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1. 发明授权

US10620376B2 Reconfigurable optical add/drop multiplexer 有权
公开(公告)号：US10620376B2
公开(公告)日：2020-04-14
申请号：US15988760
申请日：2018-05-24
申请人： Huawei Technologies Co., Ltd.
发明人： Yunfei Yan , Zhiyong Feng , Han Zhao , Liangjia Zong
IPC分类号： G02B6/293 , G02B6/35 , H04J14/02
CPC分类号： G02B6/29383 , G02B6/35 , G02B6/3518 , G02B6/3546 , H04J14/0212 , G02B6/29311
摘要： Embodiments of the present invention provide a reconfigurable optical add/drop multiplexer, including: an input component, an output component, a beamsplitter, a first switch array, a wavelength dispersion system, a redirection system, and a second switch array. The input component includes M+P input ports, the output component includes N output ports, the beamsplitter is configured to: receive M input beams from M input ports, and split each of the M input beams into at least N parts, to obtain at least M×N beams; the first switch array includes at least P switch units; and the second switch array includes N rows of switch units. The first switch array, the beamsplitter, the wavelength dispersion system, the redirection system, and the second switch array are arranged so that P optical add beams and sub-beams of M×N beams in the at least M×N beams can be routed to the N output ports.

2. 再颁专利

USRE47905E1 Reconfigurable optical add-drop multiplexers with servo control and dynamic spectral power management capabilities 有权
公开(公告)号：USRE47905E1
公开(公告)日：2020-03-17
申请号：US16023127
申请日：2018-06-29
申请人： CAPELLA PHOTONICS, INC.
发明人： Tai Chen , Jeffrey P. Wilde , Joseph E. Davis
IPC分类号： G02B6/28 , H04J14/02 , G02B6/293 , G02B6/35 , G02B26/08 , G02B6/34 , G02B6/32
CPC分类号： G02B6/2931 , G02B6/29313 , G02B6/29383 , G02B6/29385 , G02B6/29391 , G02B6/29395 , G02B6/3512 , G02B6/3588 , G02B6/32 , G02B6/34 , G02B6/356 , G02B6/3556 , G02B6/3586 , G02B6/3592 , G02B26/0833
摘要： This invention provides a novel wavelength-separating-routing (WSR) apparatus that uses a diffraction grating to separate a multi-wavelength optical signal by wavelength into multiple spectral channels, which are then focused onto an array of corresponding channel micromirrors. The channel micromirrors are individually controllable and continuously pivotable to reflect the spectral channels into selected output ports. As such, the inventive WSR apparatus is capable of routing the spectral channels on a channel-by-channel basis and coupling any spectral channel into any one of the output ports. The WSR apparatus of the present invention may be further equipped with servo-control and spectral power-management capabilities, thereby maintaining the coupling efficiencies of the spectral channels into the output ports at desired values. The WSR apparatus of the present invention can be used to construct a novel class of dynamically reconfigurable optical add-drop multiplexers (OADMs) for WDM optical networking applications.

3. 发明授权

US10003427B1 Bidirectional optical element 有权
公开(公告)号：US10003427B1
公开(公告)日：2018-06-19
申请号：US15640696
申请日：2017-07-03
申请人： ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
发明人： Heuk Park , Hwan Seok Chung
IPC分类号： H04J14/02 , H04B10/275 , G02B6/293
CPC分类号： H04J14/0216 , G02B6/29338 , G02B6/29343 , G02B6/29383 , H04B10/275 , H04J14/0202 , H04J14/0204
摘要： A bidirectional optical element in optical network units (ONUs) of a passive optical network (PON) includes a main filter configured to pass an upstream signal having an upstream-channel wavelength and a downstream signal having a downstream-channel wavelength, a drop filter configured to pass the downstream signal having the downstream-channel wavelength and reject the upstream signal having the upstream-channel wavelength, and an add filter configured to pass the upstream signal having the upstream-channel wavelength and reject the downstream signal having the downstream-channel wavelength, wherein the main filter, the drop filter, and the add filter are configured to share a single optical waveguide, and the optical waveguide is configured to connect input ports of the main filter and the drop filter and an output port of the drop filter and is provided in a straight line shape.

