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1. 发明授权

US06724954B2 Optical multiplexer/demultiplexer 失效
标题翻译：光复用器/解复用器
公开(公告)号：US06724954B2
公开(公告)日：2004-04-20
申请号：US09796536
申请日：2001-03-02
申请人： Hideaki Arai , Takafumi Chiba , Hisato Uetsuka
发明人： Hideaki Arai , Takafumi Chiba , Hisato Uetsuka
IPC分类号： G02B628
CPC分类号： G02B6/29355 , G02B6/12007 , G02B6/2938
摘要： In an optical multiplexer/demultiplexer comprising optical multiplexer/demultiplexer circuits connected in multistage, the optical multiplexer/demultiplexer circuits each have two input ports and two output ports, an optical path, through which input optical signals with predetermined wavelengths are output after multiplexing and demultiplexing, varies depending upon the input port; the optical paths in each of the optical multiplexer/demultiplexer circuits have mutually opposite wavelength dispersion characteristics, and one of the optical paths in a first optical multiplexer/demultiplexer circuit is connected to one of the optical paths, in a second optical multiplexer/demultiplexer circuit, having wavelength dispersion characteristics opposite to the optical path in the first optical multiplexer/demultiplexer circuit. By virtue of this construction, an optical multiplexer/demultiplexer can be realized which causes no significant wavelength dispersion and, at the same time, has excellent wavelength flatness characteristics in passband.
摘要翻译：在包括以多级连接的光复用器/解复用器电路的光复用器/解复用器中，光复用器/解复用器电路各具有两个输入端口和两个输出端口，光路经过多路复用和解复用后输出具有预定波长的输入光信号，取决于输入端口; 每个光复用器/多路分离器电路中的光路具有相互相反的波长色散特性，并且在第二光复用器/解复用器电路中，第一光复用器/解复用器电路中的一个光路连接到光路之一具有与第一光复用器/解复用器电路中的光路相反的波长色散特性。凭借这种结构，可以实现不产生显着的波长色散的光复用器/解复用器，同时在通带中具有优良的波长平坦度特性。

2. 发明授权

US06643427B2 Waveguide-arrayed optical wavelength multiplexer/demultiplexer and fabrication method of the same 失效
标题翻译：波导阵列光波长复用器/解复用器及其制造方法
公开(公告)号：US06643427B2
公开(公告)日：2003-11-04
申请号：US09934670
申请日：2001-08-23
申请人： Takafumi Chiba
发明人： Takafumi Chiba
IPC分类号： G02B628
CPC分类号： G02B6/12011
摘要： To provide a waveguide-arrayed optical wavelength multiplexer/demultiplexer in which a mode configuration of a waveguide slab output part is matched to a mode configuration of waveguide array input parts, to achieve a reduced loss irrespective of distances between arrayed waveguides, and a manufacturing method of the same, a wavelength multiplexer/demultiplexer (10) is formed on a substrate (11) with a plurality of input waveguides (12) for inputting wavelength division multiplexed optical signals, an output waveguide (13) for combining the wavelength division multiplexed optical signals to be output, a waveguide array (15) as a set of arrayed waveguides (15b) having predetermined waveguide length differences (&Dgr;L), an input waveguide slab (14) for interconnecting the plurality of input waveguides (12) and the waveguide array (15), and an output waveguide slab (17) for interconnecting the waveguide array (15) and the output waveguide (13), and the input waveguide slab (14) and the output waveguide slab (17) are configured to have their intended refractivity distributions (16, 19).
摘要翻译：为了提供一种波导阵列的光波长多路复用器/多路分解器，其中波导板输出部分的模式配置与波导阵列输入部分的模式配置相匹配，以实现与阵列波导之间的距离无关的减小的损耗，以及制造方法在具有用于输入波分复用光信号的多个输入波导（12）的基板（11）上形成波长多路复用器/解复用器（10），用于组合波分复用光信号的输出波导（13）要输出的信号，作为具有预定波导长度差（DeltaL）的一组阵列波导（15b）的波导阵列（15），用于互连多个输入波导（12）和波导阵列（15）和用于互连波导阵列（15）和输出波导（13）的输出波导板（17），以及输入波导板（14）和o 输出波导板（17）被配置为具有其预期的折射率分布（16,19）。

