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    • 1. 发明专利
    • Optical receiver
    • 光接收机
    • JP2012182790A
    • 2012-09-20
    • JP2012026850
    • 2012-02-10
    • Sumitomo Osaka Cement Co LtdTrimatiz:Kk住友大阪セメント株式会社株式会社トリマティス
    • HIKUMA KAORUHAYAMI YUJIKATAOKA TOSHIOOIKAWA YOICHISHIGA NORIYASUOTA KAZUYA
    • H04B10/152H04B10/04H04B10/06H04B10/14H04B10/142H04B10/26H04B10/28
    • PROBLEM TO BE SOLVED: To provide an optical receiver which can be miniaturized, and can reduce a workload for manufacturing or assembly and adjustment of components.SOLUTION: An optical receiver decodes multiple value phase modulation signals corresponding to each polarized wave, using signal light S, in which independent multiple value phase modulation signals are given to two orthogonal polarized waves respectively, and local oscillation light R having the same wavelength and linear polarization as those of the signal light. The optical receiver comprises composite wave signal creation means A constituted by a space optical system for separating the signal light S into two pieces of separation signal light S1, S2 corresponding to the respective polarized waves, separating the local oscillation light R into two pieces of separation local oscillation light R1, R2, synthesizing the two pieces of light S1, S1 and the two pieces of light R1, R2 so that a polarization plane forms a predetermined angle, and forming two composite wave signals L1-L4 for each of the signals S1, S2 and outputting them; and IQ output means B constituted by a space optical system for separating an I signal and a Q signal corresponding to each polarized wave from the signals L1-L4, and outputting them. The signals S and R are incident on the composite wave signal creation means from the same side, and the signals L1-L4 are incident from the opposite side.
    • 要解决的问题:提供可以小型化的光接收机,并且可以减少组件的制造或组装和调整的工作量。 解决方案:光接收机使用信号光S解码对应于每个极化波的多值相位调制信号,其中分别给两个正交偏振波分配独立的多值相位调制信号,并且具有相同的本征振荡光R 波长和线偏振作为信号光。 光接收机包括由空间光学系统构成的复合波信号产生装置A,用于将信号光S分离成对应于各个极化波的两个分离信号光S1,S2,将本地振荡光R分离成两个分离 本地振荡光R1,R2,合成两个光S1,S1和两个光R1,R2,使得偏振面形成预定角度,并且为每个信号S1形成两个复合波信号L1-L4 S2输出; 以及由用于从信号L1-L4分离I信号和对应于每个极化波的Q信号的空间光学系统构成的IQ输出装置B,并输出它们。 信号S和R从同一侧入射到复合波信号产生装置上,信号L1-L4从相对侧入射。 版权所有(C)2012,JPO&INPIT
    • 3. 发明专利
    • 光変調装置
    • 光学调制器
    • JP2014199370A
    • 2014-10-23
    • JP2013075400
    • 2013-03-29
    • 住友大阪セメント株式会社Sumitomo Osaka Cement Co Ltd
    • MIYAZAKI TOKUICHIKATAOKA TOSHIOHOSOKAWA YOICHI
    • G02F1/035
    • G02F1/2255G02F1/0123G02F2001/212
    • 【課題】光導波路素子部を小型化しつつ、複数の相互作用部にそれぞれ電気信号を供給する複数の配線同士の電気損失を同じとする。【解決手段】光導波路素子部4は、光導波路421aと、光導波路421aを導波する光波と相互作用する第1相互作用部431と、第1相互作用部431へ電気信号を入力する第1EO基板線路431Aと、光導波路422aと、光導波路422aを導波する光波と相互作用する第2相互作用部432と、第2相互作用部432へ電気信号を入力する第2EO基板線路432Aとを備える。中継基板部3は、第1中継基板線路31及び第2中継基板線路32と、損失調整部100とを備える。第1EO基板線路431A及び第1中継基板線路31の組における電気損失と、第2EO基板線路432A及び第2中継基板線路32の組における電気損失とが互いに略等しくなるように、電気損失が低い方の組における第1中継基板線路31に損失調整部100を設ける。【選択図】図1
    • 要解决的问题:为了使在多个相互作用部分分别提供电信号的多个电线之间的电损耗相等,同时使光波导元件部件小型化。解决方案:光波导元件部分4包括光波导421a,第一交点 与光波导421a中引导的光波相互作用的部分431,用于向第一相互作用部431输入电信号的第一EO基板线431A,光波导422a,与光波引导相互作用的第二相互作用部432 以及用于向第二相互作用部分432输入电信号的第二EO基板线432A。继电器基板部分3包括第一继电器基板线31,第二继电器基板线32和损耗调整部分 损失调整部100设置在第一继电器基板线31中,具有较低的电损耗,在第一E的一组之间 O基板线431A和第一中继基板线31以及第二EO基板线432A和第二中继基板线32的一组,使得它们之间的电损耗基本相等。
    • 4. 发明专利
    • Optical 90 degree hybrid circuit, and photoreceiver using the same