4. 发明授权

US09939665B2 Communication apparatus 有权
公开(公告)号：US09939665B2
公开(公告)日：2018-04-10
申请号：US15337242
申请日：2016-10-28
申请人： AIRBUS OPERATIONS LIMITED
发明人： Kayvon Barad , Chris Wood , Alessio Cipullo
IPC分类号： G02F1/01 , G02B6/02 , H04B10/25 , H04J14/02 , G02F1/125 , G02B6/42 , G02B6/293
CPC分类号： G02F1/0134 , G02B6/02076 , G02B6/0208 , G02B6/02095 , G02B6/022 , G02B6/02204 , G02B6/29383 , G02B6/29395 , G02B6/4214 , G02B6/4215 , G02B6/4287 , G02F1/0147 , G02F1/125 , G02F2201/58 , H04B10/2504 , H04J14/02
摘要： A communication apparatus includes an optical fiber along which radiation can be transmitted; an optical fiber grating formed within the optical fiber, the optical fiber grating having a structure, and configured to reflect radiation at a particular wavelength; and an instrument coupled to the grating and configured to controllably modify the structure of the grating, thereby changing the wavelength at which the grating reflects radiation. A communication system including the communication apparatus is also described, along with a method of communicating a signal.

5. 发明授权

US09913008B1 Multicast wavelength selective switch 有权
公开(公告)号：US09913008B1
公开(公告)日：2018-03-06
申请号：US15615415
申请日：2017-06-06
申请人： Lumentum Operations LLC
发明人： Barrie P. Keyworth , Paul Colbourne
IPC分类号： G02B6/28 , H04Q11/00 , H04J14/02 , G02B6/32 , G02B6/35
CPC分类号： H04Q11/0005 , G02B6/2931 , G02B6/29383 , G02B6/351 , G02B6/3518 , G02B6/3556 , G02B6/356 , H04J14/0212 , H04J14/0224 , H04Q11/00 , H04Q11/0062
摘要： A wavelength selective switch (WSS) may include a first port array including input ports, each to launch a respective beam of light, and a dispersive element to separate, in a lateral direction, a beam of light, launched by one of the input ports, into dispersed wavelength channel sub-beams. The WSS may include a switching array to direct the dispersed wavelength channel sub-beams, at respective angles in a vertical direction. The dispersive element may converge groups of dispersed wavelength channel sub-beams in the lateral direction to form wavelength channel sub-beams. The WSS may include a splitting element to split, in the lateral direction, a wavelength channel sub-beam, of the wavelength channel sub-beams, into split wavelength channel sub-beams. The WSS may include switching elements to direct the split wavelength channel sub-beams at respective angles in the vertical direction, and output ports associated with the switching elements.

6. 发明申请

US20170371104A1 TUNABLE ADD-DROP FILTER WITH AN ACTIVE RESONATOR 审中-公开
公开(公告)号：US20170371104A1
公开(公告)日：2017-12-28
申请号：US15677646
申请日：2017-08-15
申请人： Washington University
发明人： Lan Yang , Sahin Kaya Ozdemir , Faraz Monifi
IPC分类号： G02B6/293 , H01S3/16 , G02B6/12 , H01S3/06 , H01S3/17
CPC分类号： G02B6/29338 , G02B6/12007 , G02B6/29383 , G02B6/29395 , H01S3/0627 , H01S3/1608 , H01S3/1618 , H01S3/176
摘要： An add-drop filter for transmitting at least one signal is provided. The add-drop filter includes at least two optical waveguides capable of carrying the at least one signal, and at least one active resonator coupled between the optical waveguides, wherein the at least one active resonator provides gain that counteracts losses for the at least one signal.