3. 发明授权

US06556749B2 Array waveguide grating and method of manufacture thereof 失效
标题翻译：阵列波导光栅及其制造方法
公开(公告)号：US06556749B2
公开(公告)日：2003-04-29
申请号：US09890625
申请日：2001-08-02
申请人： Hisato Uetsuka , Masahiro Okawa , Koichi Maru , Takafumi Chiba
发明人： Hisato Uetsuka , Masahiro Okawa , Koichi Maru , Takafumi Chiba
IPC分类号： G02B634
CPC分类号： G02B6/12011 , G02B6/12019
摘要： The present invention relates to an array waveguide grating and a method of manufacture thereof, in which a substantially smooth wavelength-loss characteristics is obtained in a pass band, rather than increasing the loss. In an array waveguide grating (10), wavelength multiplex division signal light is demultiplexed by a channel waveguide array (15), reflected by a Fabry-Perot resonator array (16), and passed through the channel waveguide array (15) again, so that a substantially smooth wavelength-loss characteristic is obtained in the pass band, rather than increasing the loss.
摘要翻译：阵列波导光栅及其制造方法技术领域本发明涉及一种阵列波导光栅及其制造方法，其中在通带中获得基本平滑的波长损耗特性，而不是增加损耗。在阵列波导光栅（10）中，波导复用分割信号光被通道波导阵列（15）解复用，由法布里 - 珀罗谐振器阵列（16）反射，并再次通过通道波导阵列（15）在通带中获得基本平滑的波长损耗特性，而不是增加损耗。

4. 发明授权

US06980707B2 Waveguide type variable optical attenuator 失效
标题翻译：波导型可变光衰减器
公开(公告)号：US06980707B2
公开(公告)日：2005-12-27
申请号：US10653918
申请日：2003-09-04
申请人： Takafumi Chiba , Satoshi Takasugi , Tetsu Hasegawa , Hisato Uetsuka
发明人： Takafumi Chiba , Satoshi Takasugi , Tetsu Hasegawa , Hisato Uetsuka
IPC分类号： G02B6/00 , G02B6/12 , G02F1/01 , G02F1/225
CPC分类号： G02F1/225 , G02F1/0147 , G02F2001/0113 , G02F2203/48
摘要： A waveguide type variable optical attenuator has: a substrate; two optical circuits that are in parallel formed on the substrate, each of the optical circuits including two couplers that conduct the branching and coupling of light and are connected to the input port and output port of light and two waveguides through which the two couplers are connected; a polarization maintaining fiber one end of which is connected to the output port of one of the two optical circuits and the other end of which is connected to the input port of the other of the two optical circuits while being twisted 90°; and a heater that is provided around neighboring waveguides of the two optical circuits such that the neighboring waveguides share heat to be generated by the heater.
摘要翻译：波导型可变光衰减器具有：基板; 平行地形成在基板上的两个光电路，每个光电路包括两个耦合器，两个耦合器传导光的分支和耦合，并连接到光的输入端口和输出端口以及两个耦合器所连接的两个波导 ; 保偏光纤的一端连接到两个光电路之一的输出端口，另一端连接到两个光电路中的另一个的输入端口，同时扭转90°; 以及设置在两个光电路的相邻波导周围的加热器，使得相邻波导共享由加热器产生的热量。

