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公开(公告)号：US10061094B2
公开(公告)日：2018-08-28
申请号：US15716103
申请日：2017-09-26
Applicant: Luxtera, Inc.
Inventor： Daniel Kucharski , John Andrew Guckenberger , Thierry Pinguet , Sherif Abdalla
IPC: G02B6/42
Abstract: A method and system for implementing high-speed electrical interfaces between semiconductor dies in optical communication systems are disclosed and may include communicating electrical signals between a first die and a second die via coupling pads which may be located in low impedance points in Tx and Rx paths. The electrical signals may be communicated via one or more current-mode, controlled impedance, and/or capacitively-coupled interfaces. The current-mode interface may include a cascode amplifier stage split between source and drain terminals of transistors on the dies. The controlled-impedance interfaces may include transmission line drivers on a first die and transmission lines on a second die. The capacitively-coupled interfaces may include capacitors formed by contact pads on the dies. The coupling pads may be connected via one or more of: wire bonds, metal pillars, solder balls, or conductive resin. The dies may comprise CMOS and may be coupled in a flip-chip configuration.
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公开(公告)号：US20180017747A1
公开(公告)日：2018-01-18
申请号：US15716103
申请日：2017-09-26
Applicant: Luxtera, Inc.
Inventor： Daniel Kucharski , John Andrew Guckenberger , Thierry Pinguet , Sherif Abdalla
IPC: G02B6/42
CPC classification number: G02B6/4274 , G02B6/4286
Abstract: A method and system for implementing high-speed electrical interfaces between semiconductor dies in optical communication systems are disclosed and may include communicating electrical signals between a first die and a second die via coupling pads which may be located in low impedance points in Tx and Rx paths. The electrical signals may be communicated via one or more current-mode, controlled impedance, and/or capacitively-coupled interfaces. The current-mode interface may include a cascode amplifier stage split between source and drain terminals of transistors on the dies. The controlled-impedance interfaces may include transmission line drivers on a first die and transmission lines on a second die. The capacitively-coupled interfaces may include capacitors formed by contact pads on the dies. The coupling pads may be connected via one or more of: wire bonds, metal pillars, solder balls, or conductive resin. The dies may comprise CMOS and may be coupled in a flip-chip configuration.
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公开(公告)号：US20180364430A1
公开(公告)日：2018-12-20
申请号：US16110587
申请日：2018-08-23
Applicant: Luxtera, Inc.
Inventor： Daniel Kucharski , John Andrew Guckenberger , Thierry Pinguet , Sherif Abdalla
IPC: G02B6/42
CPC classification number: G02B6/4274 , G02B6/4286
Abstract: A method and system for implementing high-speed electrical interfaces between semiconductor dies in optical communication systems are disclosed and may include communicating electrical signals between a first die and a second die via coupling pads which may be located in low impedance points in Tx and Rx paths. The electrical signals may be communicated via one or more current-mode, controlled impedance, and/or capacitively-coupled interfaces. The current-mode interface may include a cascode amplifier stage split between source and drain terminals of transistors on the dies. The controlled-impedance interfaces may include transmission line drivers on a first die and transmission lines on a second die. The capacitively-coupled interfaces may include capacitors formed by contact pads on the dies. The coupling pads may be connected via one or more of: wire bonds, metal pillars, solder balls, or conductive resin. The dies may comprise CMOS and may be coupled in a flip-chip configuration.
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公开(公告)号：US09819422B2
公开(公告)日：2017-11-14
申请号：US14957083
申请日：2015-12-02
Applicant: Luxtera, Inc.
Inventor： John Andrew Guckenberger
CPC classification number: H04B10/6931 , H04B10/2575 , H04B10/60 , H04B10/66 , H04B10/69 , H04B10/6972
Abstract: Methods and systems for a narrowband, non-linear optoelectronic receiver are disclosed and may include amplifying a received signal, limiting a bandwidth of the received signal, and restoring the signal utilizing a level restorer, which may include a non-return to zero (NRZ) level restorer comprising two parallel inverters, with one being a feedback path for the other. The inverters may be single-ended or differential. A photogenerated signal may be amplified in the receiver utilizing a transimpedance amplifier and programmable gain amplifiers (PGAs). A received electrical signal may be amplified via PGAs. The bandwidth of the received signal may be limited utilizing one or more of: a low pass filter, a bandpass filter, a high pass filter, a differentiator, or a series capacitance on the chip. The signal may be received from a photodiode integrated on the chip, where the photodiode may be AC coupled to an amplifier for the amplifying.
