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1. 发明公开

EP3226576A1 OPTICAL SWITCH CHIP, OPTICAL SWITCH DRIVING MODULE, AND DRIVING METHOD 审中-公开
标题翻译：光学开关芯片，光学开关驱动模块和驱动方法
公开(公告)号：EP3226576A1
公开(公告)日：2017-10-04
申请号：EP14908198.6
申请日：2014-12-18
申请人： Huawei Technologies Co., Ltd.
发明人： ZHANG, Chunhui , CAI, Yu , FU, Hongyan
IPC分类号： H04Q11/00
CPC分类号： H04Q11/0005 , H04Q11/00 , H04Q2011/0035 , H04Q2011/0039 , H04Q2011/0058
摘要： An optical switch chip, an optical switch driving module, and an optical switch driving method are disclosed. An optical switch unit in an optical switch matrix may be driven by using driving signals of different frequencies. The optical switch driving module includes an optical switch chip, and the optical switch chip includes multiple optical switch units (110). The optical switch units (110) are divided into N groups, where N is a natural number greater than or equal to 1. Each group of optical switch units (110) shares a pair of electrodes (101, 102), each pair of electrodes (101, 102) is configured to connect to a multi-frequency driving signal source (200), and each optical switch unit (110) is connected to a band-pass filter (120) and connects to the multi-frequency driving signal source (200) by using the band-pass filter (120). Pass bands of M band-pass filters (120) that are connected to M optical switch units (110) in a same group are different, where M is a natural number greater than or equal to 2. The multi-frequency driving signal source (200) outputs multiple driving signals of different frequencies that are respectively corresponding to the M band-pass filters (120), so as to drive the optical switch unit (110).
摘要翻译：公开了光开关芯片，光开关驱动模块和光开关驱动方法。光开关矩阵中的光开关单元可以通过使用不同频率的驱动信号来驱动。光开关驱动模块包括光开关芯片，光开关芯片包括多个光开关单元（110）。光开关单元（110）被分成N组，其中N是大于或等于1的自然数。每组光开关单元（110）共用一对电极（101,102），每对电极（101,102）被配置为连接到多频驱动信号源（200），并且每个光开关单元（110）连接到带通滤波器（120）并连接到所述多频驱动信号源（200）通过使用带通滤波器（120）。连接到同一组中的M个光开关单元（110）的M个带通滤波器（120）的通带不同，其中M是大于或等于2的自然数。多频驱动信号源 200）输出分别对应于M个带通滤波器（120）的不同频率的多个驱动信号，以驱动光开关单元（110）。

