONU的多芯光纤可拆卸连接器; 用于与冗余系统OSU 12连接的冗余系统OSU的多芯光纤可拆卸连接器; 用于连接用于ONU的多芯光纤可拆卸连接器的任何一个端口的光开关32和用于冗余系统OSU的多芯光纤可拆卸连接器; 用于切换光开关32的连接的指令的控制线的电连接器44; 以及光开关控制部分31，用于响应于从电连接器44输入的指令，用于控制用于光开关32的用于冗余系统OSU的多芯光纤可拆卸连接器的用于ONU的多芯光纤可移除连接器的端口，控制线。

56. 发明专利

JP2014165697A Optical communication system and band allocation method 有权
标题翻译：光通信系统和带分配方法
公开(公告)号：JP2014165697A
公开(公告)日：2014-09-08
申请号：JP2013035397
申请日：2013-02-26
申请人： Nippon Telegr & Teleph Corp , 日本電信電話株式会社
发明人： KUBO SONHIRO , SUZUKI KENICHI , OTA NORIYUKI , TADOKORO MASASHI , YAMADA TAKASHI , YOSHIMOTO NAOTO
IPC分类号： H04L12/44
摘要： PROBLEM TO BE SOLVED: To achieve a low delay fluctuation while maintaining high band utilization efficiency, even for a communication system in which communication services differing in the degree of effects exerted on quality by a delay fluctuation coexist.SOLUTION: Each slave station device 2 notifies a master station device 1 of a requested amount of transmission with regard to uplink data for which the need for suppression of a delay fluctuation is low and uplink data for which the need for suppression of a delay fluctuation is high. The master station device 1 notifies, with regard to the uplink data for which the need for suppression of a delay fluctuation is low, each slave station device 2 of a permitted amount of transmission in a dynamic band allocation period in which a permitted amount of transmission is dynamically allocated for each slave station device 2 and for each allocation period on the basis of the requested amount of transmission notified from each slave station device 2, and notifies, with regard to the uplink data for which the need for suppression of a delay fluctuation is high, each slave station device 2 of a permitted amount of transmission in a discovery period in which an increase and decrease in the number of slave station devices 2 connected to the master station device 1 is periodically confirmed, on the basis of the requested amount of transmission notified from each slave station device 2.
摘要翻译：要解决的问题：为了在保持高频带利用效率的同时实现低延迟波动，即使对于延迟波动对质量产生不同影响的通信服务不同的通信系统也是如此。解决方案：每个从站设备2通知关于需要抑制延迟波动的上行链路数据的请求发送量的主站装置1为低，需要抑制延迟波动的上行数据为高。主站装置1在动态频带分配期间，在允许的发送量的情况下，通知对于需要抑制延迟波动的上行数据较少的各个从站装置2的允许发送量根据从每个从站设备2通知的所请求的发送量，为每个从站设备2动态地分配每个分配周期，并且针对需要抑制延迟波动的上行链路数据通知在与所述主站装置1连接的从站装置2的数量的增减的周期性地确认的发现期间中，允许的发送量的各从属站装置2基于请求量从每个从站设备2通知的传输。

57. 发明专利

JP2014165557A Time synchronization method for optical communication system 有权
标题翻译：光通信系统的时间同步方法
公开(公告)号：JP2014165557A
公开(公告)日：2014-09-08
申请号：JP2013032746
申请日：2013-02-22
申请人： Nippon Telegr & Teleph Corp , 日本電信電話株式会社 , Keio Gijuku , 学校法人慶應義塾
发明人： KUBO SONHIRO , TADOKORO MASASHI , YAMADA TAKASHI , SUZUKI KENICHI , YOSHIMOTO NAOTO , KUBO RYOGO
IPC分类号： H04L12/44
摘要： PROBLEM TO BE SOLVED: To implement time synchronization method using PTP by installing an optical line terminal interpreting PTP in a PON system including an optical network unit not interpreting the PTP.SOLUTION: A time synchronization system comprising a PON system, a time synchronization master 82, and a time synchronization slave 83 includes an optical line terminal 10 having a packet delay fluctuation correction function which determines a PTP packet and delays the PTP packet so that propagation delay between the time synchronization master 82 and time synchronization slave 83 is constant.
摘要翻译：要解决的问题：通过在包括不解释PTP的光网络单元的PON系统中安装解释PTP的光线路终端来实现使用PTP的时间同步方法。解决方案：包括PON系统的时间同步系统，时间同步主机82 并且时间同步从机83包括具有分组延迟波动校正功能的光线路终端10，其确定PTP分组并延迟PTP分组，使得时间同步主机82与时间同步从机83之间的传播延迟恒定。