    • 光学90度混合电路,以及使用它的光电转换器
    • JP2013211690A
    • 2013-10-10
    • JP2012080499
    • 2012-03-30
    • Sumitomo Osaka Cement Co Ltd住友大阪セメント株式会社
    • HAYAMI YUJIKATAOKA TOSHIO
    • H04B10/61
    • H04B10/6166H04B10/614H04J14/0221H04J14/06
    • PROBLEM TO BE SOLVED: To provide an optical 90 degree hybrid circuit and a photoreceiver using the same, capable of easily adjusting optical power ratio between signal light and local oscillation light, with an optical system related to the photoreceiver being suppressed from becoming complicated.SOLUTION: An optical 90 degree hybrid circuit demodulates a multivalent phase modulation signal corresponding to respective polarized waves by multiplexing an optical wave of a predetermined polarized plane contained in signal light with local oscillation light adjusted to circularly-polarized light with the same wavelength as the signal light and then polarizing and splitting the multiplexed light. It includes a polarizing and splitting means (polarizing split) for extracting optical waves of a predetermined polarized plane from the signal light, a polarizing conversion element which rotates a polarized plane extracted from the polarizing and splitting means, and a polarizer which regulates a polarized plane of signal light before multiplexing with the local oscillation light. The polarizing and splitting means cooperates with the polarizing conversion element and the polarizer to adjust optical intensity of the signal light (VOA function).
    • 要解决的问题:为了提供一种光学90度混合电路和使用其的光接收器,能够容易地调节信号光和本地振荡光之间的光功率比,抑制与光接收器相关的光学系统变得复杂。 :光学90度混合电路通过将包含在信号光中的预定偏振平面的光波与被调整为具有与信号光相同波长的圆偏振光的本地振荡光复用来解调与各极化波相对应的多值相位调制信号 然后使多路复用光偏振和分裂。 它包括用于从信号光提取预定极化平面的光波的偏振和分离装置(偏振分割),使从偏振和分离装置提取的偏振面旋转的偏振转换元件和调节极化平面的偏振器 在与本地振荡光复用之前的信号光。 偏振和分离装置与偏振转换元件和偏振器配合以调节信号光的光强度(VOA功能)。
    • 5. 发明专利
    • Optical receiver
    • 光接收机
    • JP2013078034A
    • 2013-04-25
    • JP2011217486
    • 2011-09-30
    • Sumitomo Osaka Cement Co Ltd住友大阪セメント株式会社Trimatiz:Kk株式会社トリマティス
    • HAYAMI YUJIKATAOKA TOSHIOOIKAWA YOICHIOTA KAZUYASHIGA NORIYASU
    • H04B10/516G02F2/00H04B10/61
    • PROBLEM TO BE SOLVED: To provide an optical receiver, which demodulates a DQPSK-modulated optical signal, including a 1-bit delay circuit composed of a spatial optical system, having no optical path difference of differential output light, outputting it in the same direction, and having the spatial optical system made compact.SOLUTION: First optical path correction means of eliminating a difference in optical path length by emitting differential output light in the same direction is provided at a periphery of a first interferometer (mainly a first beam splitter), and a second interferometer (mainly a second beam splitter) is arranged at a periphery of the first interferometer (including the first optical path correction means). Second optical path correction means of eliminating a difference in optical path length by emitting differential output light in the same direction is provided at a periphery of the second interferometer. In the second interferometer, two light waves branched by the first beam splitter incorporated in the first interferometer are multiplexed by the second beam splitter constituting the second interferometer to interfere with each other, and the differential output light is thereby generated.