2. 发明公开

EP3118661A1 OPTICAL INTERCONNECTION DEVICE, OPTOELECTRONIC CHIP SYSTEM, AND OPTICAL SIGNAL SHARING METHOD 审中-公开
标题翻译：光学连接装置中，共享光信号的光电芯片的系统和方法
公开(公告)号：EP3118661A1
公开(公告)日：2017-01-18
申请号：EP14887675.8
申请日：2014-03-28
申请人： Huawei Technologies Co., Ltd.
发明人： TU, Xin , FU, Hongyan , ZHAO, Fei
IPC分类号： G02B6/293 , G02B6/28
CPC分类号： G02B6/29341 , G02B6/12002 , G02B6/12007 , G02B6/125 , G02B6/29395 , G02B6/3536 , G02B2006/12121 , G02B2006/12142
摘要： An optical interconnector (915) includes: a first vertical coupled cavity (100), a first optical waveguide (102), and a second optical waveguide (103). The first vertical coupled cavity (100) includes N identical micro-resonant cavities that are equidistantly stacked, where a center of each micro-resonant cavity is located on a first straight line that is perpendicular to a plane on which the micro-resonant cavity is located, the first optical waveguide (102) and a first micro-resonant cavity (11) are in a same plane, the second optical waveguide (103) and a second micro-resonant cavity (13) are in a same plane, the first optical waveguide (102) is an input optical waveguide, the second optical waveguide (103) is a first output optical waveguide, and an optical signal having a first resonant wavelength in the first optical waveguide (102) enters the second optical waveguide (103) through the first vertical coupled cavity (100). By means of the optical interconnector (915), the optical signal having the first resonant wavelength in the first optical waveguide (102) can be coupled to the second optical waveguide (103) after passing through the first vertical coupled cavity (100). In this way, the optical interconnector (915) can be used to implement optical signal sharing between different layers.
摘要翻译：一种光学互连器（915）包括：第一垂直耦合腔（100），第一光波导（102）和第二光波导（103）。第一垂直耦合腔（100）包括N个相同的微谐振腔并等距地堆叠，其中，每个微 - 共振腔的中心位于第一直线所做的是垂直于在其上的微谐振腔是一个平面定位时，第一光学波导（102）和第一微 - 共振腔（11）处于同一平面上，该第二光学波导（103）和第二微 - 共振腔（13）处于同一平面上，所述第一光波导（102）是一个输入光波导，所述第二光学波导（103）是第一输出光波导，以及光信号具有在所述第一光波导的第一谐振波长（102）进入所述第二光学波导（103）通过第一垂直耦合腔（100）。通过光学互连器（915）的方式，具有第一光波导（102）的第一谐振波长的光信号能够穿过所述第一垂直耦合腔（100）之后被耦合至所述第二光波导（103）。以这种方式，光学互连器（915）可以被用于实现不同层之间的光信号共享。

3. 发明授权

EP3046334B1 DEVICE AND METHOD FOR ALL-OPTICAL INFORMATION EXCHANGE 有权
标题翻译：用于全光信息交换的装置和方法
公开(公告)号：EP3046334B1
公开(公告)日：2017-11-15
申请号：EP14844392.2
申请日：2014-04-16
申请人： Huawei Technologies Co., Ltd.
发明人： WANG, Jian , HE, Jifang , FU, Hongyan
IPC分类号： H04Q11/00 , G02F1/35 , G02F2/00
CPC分类号： G02F1/3521 , G02B6/2746 , G02B6/2766 , G02B6/29361 , G02B6/2938 , G02F1/353 , G02F1/3558 , G02F1/365 , G02F2/004 , G02F2002/006 , H04B10/291 , H04J14/02 , H04J14/06 , H04Q11/0005 , H04Q2011/0035 , H04Q2213/1301
摘要： An all-optical information exchange device and method are provided. The all-optical information exchange device includes: a second-order nonlinear optical waveguide, a first optical coupler, a third optical coupler, a fourth optical coupler, a first optical filter, a second optical filter and a first polarization controller; the first optical filter is transmissive to a first wavelength/waveband signal light, and the second optical filter is transmissive to a second wavelength/waveband signal light during use.