58. 发明专利

JP2014164195A Optical modem device 有权
标题翻译：光学调制解调器
公开(公告)号：JP2014164195A
公开(公告)日：2014-09-08
申请号：JP2013036421
申请日：2013-02-26
申请人： Nippon Telegr & Teleph Corp , 日本電信電話株式会社 , Tohoku Univ , 国立大学法人東北大学
发明人： FUKADA YOICHI , KANI JUNICHI , TERADA JUN , YOSHIMOTO NAOTO , OTSUJI TAIICHI , VICTOR RYZHII
IPC分类号： G02F1/025 , G02F2/00 , H01L29/06 , H01L29/66
摘要： PROBLEM TO BE SOLVED: To improve modulation/demodulation efficiency of an optical modem device that operates in a terahertz frequency region using graphene.SOLUTION: An optical modem device comprises: an optical waveguide; a graphene double layer including an insulating film interposed between a first graphene layer and a second graphene layer; a first metal electrode connected to one end of the first graphene layer; and a second metal electrode connected to one end of the second graphene layer. At least one of the first graphene layer and the second graphene layer is arranged so that photoexcited carriers are generated by an electric field of propagation light in the optical waveguide. The insulating film is composed of a material that injects the photoexcited carriers generated by the at least one of the first graphene layer and the second graphene layer through the insulating film into the other.
摘要翻译：要解决的问题：提高使用石墨烯在太赫兹频率区域中工作的光调制解调器装置的调制/解调效率。解调：光调制解调器装置包括：光波导; 石墨烯双层，包括介于第一石墨烯层和第二石墨烯层之间的绝缘膜; 连接到第一石墨烯层的一端的第一金属电极; 以及连接到第二石墨烯层的一端的第二金属电极。布置第一石墨烯层和第二石墨烯层中的至少一个，使得光激发载流子由光波导中的传播光的电场产生。绝缘膜由将第一石墨烯层和第二石墨烯层中的至少一个所产生的光激发载流子从绝缘膜注入另一方的材料构成。

59. 发明专利

JP2014155020A Station side device and subscriber side device 有权
标题翻译：站台设备和订户侧设备
公开(公告)号：JP2014155020A
公开(公告)日：2014-08-25
申请号：JP2013022666
申请日：2013-02-07
申请人： Nippon Telegr & Teleph Corp , 日本電信電話株式会社
发明人： UJIKAWA HIROTAKA , YAMADA TAKASHI , YOSHIMOTO NAOTO
IPC分类号： H04L12/44
摘要： PROBLEM TO BE SOLVED: To provide a technique preventing frame discard caused by buffer overflow and control of polishing or the like in a device having low burst tolerance, with low power consumption achieved by making the sleep of a communication apparatus effective.SOLUTION: In a terminal that receives a plurality of frames having narrowed frame intervals by the sleep, buffer overflow is prevented by transmission with broadened frame intervals, and the power consumption is reduced by the sleep function.
摘要翻译：要解决的问题：提供一种在具有低突发容限的设备中提供防止由缓冲器溢出引起的帧丢弃和抛光等的技术，通过使通信设备的睡眠有效地实现低功耗。解决方案：在通过睡眠接收具有变窄的帧间隔的多个帧的终端，通过扩大的帧间隔的传输来防止缓冲区溢出，并且通过睡眠功能降低功耗。

60. 发明专利

JP2014150436A Power saving send-receive method for subscriber side device 审中-公开
标题翻译：用于订户侧设备的省电发送接收方法
公开(公告)号：JP2014150436A
公开(公告)日：2014-08-21
申请号：JP2013018524
申请日：2013-02-01
申请人： Nippon Telegr & Teleph Corp , 日本電信電話株式会社
发明人： YAMADA TAKASHI , UJIKAWA HIROTAKA , YOSHIMOTO NAOTO
IPC分类号： H04L12/44
摘要： PROBLEM TO BE SOLVED: To provide lower power consumption than the conventional by mounting such timers as to completely block power supply for a prescribed time on all functions of ONU.SOLUTION: The subscriber side device comprises: a send-receive function section that sends and receives an optical signal to/from a station-side device connected with a PON (Passive Optical Network); a switch 12 that supplies electric power input from the outside to the send-receive function section; and a mode control section that switches between a first mode for stopping power supply to the send-receive function section for the switch 12 and a second mode for supplying electric power to the send-receive function section for the switch 12 for each preset time.
摘要翻译：要解决的问题：通过安装这样的定时器来提供比常规的更低的功耗，以便在ONU的所有功能上完全阻断规定时间的电源。解决方案：用户侧设备包括：发送接收功能部分，从与PON（无源光网络）连接的站侧设备接收光信号; 将从外部输入的电力供给到发送接收功能部的开关12; 以及模式控制部分，用于在针对开关12的发送接收功能部分停止供电的第一模式和在每个预设时间内向开关12的发送 - 接收功能部分供电的第二模式。

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