    • 要解决的问题:提供一种光接收机,其解调包括由空间光学系统组成的1比特延迟电路的DQPSK调制光信号,其不具有差分输出光的光程差,将其输出 相同的方向,并使空间光学系统紧凑。 解决方案:在第一干涉仪(主要是第一分束器)和第二干涉仪(主要是第二干涉仪)的周边设置有通过沿相同方向发射差分输出光来消除光路长度差异的第一光路校正装置 第二分束器)布置在第一干涉仪(包括第一光路校正装置)的周边。 在第二干涉仪的周边设置有通过在相同方向发射差分输出光来消除光程长度差的第二光路校正装置。 在第二干涉仪中,包含在第一干涉仪中的由第一分束器分支的两个光波被构成第二干涉仪的第二分束器多路复用,从而产生差分输出光。 版权所有(C)2013,JPO&INPIT
    • 6. 发明专利
    • Optical element
    • 光学元件
    • JP2012216599A
    • 2012-11-08
    • JP2011079597
    • 2011-03-31
    • Sumitomo Osaka Cement Co Ltd住友大阪セメント株式会社
    • HIKUMA KAORUKATAOKA TOSHIOHAYAMI YUJI
    • H01L31/0232G02B1/02G02B3/00G02B5/30
    • PROBLEM TO BE SOLVED: To provide an optical element in which increase in manufacturing cost and deterioration of condensation tolerance are minimized by decreasing the number of components, and adjustment of optical components is simplified.SOLUTION: In the optical element, at least two input light beams (A, B) are input to a polarization splitter 10, and a plurality of output light beams (a1, a2, b1, b2) consisting of orthogonal polarization light corresponding to each input light beam are output, and then the output light beams impinge on a photodetector 40 while reducing the beam diameter and narrowing the beam interval. Between the polarization splitter 10 and the photodetector 40, an optical path conversion means 51 for converting the optical path so that the plurality of output light beams intersect at a substantially one point (E), and a condensing means 31 for squeezing the beam diameter of each output light beam are formed or fixed in one optical component 50.
    • 要解决的问题:为了提供通过减少部件数量而使制造成本的增加和冷凝公差的劣化最小化的光学元件,并且简化了光学部件的调整。 解决方案:在光学元件中,至少两个输入光束(A,B)被输入到偏振分束器10,并且由正交偏振光组成的多个输出光束(a1,a2,b1,b2) 对应于每个输入光束输出,然后输出光束照射在光电检测器40上,同时减小光束直径并使光束间隔变窄。 在偏振光分离器10和光电检测器40之间,用于转换光路以使多个输出光束基本上与一个点(E)相交的光路转换装置51和用于挤压光束直径的聚光装置31 每个输出光束在一个光学部件50中形成或固定。版权所有:(C)2013,JPO&INPIT
    • 7. 发明专利
    • Optical element
    • 光学元件
    • JP2012203334A
    • 2012-10-22
    • JP2011070240
    • 2011-03-28
    • Sumitomo Osaka Cement Co LtdTrimatiz:Kk住友大阪セメント株式会社株式会社トリマティス
    • HIKUMA KAORUHAYAMI YUJIKATAOKA TOSHIOOIKAWA YOICHISHIGA NORIYASUOTA KAZUYA
    • G02B6/32G02B1/02G02B3/00G02B3/02G02B6/34
    • PROBLEM TO BE SOLVED: To provide an optical element which reduces the number of components and suppresses manufacturing costs from being increased or convergence tolerance from being deteriorated.SOLUTION: In an optical element, two light beams (A and B) are inputted to a birefringence material 10, four output light beams comprised of normal light beams (a1 and b1) and abnormal light beams (a2 and b2) corresponding to the input light beams are outputted, and the output light beams are made incident to a light-receiving element 40 while reducing a beam diameter and narrowing a beam interval. In the optical element, in an output terminal of the birefringence material 10, optical path conversion means 20 is disposed which converts an optical path in such a manner that the four output light beams (a1, a2, b1 and b2) cross approximately at one point (chain line D) and between the crossing point and the light-receiving element 40, convergence means 30 is provided which reduces the beam diameter of each output light beam.
    • 要解决的问题:提供一种光学元件,其减少部件数量并抑制制造成本增加或会聚容限不劣化。 解决方案:在光学元件中,将两个光束(A和B)输入到双折射材料10,由正常光束(a1和b1)和异常光束(a2和b2)组成的四个输出光束对应于 输出光束,输出光束入射到光接收元件40,同时减小光束直径并缩小光束间隔。 在光学元件中,在双折射材料10的输出端子中,设置光路转换装置20,以使四个输出光束(a1,a2,b1,b2)大致相交一个的方式转换光路 点(链线D)之间并且在交叉点和受光元件40之间,设置会聚装置30,其减小了每个输出光束的光束直径。 版权所有(C)2013,JPO&INPIT
    • 8. 发明专利
    • Light receiver
    • 光接收器
    • JP2011217056A
    • 2011-10-27
    • JP2010082188
    • 2010-03-31
    • Sumitomo Osaka Cement Co Ltd住友大阪セメント株式会社
    • KATAOKA TOSHIOHIKUMA KAORUKANEHARA YUUKISHINOZAKI MINORUKOSUGI JUNICHI
    • H04B10/40H04B10/2507H04B10/50H04B10/516H04B10/548H04B10/60H04B10/61H04L27/22
    • PROBLEM TO BE SOLVED: To provide a light receiver which can prevent characteristic degradation of the light receiver that demodulates a DQPSK modulated light signal into a multilevel phase modulated signal.SOLUTION: Polarized wave split means 201 for splitting the light signal into two light waves whose polarization planes are orthogonal to each other, first split means for splitting one of split light waves, second split means for splitting the other split light waves, and one bit delay circuit means 231 to 254 for separating four light waves passing through respective split means into two light waves whose polarization planes are orthogonal to each other and after delaying one of the light waves by 1 bit, combining the two light waves in a state in which polarization planes are orthogonal to each other are provided. Four light waves that have passed through the one bit delay circuit means pass through rotation split means in which each light wave passes through a quarter-wave plate with ±45 degrees, a polarization plane is rotated by 22.5 degrees, and the light wave is split for each two light waves whose polarization planes are orthogonal to each other, specific four light waves that have passed through the rotation split means pass through a half-wave plate with+45 degrees, and the obtained eight light waves are combined with a specific combination in a state in which the polarization planes are maintained.