7. 发明授权

US09638865B2 Switch device 有权
公开(公告)号：US09638865B2
公开(公告)日：2017-05-02
申请号：US15092170
申请日：2016-04-06
申请人： FURUKAWA ELECTRIC CO., LTD.
发明人： Junichi Hasegawa , Kazutaka Nara
IPC分类号： G02B6/35 , H04J14/02 , H04Q11/00 , G02F1/313 , G02B6/293
CPC分类号： G02B6/3544 , G02B6/29383 , G02B6/356 , G02F1/3136 , H04J14/0219 , H04Q11/0001 , H04Q11/0005 , H04Q2011/0015
摘要： The present invention provides a switch device for an optical signal which has high extendibility and which can suppress an increase of loss in extension. A switch device in one embodiment of the present invention includes, in a housing, four splitter portions, four switch portions, and extension splitter portions. The splitter portions are connected to path-side ports, the switch portions are connected to client-side ports, and the splitter portions and the switch portions are connected to one another via shuffle fiber arrays. One ends of the extension splitter portions are connected to path-side extension ports, and the other ends thereof are connected to client-side extension ports. The number of wavelengths processable by the switch device can be easily changed by changing a connection state of optical fibers to the path-side ports, the client-side ports, the path-side extension ports, and the client-side extension ports.

8. 发明申请

US20160360301A1 Contentionless NxM Wavelength Cross Connect 审中-公开
标题翻译：无重复NxM波长交叉连接
公开(公告)号：US20160360301A1
公开(公告)日：2016-12-08
申请号：US15224254
申请日：2016-07-29
申请人： WAVEXING, INC.
发明人： Fenghua Li
IPC分类号： H04Q11/00 , H04J14/06 , G02F1/01 , G02B6/35 , G02B6/32 , G02F1/13 , H04J14/02 , G02B6/293
CPC分类号： H04Q11/0005 , G02B6/29383 , G02B6/29394 , G02B6/32 , G02B6/3534 , G02B6/3546 , G02B6/356 , G02F1/0136 , G02F1/1326 , H04J14/0204 , H04J14/021 , H04J14/0221 , H04J14/06 , H04Q2011/0015 , H04Q2011/0016 , H04Q2011/0022 , H04Q2011/0035 , H04Q2011/0041 , H04Q2011/0058
摘要： Technology for a contentionless N×M wavelength cross connect (WXC) device is disclosed herein. The WXC device includes multiple input and output wavelength dispersive elements and a cross connect assembly. The cross connect assembly includes multiple rows of incoming ports. For each individual wavelength of different wavelengths, split optical beams of the individual wavelength from the input wavelength dispersive elements reach a row of incoming ports corresponding to the individual wavelength. The cross connect assembly further includes transmissive active switching elements and multiple rows of outgoing ports. The transmissive active switching elements configured to dynamically establish at least one optical path between an incoming port within the row of incoming ports corresponding to the individual wavelength and an outgoing port within a row of output ports corresponding to the individual wavelength.
摘要翻译：本文公开了无竞争的N×M波长交叉连接（WXC）装置的技术。 WXC器件包括多个输入和输出波长色散元件和交叉连接组件。交叉连接组件包括多排进入端口。对于不同波长的每个单独的波长，来自输入波长色散元件的单独波长的分束光束到达对应于各个波长的入口端口行。交叉连接组件还包括透射有源开关元件和多排输出端口。所述透射有源开关元件被配置为在对应于各个波长的输入端口的行中的输入端口与对应于各个波长的一排输出端口内的输出端口之间动态建立至少一个光路。