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公开(公告)号：US09209907B2
公开(公告)日：2015-12-08
申请号：US14337736
申请日：2014-07-22
Applicant: Luxtera, Inc.
Inventor： John Andrew Guckenberger
IPC: H04B10/06 , H04B10/60 , H04B10/69 , H04B10/2575
CPC classification number: H04B10/6931 , H04B10/2575 , H04B10/60 , H04B10/66 , H04B10/69 , H04B10/6972
Abstract: Methods and systems for a narrowband, non-linear optoelectronic receiver are disclosed and may include amplifying a received signal, limiting a bandwidth of the received signal, and restoring the signal utilizing a level restorer, which may include a non-return to zero (NRZ) level restorer comprising two parallel inverters, with one being a feedback path for the other. The inverters may be single-ended or differential. A photogenerated signal may be amplified in the receiver utilizing a transimpedance amplifier and programmable gain amplifiers (PGAs). A received electrical signal may be amplified via PGAs. The bandwidth of the received signal may be limited utilizing one or more of: a low pass filter, a bandpass filter, a high pass filter, a differentiator, or a series capacitance on the chip. The signal may be received from a photodiode integrated on the chip, where the photodiode may be AC coupled to an amplifier for the amplifying.
Abstract translation: 公开了用于窄带非线性光电接收机的方法和系统，并且可以包括放大接收信号，限制接收信号的带宽，以及使用电平恢复器恢复信号，该电平恢复器可以包括不返回零（NRZ ）电平恢复器，其包括两个并联逆变器，一个是用于另一个的反馈路径。 逆变器可以是单端或差分。 可以利用跨阻抗放大器和可编程增益放大器（PGA）在接收器中放大光生代信号。 接收到的电信号可以通过PGA放大。 可以利用芯片上的低通滤波器，带通滤波器，高通滤波器，微分器或串联电容中的一个或多个来限制接收信号的带宽。 信号可以从集成在芯片上的光电二极管接收，其中光电二极管可以被AC耦合到用于放大的放大器。
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Patent Agency Ranking
公开(公告)号：US10302880B2
公开(公告)日：2019-05-28
申请号：US16110587
申请日：2018-08-23
Applicant: Luxtera, Inc.
Inventor： Daniel Kucharski , John Andrew Guckenberger , Thierry Pinguet , Sherif Abdalla
IPC: G02B6/42
Abstract: A method and system for implementing high-speed electrical interfaces between semiconductor dies in optical communication systems are disclosed and may include communicating electrical signals between a first die and a second die via coupling pads which may be located in low impedance points in Tx and Rx paths. The electrical signals may be communicated via one or more current-mode, controlled impedance, and/or capacitively-coupled interfaces. The current-mode interface may include a cascode amplifier stage split between source and drain terminals of transistors on the dies. The controlled-impedance interfaces may include transmission line drivers on a first die and transmission lines on a second die. The capacitively-coupled interfaces may include capacitors formed by contact pads on the dies. The coupling pads may be connected via one or more of: wire bonds, metal pillars, solder balls, or conductive resin. The dies may comprise CMOS and may be coupled in a flip-chip configuration.
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公开(公告)号：US10608750B2
公开(公告)日：2020-03-31
申请号：US15797664
申请日：2017-10-30
Applicant: Luxtera, Inc.
Inventor： John Andrew Guckenberger
IPC: H04B10/69 , H04B10/66 , H04B10/2575 , H04B10/60
Abstract: Methods and systems for a narrowband, non-linear optoelectronic receiver are disclosed and may include amplifying a received signal, limiting a bandwidth of the received signal, and restoring the signal utilizing a level restorer, which may include a non-return to zero (NRZ) level restorer. The NRZ level restorer may include a pulse-triggered bistable circuit, which may include two parallel inverters, with one being a feedback path for the other. The inverters may be single-ended or differential. A photogenerated signal may be amplified in the receiver utilizing a transimpedance amplifier and programmable gain amplifiers (PGAs). A received electrical signal may be amplified via PGAs. The bandwidth of the received signal may be limited utilizing one or more of: a low pass filter, a bandpass filter, a high pass filter, a differentiator, or a series capacitance on the chip. The signal may be received from a photodiode integrated on the chip.
