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21.发明公开
公开(公告)号：EP1160613A3
公开(公告)日：2003-11-19
申请号：EP01111969.0
申请日：2001-05-21
Applicant: Northrop Grumman Corporation
Inventor： Palese, Stephen P.
CPC classification number: G02F1/0126 , G02F1/0338 , G02F2201/205 , G02F2202/022 , G02F2203/50
Abstract: A time compensation architecture for use with a plurality of optical signals is disclosed. It comprises means for receiving the plurality of optical signals, optical means for selectively delaying the propagation of each of the plurality of optical signals, and means for outputting the time delayed optical signals. The delay may be achieved by changing the indices of refraction or the material lengths of the elements and can either be an active or a passive compensation technique.
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公开(公告)号：EP2185968A1
公开(公告)日：2010-05-19
申请号：EP08776081.5
申请日：2008-07-28
Applicant: Xtera Communications Limited
Inventor： WEBB, Stephen Michael , DESBRUSLAIS, Stephen , OBERLAND, Richard , ELLISON, John
IPC: G02F1/01 , H04B10/155
CPC classification number: G02F1/0136 , G02F1/0102 , G02F1/0147 , G02F2201/205 , G02F2203/585
Abstract: An apparatus and method are provided for filtering an optical signal by wavelength. An initially polarised signal is passed through a DGD element effective to alter the polarisation state of the components of the signal according to wavelength. A polarisation filter (polariser) is then provided to attenuate light having given polarisation states from the signal, thereby attenuating the wavelengths associated with said polarisation states. The invention finds particularly utility in the domain of vestigial sideband filtering, allowing the bandwidth of signals within a wavelength division multiplexed system to be reduced without introducing the deleterious effects associated with conventional wavelength filters.
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23.发明公开Time compensation architectures for controlling timing of optical signals 审中-公开Zeitkompensationsarchitektur zur Steuerung des Zeitverhaltens optischer Signale
公开(公告)号：EP1160613A2
公开(公告)日：2001-12-05
申请号：EP01111969.0
申请日：2001-05-21
Applicant: TRW Inc.
Inventor： Palese, Stephen P.
CPC classification number: G02F1/0126 , G02F1/0338 , G02F2201/205 , G02F2202/022 , G02F2203/50
Abstract: A time compensation architecture for use with a plurality of optical signals is disclosed. It comprises means for receiving the plurality of optical signals, optical means for selectively delaying the propagation of each of the plurality of optical signals, and means for outputting the time delayed optical signals. The delay may be achieved by changing the indices of refraction or the material lengths of the elements and can either be an active or a passive compensation technique.
Abstract translation: 公开了一种用于多个光信号的时间补偿架构。 它包括用于接收多个光信号的装置，用于选择性地延迟多个光信号中的每一个的传播的光学装置，以及用于输出时间延迟的光信号的装置。 可以通过改变折射率或元件的材料长度来实现延迟，并且可以是有源或无源补偿技术。
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公开(公告)号：US12038668B2
公开(公告)日：2024-07-16
申请号：US17786775
申请日：2020-12-21
Applicant: NKT PHOTONICS A/S
Inventor： Thomas Vestergaard Andersen
CPC classification number: G02F1/3528 , G02F1/365 , H01S3/0085 , H01S3/0092 , G02F2201/20 , G02F2201/205
Abstract: A light source, including: a pulse generator for providing an initial sequence of light pulses, the pulse generator including an optical source for producing optical pulses; and a modulator in communication with the optical source for increasing or decreasing the selected number of pulses provided by the pulse generator in the selected time period; first and second optical arms, for propagating, respectively, first and second sequences of light pulses, wherein the first optical arm includes a first manipulator configured to generate the first sequence of light pulses from the initial sequence of light pulses, wherein the light source includes a nonlinear optical element arranged to receive the first sequence of light pulses or the second sequence of light pulses, and an optical switch arranged to switch either the first sequence of light pulses or the second sequence of light pulses for reception by the nonlinear optical element.