9. 发明申请

US20160282640A1 WAVELENGTH LOCKING FILTER 有权
标题翻译：波长锁定滤波器
公开(公告)号：US20160282640A1
公开(公告)日：2016-09-29
申请号：US15079590
申请日：2016-03-24
申请人： Aurrion, Inc.
发明人： Robert Silvio Guzzon
IPC分类号： G02F1/025 , G02F1/01
CPC分类号： G02F1/025 , G02B6/29338 , G02B6/29341 , G02B6/29383 , G02F1/0121 , G02F1/0147 , G02F2001/0156
摘要： An optical system can automatically lock an adjustable spectral filter to a first wavelength of an incoming light signal, and can automatically filter an additional incoming light signal at the first wavelength. A tunable filter can have a filtering spectrum with an adjustable peak wavelength and increasing attenuation at wavelengths away from the adjustable peak wavelength. The tunable filter can receive first input light, having a first wavelength, and can spectrally filter the first input light to form first output light. A detector can detect at least a fraction of the first output light. Circuitry coupled to the detector and the tunable filter can tune the tunable filter to maximize a signal from the detector and thereby adjust the peak wavelength to match the first wavelength. The tunable filter further can receive second input light and spectrally filter the second input light at the first wavelength.
摘要翻译：光学系统可以自动地将可调节的光谱滤波器锁定到入射光信号的第一波长，并且可以自动地过滤第一波长的附加入射光信号。可调谐滤波器可以具有可调节的峰值波长的滤波频谱，并且在远离可调节峰值波长的波长处增加衰减。可调谐滤波器可以接收具有第一波长的第一输入光，并且可以对第一输入光进行光谱滤波以形成第一输出光。检测器可以检测至少一部分第一输出光。耦合到检测器和可调谐滤波器的电路可调谐可调滤波器以使来自检测器的信号最大化，从而调整峰值波长以匹配第一波长。可调谐滤波器还可以接收第二输入光并对第一波长的第二输入光进行光谱滤波。

10. 发明授权

US09432750B1 Contentionless N×M wavelength cross connect 有权
标题翻译：无连接N×M波长交叉连接
公开(公告)号：US09432750B1
公开(公告)日：2016-08-30
申请号：US14257846
申请日：2014-04-21
申请人： WAVEXING, INC.
发明人： Fenghua Li
IPC分类号： H04B10/00 , H04Q11/00
CPC分类号： H04Q11/0005 , G02B6/29383 , G02B6/29394 , G02B6/32 , G02B6/3534 , G02B6/3546 , G02B6/356 , G02F1/0136 , G02F1/1326 , H04J14/0204 , H04J14/021 , H04J14/0221 , H04J14/06 , H04Q2011/0015 , H04Q2011/0016 , H04Q2011/0022 , H04Q2011/0035 , H04Q2011/0041 , H04Q2011/0058
摘要： Technology for a contentionless N×M wavelength cross connect (WXC) device is disclosed herein. The WXC device includes multiple input and output wavelength dispersive elements and a cross connect assembly. The cross connect assembly includes multiple rows of incoming ports. For each individual wavelength of different wavelengths, split optical beams of the individual wavelength from the input wavelength dispersive elements reach a row of incoming ports corresponding to the individual wavelength. The cross connect assembly further includes transmissive active switching elements and multiple rows of outgoing ports. The transmissive active switching elements configured to dynamically establish at least one optical path between an incoming port within the row of incoming ports corresponding to the individual wavelength and an outgoing port within a row of output ports corresponding to the individual wavelength.
摘要翻译：本文公开了无竞争的N×M波长交叉连接（WXC）装置的技术。 WXC器件包括多个输入和输出波长色散元件和交叉连接组件。交叉连接组件包括多排进入端口。对于不同波长的每个单独的波长，来自输入波长色散元件的单独波长的分离光束到达对应于各个波长的入口端口行。交叉连接组件还包括透射有源开关元件和多排输出端口。所述透射有源开关元件被配置为在对应于各个波长的输入端口的行中的输入端口与对应于各个波长的一排输出端口内的输出端口之间动态建立至少一个光路。

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