4. 发明公开

EP3159719A1 SPOTSIZE CONVERTER AND APPARATUS FOR OPTICAL CONDUCTION 有权
公开(公告)号：EP3159719A1
公开(公告)日：2017-04-26
申请号：EP14897866.1
申请日：2014-07-16
申请人： Huawei Technologies Co. Ltd.
发明人： TU, Xin , FU, Hongyan
IPC分类号： G02B6/14 , G02B6/26
CPC分类号： G02B6/14 , G02B6/1228 , G02B6/125 , G02B6/26 , G02B6/305 , G02B2006/121
摘要： A spotsize converter (200) includes a substrate layer (201); a first coverage layer (202) disposed above the substrate layer (201); an isolating layer (203) disposed between the substrate layer (201) and the first coverage layer (202); and a waveguide (204) disposed inside the first coverage layer (202), where the waveguide (204) is symmetrical along a principal axis. The waveguide (204) includes an equal-width first waveguide (301), an equal-width second waveguide (302), and a third waveguide (303). A first end of the third waveguide (303) is connected to a first end of the first waveguide (301) and a first end of the second waveguide (302), and the first waveguide (301), the second waveguide (302), and the third waveguide (303) form a Y shape. Along a first direction of the principal axis, a width of the third waveguide (303) gradually increases, and a distance, in a second direction, between the first waveguide (301) and the second waveguide (302) gradually decreases. The spotsize converter (200) can be used to implement spot size conversion between an optical fiber and an optical waveguide, and a coupling loss between the optical fiber and the optical waveguide can be reduced by using the spotsize converter (200).
摘要翻译：点标式转换器（200）包括衬底层（201）; 布置在所述衬底层（201）上方的第一覆盖层（202）; 布置在所述衬底层（201）和所述第一覆盖层（202）之间的隔离层（203）; 和布置在第一覆盖层（202）内部的波导（204），其中波导（204）沿主轴对称。波导（204）包括等宽第一波导（301），等宽第二波导（302）和第三波导（303）。第三波导303的第一端连接第一波导301的第一端和第二波导302的第一端，第一波导301，第二波导302，和第三波导（303）形成Y形。沿主轴的第一方向，第三波导（303）的宽度逐渐增加，并且第一波导（301）和第二波导（302）之间在第二方向上的距离逐渐减小。点标尺转换器200可以用于实现光纤和光波导之间的光点尺寸转换，并且可以通过使用点尺寸转换器200来减小光纤和光波导之间的耦合损耗。

5. 发明授权

EP3290974B1 POLARIZATION ROTATOR AND OPTICAL SIGNAL PROCESSING METHOD 有权
公开(公告)号：EP3290974B1
公开(公告)日：2019-06-12
申请号：EP15890350.0
申请日：2015-04-30
申请人： Huawei Technologies Co. Ltd.
发明人： TU, Xin , WEI, Yuming , FU, Hongyan
IPC分类号： G02B6/34

6. 发明公开

EP3296782A1 GRATING COUPLER AND PREPARATION METHOD THEREFOR 有权
标题翻译： GRATING COUPLER及其制备方法
公开(公告)号：EP3296782A1
公开(公告)日：2018-03-21
申请号：EP15894646.7
申请日：2015-06-11
申请人： Huawei Technologies Co. Ltd.
发明人： LI, Ming , TU, Xin , FU, Hongyan
IPC分类号： G02B6/34 , G02B6/124 , G02B5/18
CPC分类号： G02B5/18 , G02B6/12004 , G02B6/1228 , G02B6/124 , G02B6/305 , G02B6/34 , G02B6/4206 , G02B2006/12061 , G02B2006/12107
摘要： A grating coupler and a preparation method thereof are provided. The grating coupler includes a substrate layer (0), a lower confining layer (1), a waveguide core layer (2), and an upper confining layer (3) that are sequentially arranged. The waveguide core layer (2) includes a submicron waveguide (4), a first tapered waveguide (5), and a waveguide array (6). The waveguide array (6) includes at least two waveguide groups, the waveguide group includes at least one waveguide chain, the waveguide chain includes at least two waveguides that have different widths, the waveguides in the waveguide chain are connected to each other, waveguides in the waveguide chains included in a same waveguide group have a same width and a same arrangement structure, and waveguides in the waveguide chains included in different waveguide groups have different widths and/or different arrangement structures. An end of the waveguide chain in the waveguide array (6) is connected to a wide end of the first tapered waveguide (5), and a narrow end of the first tapered waveguide (5) is connected to the submicron waveguide (4). The grating coupler can increase a bandwidth.
摘要翻译：提供一种光栅耦合器及其制备方法。光栅耦合器包括顺序排列的衬底层（0），下限制层（1），波导芯层（2）和上限制层（3）。波导芯层（2）包括亚微米波导（4），第一锥形波导（5）和波导阵列（6）。波导阵列（6）包括至少两个波导组，波导组包括至少一个波导链，波导链包括至少两个具有不同宽度的波导，波导链中的波导彼此连接，波导包括在同一波导组中的波导链具有相同的宽度和相同的排列结构，并且包含在不同波导组中的波导链中的波导具有不同的宽度和/或不同的排列结构。波导阵列（6）中的波导链的一端连接到第一锥形波导（5）的宽端，并且第一锥形波导（5）的窄端连接到亚微米波导（4）。光栅耦合器可以增加带宽。