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公开(公告)号：US11843417B2
公开(公告)日：2023-12-12
申请号：US18197751
申请日：2023-05-16
Applicant: ZHEJIANG LAB
Inventor： Qiang Zhang , Hui Yu
CPC classification number: H04B10/60 , G02F1/2955 , G02F1/311 , G02F1/3131 , G02F2201/06 , G02F2201/205 , G02F2201/307 , G02F2202/10 , G02F2203/58 , G02F2203/70
Abstract: A programmable two-dimensional simultaneous multi-beam optically operated phased array receiver chip is manufactured based on silicon-on-insulator (SOI) and indium phosphide (InP) semiconductor manufacturing processes, including the SiN process. The InP-based semiconductor is used for preparing a laser array chip and a semiconductor optical amplifier array chip, the SiN is used for preparing an optical power divider, and the SOI semiconductor is used for preparing a silicon optical modulator, a germanium-silicon detector, an optical wavelength multiplexer, a true delay line, and other passive optical devices. The whole integration of the receiver chip is realized through heterogeneous integration of the InP-based chip and the SOI-based chip. Simultaneous multi-beam scanning can be realized through peripheral circuit programming control. The chip not only can realize two-dimensional multi-beam scanning, but also has strong expansibility, such that the chip can be used for ultra-wideband high-capacity wireless communication and simultaneous multi-target radar recognition systems.
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Patent Agency Ranking
公开(公告)号：US08200047B1
公开(公告)日：2012-06-12
申请号：US12466338
申请日：2009-05-14
Applicant: Anthony C. Kowalczyk
Inventor： Anthony C. Kowalczyk
CPC classification number: G02B6/2861 , G02B6/12004 , G02B6/12009 , G02F1/292 , G02F1/313 , G02F2201/20 , G02F2201/205 , G02F2202/20 , G02F2203/24 , H01Q3/2676 , H01Q3/2682 , H04J14/0223 , H04J14/08
Abstract: Described are systems and methods that provide tunable true time delay of a signal using a compact photonic circuit. The photonic circuit comprises a plurality of waveguides, in which each waveguide corresponds to a different time delay. A particular one of the waveguides corresponding to a desired time delay is selected by tuning the wavelength of a tunable laser. Additional photonic circuits can be used to provide additional selectable time delays.
Abstract translation: 描述了使用紧凑型光子电路提供信号的可调谐真实时间延迟的系统和方法。 光子电路包括多个波导，其中每个波导对应于不同的时间延迟。 通过调谐可调激光器的波长来选择对应于所需时间延迟的特定一个波导。 可以使用额外的光子电路来提供额外的可选择的时间延迟。
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公开(公告)号：US07893395B2
公开(公告)日：2011-02-22
申请号：US10167641
申请日：2002-05-28
Applicant: Christopher Ralph Pescod , Andrew James Smith
Inventor： Christopher Ralph Pescod , Andrew James Smith
IPC: G01J1/04
CPC classification number: H04B10/112 , G01S7/38 , G02B6/2861 , G02F1/0134 , G02F2201/02 , G02F2201/205
Abstract: This invention relates to optical delay lines, particularly to modifying an optical signal passing through an optical delay line. A method of applying a Doppler shift to an optical signal as it passes through an optical delay line is provided, the method comprising the step of progressively altering a property of the optical delay line during passage of the optical signal therethrough such that the time taken for the optical signal to pass therethrough is progressively lengthened or progressively shortened for successive portions of the optical signal. In addition, an optical delay line is provided that may be used in accordance with the above method.