    • 要解决的问题:提供一种可以防止将DQPSK调制光信号解调为多电平相位调制信号的光接收机的特性劣化的光接收器。解决方案:用于将光信号分解为两个光波的极化波分离装置201, 偏振面彼此正交,用于分离分裂光波的第一分离装置,用于分割其它分离光波的第二分离装置,以及一个位延迟电路装置231至254,用于将通过各个分离装置的四个光波分离成 提供两个偏振平面彼此正交并且在将一个光波延迟了1比特之后组合两个光波的偏振面彼此正交的状态的光波。 已经通过一位延迟电路的四个光波通过旋转分离装置,其中每个光波通过四分之一波片±45度,偏振面旋转22.5度,光波分裂 对于其偏振面彼此正交的每两个光波,已经通过旋转分离装置的特定四个光波通过具有+ 45度的半波片,并且将获得的八个光波与特定组合 在维持极化面的状态下。
    • 9. 发明专利
    • 受信モジュール
    • 接收器模块
    • JP2014199992A
    • 2014-10-23
    • JP2013074382
    • 2013-03-29
    • 住友大阪セメント株式会社Sumitomo Osaka Cement Co Ltd
    • KATAOKA TOSHIOHAYAMI YUJI
    • H01P5/02H01P1/04H01P3/02H01P5/08
    • 【課題】受信感度が低下するのを抑制することが可能な受信モジュールを提供する。【解決手段】信号電極の第二方向の寸法が、第一素子の第一電極23aに接続される第一接続部分から第二素子の第二電極23bに接続される第二接続部分にかけて徐々に大きくなっているため、第一電極と第二方向とでの第二方向の寸法が異なる場合であっても、伝送損失を抑制しつつ一の基板(第一誘電体基板)20に搭載して用いることができる。【選択図】図1
    • 要解决的问题:提供一种能够抑制接收机灵敏度降低的接收机模块。解决方案:由于信号电极在第二方向上的尺寸从连接到第一元件的第一电极23a的第一连接部分逐渐变大 到连接到第二元件的第二电极23b的第二连接部分,即使当在第二元件的尺寸上存在差异时,信号电极也可以通过安装在一个基板(第一电介质基板)20上而被使用,同时抑制传输损耗 电路基板的连接端子与连接端子的电容器之间的第二方向。
    • 10. 发明专利
    • 光デバイス
    • 光学装置
    • JP2014199302A
    • 2014-10-23
    • JP2013074321
    • 2013-03-29
    • 住友大阪セメント株式会社Sumitomo Osaka Cement Co Ltd
    • KATAOKA TOSHIOMIYAZAKI TOKUICHIHOSOKAWA YOICHIOKAMURA MIKI
    • G02F1/035
    • G02F1/2255
    • 【課題】終端回路での発熱による光学特性の劣化や基板の破損を防止し、終端基板と光学素子基板との機械的干渉を防止し、温度ドリフト現象を効果的に抑制する。【解決手段】電気光学効果を有する基板41と、基板41に設けられて光波が供給される複数の光導波路42と、光導波路42内を通過する光波を変調するための変調信号が供給される複数の信号電極43と、を有する光変調素子4と、複数の信号電極43と電気的に接続されるとともに変調信号を終端する終端抵抗53と、終端抵抗53が設けられた終端基板5と、を備え、終端基板5には熱伝導手段60を配置する。【選択図】図1
    • 要解决的问题:为了防止端子电路中的发热引起的光学特性的劣化或基板的断裂,以防止端子基板和光学元件基板之间的机械干涉,并且有效地抑制温度漂移现象。解决方案: 提供了一种光学装置,其包括:光调制元件4,其具有具有电光效应的基板41,设置在基板41中的多个光波导42,向其提供光波;多个信号 供给用于调制通过光波导路42的光波的调制信号的电极43; 电连接到多个信号电极43并终止调制信号的端子电阻53; 以及设置有端子电阻53的端子基板5.导热装置60设置在端子基板5上。