7. 发明公开

EP3290974A1 POLARIZATION ROTATOR AND OPTICAL SIGNAL PROCESSING METHOD 有权
标题翻译：极化旋转器与光学信号处理方法
公开(公告)号：EP3290974A1
公开(公告)日：2018-03-07
申请号：EP15890350.0
申请日：2015-04-30
申请人： Huawei Technologies Co. Ltd.
发明人： TU, Xin , WEI, Yuming , FU, Hongyan
IPC分类号： G02B6/34
CPC分类号： G02B6/2766 , G02B6/14 , G02B6/34
摘要： A polarization rotator and an optical signal processing method are disclosed. The polarization rotator and the optical signal processing method relate to an optoelectronic product field, and can achieve higher conversion efficiency and ensure a smaller size of the polarization rotator in a process of converting optical signal polarization states. A first transceiving waveguide includes a first end and a second end; a polarization rotation region waveguide includes a first waveguide and a second waveguide, where the first waveguide is located above the second waveguide, the first waveguide is connected to the second end of the first transceiving waveguide, the first waveguide and the second waveguide are non-linear profile waveguides; a mode conversion region waveguide includes a third waveguide and a fourth waveguide, where the third waveguide is connected to the second waveguide, the fourth waveguide is on a same horizontal plane as the third waveguide and the second waveguide, and the third waveguide and the fourth waveguide are non-linear profile waveguides; and the second transceiving waveguide includes a third end and a fourth end, where the third end of the second transceiving waveguide is connected to the fourth waveguide. The method is used for conversion between a transverse electric wave mode optical signal and a transverse magnetic wave mode optical signal.
摘要翻译：公开了一种偏振旋转器和一种光学信号处理方法。偏振旋转器和光信号处理方法涉及光电子产品领域，在转换光信号偏振态的过程中可实现更高的转换效率，并保证偏振旋转器的尺寸更小。第一收发波导包括第一端和第二端; 偏振旋转区波导包括第一波导和第二波导，所述第一波导位于所述第二波导上方，所述第一波导连接所述第一收发波导的第二端，所述第一波导和所述第二波导不相交，线性轮廓波导; 模式转换区波导包括第三波导和第四波导，其中第三波导连接到第二波导，第四波导与第三波导和第二波导在同一水平面上，第三波导和第四波导波导是非线性轮廓波导; 并且第二收发波导包括第三端和第四端，其中第二收发波导的第三端连接到第四波导。该方法用于横向电波模式光信号和横向磁波模式光信号之间的转换。