Abstract translation: 本发明涉及光延迟线，特别涉及修改通过光延迟线的光信号。 提供了一种当光信号通过光延迟线时将多普勒频移应用于光信号的方法，所述方法包括在光信号通过期间逐渐改变光延迟线的特性的步骤，使得所需的时间 对于光信号的连续部分，通过的光信号被逐渐地延长或逐渐缩短。 此外，提供可以根据上述方法使用的光学延迟线。
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公开(公告)号：US20060016969A1
公开(公告)日：2006-01-26
申请号：US10167641
申请日：2002-05-28
Applicant: Christopher Pescod , Andrew Smith
Inventor： Christopher Pescod , Andrew Smith
CPC classification number: H04B10/112 , G01S7/38 , G02B6/2861 , G02F1/0134 , G02F2201/02 , G02F2201/205
Abstract: This invention relates to optical delay lines, particularly to modifying an optical signal passing through an optical delay line. A method of applying a Doppler shift to an optical signal as it passes through an optical delay line is provided, the method comprising the step of progressively altering a property of the optical delay line during passage of the optical signal therethrough such that the time taken for the optical signal to pass therethrough is progressively lengthened or progressively shortened for successive portions of the optical signal. In addition, an optical delay line is provided that may be used in accordance with the above method.
Abstract translation: 本发明涉及光延迟线，特别涉及修改通过光延迟线的光信号。 提供了一种当光信号通过光延迟线时将多普勒频移应用于光信号的方法，所述方法包括在光信号通过期间逐渐改变光延迟线的特性的步骤，使得所需的时间 对于光信号的连续部分，通过的光信号被逐渐地延长或逐渐缩短。 此外，提供可以根据上述方法使用的光学延迟线。
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29.发明授权公开(公告)号：US06580540B1
公开(公告)日：2003-06-17
申请号：US09587126
申请日：2000-06-02
Applicant: Stephen P. Palese
Inventor： Stephen P. Palese
IPC: H04J1408
CPC classification number: G02F1/0126 , G02F1/0338 , G02F2201/205 , G02F2202/022 , G02F2203/50
Abstract: A time compensation architecture for use with a plurality of optical signals is disclosed. It comprises means for receiving the plurality of optical signals, optical means for selectively delaying the propagation of each of the plurality of optical signals, and means for outputting the time delayed optical signals. The delay may be achieved by changing the indices of refraction or the material lengths of the elements and can either be an active or a passive compensation technique.
Abstract translation: 公开了一种用于多个光信号的时间补偿架构。 它包括用于接收多个光信号的装置，用于选择性地延迟多个光信号中的每一个的传播的光学装置，以及用于输出时间延迟的光信号的装置。 可以通过改变折射率或元件的材料长度来实现延迟，并且可以是有源或无源补偿技术。
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30.发明公开公开(公告)号：US20230291483A1
公开(公告)日：2023-09-14
申请号：US18197751
申请日：2023-05-16
Applicant: ZHEJIANG LAB
Inventor： Qiang ZHANG , Hui YU
CPC classification number: H04B10/60 , G02F1/2955 , G02F1/311 , G02F1/3131 , G02F2202/10 , G02F2201/307 , G02F2203/70 , G02F2201/06 , G02F2201/205 , G02F2203/58
Abstract: A programmable two-dimensional simultaneous multi-beam optically operated phased array receiver chip is manufactured based on silicon-on-insulator (SOI) and indium phosphide (InP) semiconductor manufacturing processes, including the SiN process. The InP-based semiconductor is used for preparing a laser array chip and a semiconductor optical amplifier array chip, the SiN is used for preparing an optical power divider, and the SOI semiconductor is used for preparing a silicon optical modulator, a germanium-silicon detector, an optical wavelength multiplexer, a true delay line, and other passive optical devices. The whole integration of the receiver chip is realized through heterogeneous integration of the InP-based chip and the SOI-based chip. Simultaneous multi-beam scanning can be realized through peripheral circuit programming control. The chip not only can realize two-dimensional multi-beam scanning, but also has strong expansibility, such that the chip can be used for ultra-wideband high-capacity wireless communication and simultaneous multi-target radar recognition systems.
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