公开(公告)号：US20100054753A1

公开(公告)日：2010-03-04

申请号：US12545142

申请日：2009-08-21

Applicant: Fumio FUTAMI ,  Shigeki Watanabe

Inventor： Fumio FUTAMI ,  Shigeki Watanabe

IPC: H04B10/00

CPC classification number: G02B27/286 ,  G02B6/272 ,  G02B6/2766 ,  G02B27/283 ,  G02F1/0136

Abstract: An apparatus includes: a polarizing beam splitter for splitting the input light into a first light and a second light and for outputting the first light and the second light into optical paths, respectively; a polarization rotator rotating polarized light of the light path by approximately 90 degree; a first path length adjuster adjusting a difference path length between the optical paths in order to be approximately equal to zero; a second path length adjuster adjusting a difference path length between the optical paths in order to be an integer multiple of a wavelength of the input light; an optical attenuator arranged adjusting a propagation loss of the optical path in order to approximately match the propagation losses of the optical paths; and an output element for combining the first light and the second light from the paths and for outputting the output light.

Abstract translation: 一种装置包括：偏振分束器，用于将输入光分成第一光和第二光，并将第一光和第二光分别输出到光路中; 使光路的偏振光旋转约90度的偏振旋转体; 第一路径长度调节器，调整光路之间的差路径长度，以便近似等于零; 第二路径长度调整器，调整光路之间的差路径长度，以便成为输入光的波长的整数倍; 光衰减器，调整光路的传播损耗，以近似地匹配光路的传播损耗; 以及用于组合来自路径的第一光和第二光并用于输出输出光的输出元件。

公开(公告)号：US20110293273A1

公开(公告)日：2011-12-01

申请号：US13110540

申请日：2011-05-18

Applicant: Fumio FUTAMI

Inventor： Fumio FUTAMI

IPC: G02F1/35 ,  H04J14/02

CPC classification number: G02F1/3532 ,  G02F1/3513 ,  G02F1/3536 ,  H04B10/00 ,  H04J14/02 ,  H04J14/0201 ,  H04J14/0212

Abstract: There is provides a wavelength conversion apparatus for converting a wavelength of input signal light and for outputting output signal light of the converted wavelength. The apparatus includes a first and a second nonlinear mediums. The first nonlinear medium receives a first input light and outputs a first output light having a wavelength which is longer than that of the first input light, the wavelength being dependent on optical power of the first input light. The second nonlinear medium receives a second input light and a light output by a light source and outputs a second output light having a wavelength dependent on the wavelengths of the second input light and the light. The first output light is input as the second input light to the second nonlinear medium or the second output light is input as the first input light to the first nonlinear medium.

Abstract translation: 提供了用于转换输入信号光的波长并输出转换波长的输出信号光的波长转换装置。 该装置包括第一和第二非线性介质。 第一非线性介质接收第一输入光并输出具有比第一输入光的波长长的波长的第一输出光，该波长取决于第一输入光的光功率。 第二非线性介质接收第二输入光和由光源输出的光，并输出具有取决于第二输入光和光的波长的波长的第二输出光。 将第一输出光作为第二输入光输入到第二非线性介质，或者将第二输出光作为第一输入光输入到第一非线性介质。

公开(公告)号：US20090207489A1

公开(公告)日：2009-08-20

申请号：US12261261

申请日：2008-10-30

Applicant: Fumio FUTAMI ,  Shigeki WATANABE

Inventor： Fumio FUTAMI ,  Shigeki WATANABE

IPC: G02F1/295

CPC classification number: H04J14/083 ,  H04B10/299 ,  H04J14/06

Abstract: An optical processing device includes: a light source that outputs second light having a first polarization state or a second polarization state in synchronization with the pulse timing of the pulse of first light; a first nonlinear medium that controls the polarization state of the first light pulse in accordance with the polarization state of the second light pulse, using a nonlinear effect; and a separator that outputs the first light pulse from the first nonlinear medium selectively to a first output path or a second output path in accordance with the polarization state controlled by the first nonlinear medium. In this device, the first nonlinear medium uses the nonlinear effect to compensate the level of each first light pulse output selectively to the first output path or the second output path by the separator, with each first light pulse receiving the energy of the second light pulse.