8. 发明公开

EP3073302A1 POLARIZER AND POLARIZATION MODULATION SYSTEM 有权
标题翻译：偏振器和极化调制系统
公开(公告)号：EP3073302A1
公开(公告)日：2016-09-28
申请号：EP13899938.8
申请日：2013-12-20
申请人： Huawei Technologies Co., Ltd.
发明人： TU, Xin , FU, Hongyan , LIU, Wanyuan
IPC分类号： G02B6/27
CPC分类号： G02F1/0136 , G02B6/126 , G02B6/2813 , G02F1/0147 , G02F1/025 , G02F1/095 , G02F2201/05 , G02F2201/58 , G02F2202/10 , G02F2202/105 , G02F2203/07
摘要： The present invention provides a polarizer and a polarization modulation system. The polarizer includes at least one MMI multi-mode waveguide, where one side of each MMI multi-mode waveguide is connected to an input waveguide, and the other side is connected to an output waveguide; an end portion of the side, on which the output waveguide is located, of the MMI multi-mode waveguide is provided with an adjustable portion, and the adjustable portion is connected to the output waveguide; and the polarizer further includes a controller connected to the adjustable portion, where the controller is configured to perform control to change a material property of the adjustable portion, so that the output waveguide outputs optical signals in different polarization states. The present invention implements adjustable polarization, and the structure is simple.
摘要翻译：本发明提供了一种偏振器和一种偏振调制系统。偏振器包括至少一个MMI多模波导，其中每个MMI多模波导的一侧连接到输入波导，另一侧连接到输出波导; MMI多模波导的输出波导所在侧的端部设置有可调节部分，可调节部分连接至输出波导; 并且偏振器还包括连接到可调节部分的控制器，其中控制器被配置为执行控制以改变可调节部分的材料属性，使得输出波导输出不同偏振状态的光信号。本发明实现可调极化，结构简单。

9. 发明授权

EP3073302B1 POLARIZER AND POLARIZATION MODULATION SYSTEM 有权
公开(公告)号：EP3073302B1
公开(公告)日：2018-09-26
申请号：EP13899938.8
申请日：2013-12-20
申请人： Huawei Technologies Co., Ltd.
发明人： TU, Xin , FU, Hongyan , LIU, Wanyuan
IPC分类号： G02B6/27
CPC分类号： G02F1/0136 , G02B6/126 , G02B6/2813 , G02F1/0147 , G02F1/025 , G02F1/095 , G02F2201/05 , G02F2201/58 , G02F2202/10 , G02F2202/105 , G02F2203/07
摘要： The present invention provides a polarizer and a polarization modulation system. The polarizer includes at least one MMI multi-mode waveguide, where one side of each MMI multi-mode waveguide is connected to an input waveguide, and the other side is connected to an output waveguide; an end portion of the side, on which the output waveguide is located, of the MMI multi-mode waveguide is provided with an adjustable portion, and the adjustable portion is connected to the output waveguide; and the polarizer further includes a controller connected to the adjustable portion, where the controller is configured to perform control to change a material property of the adjustable portion, so that the output waveguide outputs optical signals in different polarization states. The present invention implements adjustable polarization, and the structure is simple.

10. 发明授权

EP3159719B1 SPOTSIZE CONVERTER AND APPARATUS FOR OPTICAL CONDUCTION 有权
公开(公告)号：EP3159719B1
公开(公告)日：2018-05-30
申请号：EP14897866.1
申请日：2014-07-16
申请人： Huawei Technologies Co. Ltd.
发明人： TU, Xin , FU, Hongyan
IPC分类号： G02B6/30 , G02B6/122 , G02B6/125 , G02B6/12
CPC分类号： G02B6/14 , G02B6/1228 , G02B6/125 , G02B6/26 , G02B6/305 , G02B2006/121
摘要： A spotsize converter (200) includes a substrate layer (201); a first coverage layer (202) disposed above the substrate layer (201); an isolating layer (203) disposed between the substrate layer (201) and the first coverage layer (202); and a waveguide (204) disposed inside the first coverage layer (202), where the waveguide (204) is symmetrical along a principal axis. The waveguide (204) includes an equal-width first waveguide (301), an equal-width second waveguide (302), and a third waveguide (303). A first end of the third waveguide (303) is connected to a first end of the first waveguide (301) and a first end of the second waveguide (302), and the first waveguide (301), the second waveguide (302), and the third waveguide (303) form a Y shape. Along a first direction of the principal axis, a width of the third waveguide (303) gradually increases, and a distance, in a second direction, between the first waveguide (301) and the second waveguide (302) gradually decreases. The spotsize converter (200) can be used to implement spot size conversion between an optical fiber and an optical waveguide, and a coupling loss between the optical fiber and the optical waveguide can be reduced by using the spotsize converter (200).

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