5. 发明授权

US06631223B2 Optical multiplexer/demultiplexer 失效
标题翻译：光复用器/解复用器
公开(公告)号：US06631223B2
公开(公告)日：2003-10-07
申请号：US09783385
申请日：2001-02-15
申请人： Hideaki Arai , Takafumi Chiba , Hisato Uetsuka
发明人： Hideaki Arai , Takafumi Chiba , Hisato Uetsuka
IPC分类号： G02B628
CPC分类号： G02B6/12007 , G02B6/2813 , G02B2006/12164
摘要： In the optical multiplexer/demultiplexer according to the invention, an MMI (multi mode interference) coupler having a percentage coupling of about 50% is used as first and second optical couplers, and a directional coupler having a percentage coupling of less than 10% is used as third and fourth optical couplers. By virtue of this constitution, the optical multiplexer/demultiplexer according to the invention has a small dependency upon wavelength and can be used in a wide waveband, is less susceptible to a preparation error, and, at the same time, has good wavelength flatness in passband and a wide rejection band.
摘要翻译：在根据本发明的光复用器/解复用器中，使用具有约50％的百分比耦合的MMI（多模干扰）耦合器作为第一和第二光耦合器，并且具有小于10％的百分比耦合的定向耦合器是用作第三和第四光耦合器。根据这种结构，根据本发明的光信号多路复用器/解复用器对波长的依赖性很小，并且可以用于宽波段，不易受制备误差的影响，并且同时具有良好的波长平坦度通带和宽阻带。

6. 发明授权

US06947631B2 Waveguide-type optical multiplexer/demultiplexer 失效
标题翻译：波导型光复用器/解复用器
公开(公告)号：US06947631B2
公开(公告)日：2005-09-20
申请号：US10291064
申请日：2002-11-08
申请人： Hideaki Arai , Takafumi Chiba , Hisato Uetsuka , Masahiro Hikage
发明人： Hideaki Arai , Takafumi Chiba , Hisato Uetsuka , Masahiro Hikage
IPC分类号： G02B6/12 , G02B6/34 , H04J14/02 , G02B6/28 , G02B6/26 , G02B6/42
CPC分类号： G02B6/2938 , G02B6/12004 , G02B6/29355 , G02B2006/12159 , H04J14/02
摘要： A waveguide-type optical multiplexer/demultiplexer with low crosstalk characteristics and reduced wavelength dispersion is provided. A waveguide-type optical multiplexer/demultiplexer comprising, first, second and third optical multiplexer/demultiplexer circuits connected in multistage, each multiplexer/demultiplexer circuit has four input-output ports, third input-output port of first optical multiplexer/demultiplexer circuit is connected to third input-output port of second optical multiplexer/demultiplexer circuit, and fourth input-output port of first optical multiplexer/demultiplexer circuit is connected to fourth input-output port of third optical multiplexer/demultiplexer circuit, when wavelength division multiplex signals having wavelength λ1, λ2, λ3, λ4, λ5, λ6 . . . are input through first input-output port of first optical multiplexer/demultiplexer circuit, multiplex signals of odd wavelength λ1, λ3, λ5 . . . are output from first input-output port of second optical multiplexer/demultiplexer circuit, and multiplex signals of even wavelength λ2, λ4, λ6 . . . are output from first input-output port of third optical multiplexer/demultiplexer circuit.
摘要翻译：提供具有低串扰特性和降低的波长色散的波导型光信号多路复用器/解复用器。一种波导型光复用器/解复用器，包括以多级连接的第一，第二和第三光复用器/解复用器电路，每个多路复用器/解复用器电路具有四个输入输出端口，第一光复用器/解复用器电路的第三输入 - 输出端口被连接到第三光复用器/解复用器电路的第三输入输出端口，第三光复用器/解复用器电路的第四输入输出端口连接到第三光复用器/解复用器电路的第四输入 - 输出端口，当具有波长 λ1，λ2，λ3，λ4，λ5， λ6。。。通过第一光复用器/解复用器电路的第一输入 - 输出端口输入，奇数波长λ1，λ3，λ5，。。。从第二光复用器/解复用器电路的第一输入 - 输出端口输出，以及偶数波长λ2，λ4，λ6的多路复用信号 >。。。从第三光复用器/解复用器电路的第一输入 - 输出端口输出。

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