Abstract translation: 光学处理装置包括：与第一光的脉冲的脉冲定时同步地输出具有第一偏振状态或第二偏振状态的第二光的光源; 第一非线性介质，使用非线性效应根据第二光脉冲的偏振状态来控制第一光脉冲的偏振状态; 以及分离器，其根据由第一非线性介质控制的偏振状态，将第一非线性介质的第一光脉冲选择性地输出到第一输出路径或第二输出路径。 在该装置中，第一非线性介质使用非线性效应来补偿由分离器选择性地输出到第一输出路径或第二输出路径的每个第一光脉冲的电平，其中每个第一光脉冲接收第二光脉冲的能量 。

公开(公告)号：US20110188800A1

公开(公告)日：2011-08-04

申请号：US13012358

申请日：2011-01-24

Applicant: Fumio FUTAMI

Inventor： Fumio FUTAMI

IPC: G02F1/035

CPC classification number: G02F1/225 ,  G02F1/3517 ,  G02F3/00 ,  G02F2203/25 ,  H04B10/505 ,  H04B10/516

Abstract: In an optical modulation device, an inverter inverts power of a modulation signal light and generates the inverted modulation signal light. A first nonlinear medium phase-modulates a modulated light by a nonlinear optical effect of the modulation signal light. A second nonlinear medium phase-modulates the modulated light by the nonlinear optical effect of the inverted modulation signal light. An optical interference part controls interference between output light from the first nonlinear medium and that from the second nonlinear medium, and produces the phase-modulated modulated light.

Abstract translation: 在光调制装置中，逆变器反转调制信号光的功率，并产生反相调制信号光。 第一非线性介质通过调制信号光的非线性光学效应对调制光进行相位调制。 第二非线性介质通过反相调制信号光的非线性光学效应对调制光进行相位调制。 光学干涉部分控制来自第一非线性介质的输出光与来自第二非线性介质的输出光之间的干扰，并产生相位调制的调制光。

公开(公告)号：US20100220997A1

公开(公告)日：2010-09-02

申请号：US12639964

申请日：2009-12-16

Applicant: Fumio FUTAMI

Inventor： Fumio FUTAMI

IPC: H04B10/08 ,  H04J14/02

CPC classification number: H04B10/291 ,  G02F1/3519 ,  G02F2/004 ,  G02F2001/212 ,  G02F2001/392 ,  G02F2002/006 ,  G02F2201/20 ,  G02F2201/58 ,  G02F2203/26 ,  G02F2203/50 ,  G02F2203/52 ,  G02F2203/58 ,  G02F2203/70

Abstract: An optical signal processing device for shaping a waveform of an optical signal, including: an intensity inversion wavelength converter configured to generate an intensity-modulated optical signal of a second wavelength obtained by inverting a signal intensity of an input intensity-modulated optical signal of a first wavelength; an optical coupler configured to multiplex the intensity-modulated optical signal of the first wavelength and the intensity-modulated optical signal of the second wavelength at a timing at which signal intensities of those signals become opposite; and an optical limiter configured to input coupled light output from the optical coupler, and suppress gain as power of the coupled light becomes higher.

Abstract translation: 一种用于整形光信号波形的光信号处理装置，包括：强度反转波长转换器，被配置为产生通过将输入的强度调制光信号的信号强度反相而获得的第二波长的强度调制光信号 第一波长; 光耦合器，被配置为在这些信号的信号强度变得相反的定时处复用第一波长的强度调制光信号和第二波长的强度调制光信号; 以及光限制器，被配置为输入从所述光耦合器输出的耦合光，并且当所耦合的光的功率变得更高时抑制增益。

公开(公告)号：US20080131138A1

公开(公告)日：2008-06-05

申请号：US11987582

申请日：2007-11-30

Applicant: Fumio FUTAMI ,  Shigeki WATANABE

Inventor： Fumio FUTAMI ,  Shigeki WATANABE

IPC: H04B10/00

CPC classification number: H04Q11/0005 ,  G01J11/00 ,  G02F1/3515 ,  G02F1/39 ,  H04J14/06 ,  H04J14/08 ,  H04Q2011/0035 ,  H04Q2011/0039 ,  H04Q2011/0041 ,  H04Q2011/0045

Abstract: According to an aspect of an embodiment, an optical switch comprises: a coupler for coupling a signal light and a control pulse; a first nonlinear medium for amplifying the signal light in accordance with the polarization direction of the control pulse light by nonlinear effect; a first polarizer outputting a component light in a signal light and the control pulse light in parallel with the transmission axis of the first polarizer; a second nonlinear medium for changing status of polarization of the signal light by nonlinear effect; and a second polarizer outputting a signal light and a control pulse light in parallel with the transmission axis of the second polarizer.

Abstract translation: 根据实施例的一个方面，光开关包括：用于耦合信号光和控制脉冲的耦合器; 第一非线性介质，用于通过非线性效应根据控制脉冲光的偏振方向放大信号光; 输出信号光中的分量光的第一偏振器和与第一偏振器的透射轴平行的控制脉冲光; 用于通过非线性效应改变信号光的偏振状态的第二非线性介质; 以及第二偏振器，其输出与第二偏振器的透射轴平行的信号光和控制脉冲光。