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公开(公告)号：US20190293883A1
公开(公告)日：2019-09-26
申请号：US16424136
申请日：2019-05-28
Applicant: Luxtera, Inc.
Inventor： Daniel Kucharski , John Andrew Guckenberger , Thierry Pinguet , Sherif Abdalla
IPC: G02B6/42
Abstract: A method and system for implementing high-speed electrical interfaces between semiconductor dies in optical communication systems are disclosed and may include communicating electrical signals between a first die and a second die via coupling pads which may be located in low impedance points in Tx and Rx paths. The electrical signals may be communicated via one or more current-mode, controlled impedance, and/or capacitively-coupled interfaces. The current-mode interface may include a cascode amplifier stage split between source and drain terminals of transistors on the dies. The controlled-impedance interfaces may include transmission line drivers on a first die and transmission lines on a second die. The capacitively-coupled interfaces may include capacitors formed by contact pads on the dies. The coupling pads may be connected via one or more of: wire bonds, metal pillars, solder balls, or conductive resin. The dies may comprise CMOS and may be coupled in a flip-chip configuration.
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公开(公告)号：US20180062763A1
公开(公告)日：2018-03-01
申请号：US15797664
申请日：2017-10-30
Applicant: Luxtera, Inc.
Inventor： John Andrew Guckenberger
IPC: H04B10/69 , H04B10/2575 , H04B10/60 , H04B10/66
CPC classification number: H04B10/6931 , H04B10/2575 , H04B10/60 , H04B10/66 , H04B10/69 , H04B10/6972
Abstract: Methods and systems for a narrowband, non-linear optoelectronic receiver are disclosed and may include amplifying a received signal, limiting a bandwidth of the received signal, and restoring the signal utilizing a level restorer, which may include a non-return to zero (NRZ) level restorer. The NRZ level restorer may include a pulse-triggered bistable circuit, which may include two parallel inverters, with one being a feedback path for the other. The inverters may be single-ended or differential. A photogenerated signal may be amplified in the receiver utilizing a transimpedance amplifier and programmable gain amplifiers (PGAs). A received electrical signal may be amplified via PGAs. The bandwidth of the received signal may be limited utilizing one or more of: a low pass filter, a bandpass filter, a high pass filter, a differentiator, or a series capacitance on the chip. The signal may be received from a photodiode integrated on the chip.
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10.发明申请公开(公告)号：US20160087728A1
公开(公告)日：2016-03-24
申请号：US14957083
申请日：2015-12-02
Applicant: Luxtera, Inc.
Inventor： John Andrew Guckenberger
IPC: H04B10/69
CPC classification number: H04B10/6931 , H04B10/2575 , H04B10/60 , H04B10/66 , H04B10/69 , H04B10/6972
Abstract: Methods and systems for a narrowband, non-linear optoelectronic receiver are disclosed and may include amplifying a received signal, limiting a bandwidth of the received signal, and restoring the signal utilizing a level restorer, which may include a non-return to zero (NRZ) level restorer comprising two parallel inverters, with one being a feedback path for the other. The inverters may be single-ended or differential. A photogenerated signal may be amplified in the receiver utilizing a transimpedance amplifier and programmable gain amplifiers (PGAs). A received electrical signal may be amplified via PGAs. The bandwidth of the received signal may be limited utilizing one or more of: a low pass filter, a bandpass filter, a high pass filter, a differentiator, or a series capacitance on the chip. The signal may be received from a photodiode integrated on the chip, where the photodiode may be AC coupled to an amplifier for the amplifying.
Abstract translation: 公开了用于窄带非线性光电接收机的方法和系统，并且可以包括放大接收信号，限制接收信号的带宽，以及使用电平恢复器恢复信号，该电平恢复器可以包括不返回零（NRZ ）电平恢复器，其包括两个并联逆变器，一个是用于另一个的反馈路径。 逆变器可以是单端或差分。 可以利用跨阻抗放大器和可编程增益放大器（PGA）在接收器中放大光生代信号。 接收到的电信号可以通过PGA放大。 可以利用芯片上的低通滤波器，带通滤波器，高通滤波器，微分器或串联电容中的一个或多个来限制接收信号的带宽。 信号可以从集成在芯片上的光电二极管接收，其中光电二极管可以被AC耦合到用于放大的放大器。
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