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公开(公告)号：US09166367B2
公开(公告)日：2015-10-20
申请号：US14386183
申请日：2012-04-25
申请人： Zhubiao Zhu , Dacheng Zhou , Daniel A. Berkram
发明人： Zhubiao Zhu , Dacheng Zhou , Daniel A. Berkram
IPC分类号： H01S3/13 , H01S5/06 , H01S5/068 , H01S5/0683 , H01S5/183 , H01S3/131 , H04B10/564 , H01S5/42
CPC分类号： H01S5/06 , H01S3/13 , H01S3/1306 , H01S3/131 , H01S5/068 , H01S5/06832 , H01S5/183 , H01S5/423 , H04B10/564
摘要： Methods, systems, and computer-readable media are provided for operating a vertical-cavity surface-emitting laser. Operating a vertical-cavity surface-emitting laser can include sending a signal to a driver to decrease an optical power of a vertical cavity surface emitting laser transmitter, and sending a signal to the driver associated with increasing the optical power by a particular amount in response to determining that the optical power is insufficient for reception by a receiver.
摘要翻译： 提供了用于操作垂直腔表面发射激光器的方法，系统和计算机可读介质。 操作垂直腔表面发射激光器可以包括向驾驶员发送信号以降低垂直腔表面发射激光发射器的光功率，并且向响应于发射信号的光功率增加特定量发送信号到驱动器 以确定光功率不足以用于接收机的接收。
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公开(公告)号：US20150110142A1
公开(公告)日：2015-04-23
申请号：US14386183
申请日：2012-04-25
申请人： Zhubiao Zhu , Dacheng Zhou , Daniel A. Berkram
发明人： Zhubiao Zhu , Dacheng Zhou , Daniel A. Berkram
CPC分类号： H01S5/06 , H01S3/13 , H01S3/1306 , H01S3/131 , H01S5/068 , H01S5/06832 , H01S5/183 , H01S5/423 , H04B10/564
摘要： Methods, systems, and computer-readable mediah are provided for operating a vertical-cavity surface-emitting laser. Operating a vertical-cavity surface-emitting laser can include sending a signal to a driver to decrease an optical power of a vertical cavity surface emitting laser transmitter, and sending a signal to the driver associated with increasing the optical power by a particular amount in response to determining that the optical power is insufficient for reception by a receiver.
摘要翻译： 提供了用于操作垂直腔表面发射激光器的方法，系统和计算机可读介质。 操作垂直腔表面发射激光器可以包括向驾驶员发送信号以降低垂直腔表面发射激光发射器的光功率，并且向响应于发射信号的光功率增加特定量发送信号到驱动器 以确定光功率不足以用于接收机的接收。
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公开(公告)号：US20150050029A1
公开(公告)日：2015-02-19
申请号：US14387264
申请日：2012-04-25
申请人： Dacheng Zhou , Daniel A. Berkram , Zhubiao Zhu
发明人： Dacheng Zhou , Daniel A. Berkram , Zhubiao Zhu
IPC分类号： H04B10/564 , G06F1/32 , H04B10/27
CPC分类号： H04B10/564 , G06F1/3296 , H04B10/27
摘要： Methods, systems, and computer-readable media are provided for operating a vertical cavity surface-emitting laser. Operating a vertical-cavity surface-emitting laser can include receiving an optical signal from a transmitter, converting the optical signal to a waveform, generating a read capture window based on the waveform, sampling data at a first position in the read capture window, sampling data at a second position in the read capture window, and sending a signal to the transmitter to increase a power level of the optical signal in response to a difference between the sampled data at the first position and the sampled data at the second position exceeding a threshold.
摘要翻译： 提供了用于操作垂直腔表面发射激光器的方法，系统和计算机可读介质。 操作垂直腔表面发射激光器可以包括从发射器接收光信号，将光信号转换为波形，基于波形产生读取捕获窗口，在读取捕获窗口中的第一位置采样数据，采样 在读取捕获窗口中的第二位置处的数据，并且响应于在第一位置处的采样数据与第二位置处的采样数据之间的差异，向发射机发送信号以增加光信号的功率电平，超过 阈。
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公开(公告)号：US20150155686A1
公开(公告)日：2015-06-04
申请号：US14379554
申请日：2012-04-25
申请人： Daniel A. Berkram , Dacheng Zhou , Zhubiao Zhu
发明人： Daniel A. Berkram , Dacheng Zhou , Zhubiao Zhu
CPC分类号： H01S5/042 , H01S5/0617 , H01S5/06808 , H01S5/183
摘要： Methods, systems, and devices are provided for operating a vertical-cavity surface-emitting laser. Operating a vertical-cavity surface-emitting laser can include determining an output voltage of a vertical-cavity surface-emitting laser driver, determining a relationship between the output voltage and a reference voltage, and adjusting an output current of the vertical-cavity surface-emitting laser driver based, at least in part, on the determined relationship.
摘要翻译： 提供了用于操作垂直腔表面发射激光器的方法，系统和装置。 操作垂直腔表面发射激光器可以包括确定垂直腔表面发射激光器驱动器的输出电压，确定输出电压和参考电压之间的关系，以及调整垂直腔表面发射激光器的输出电流。 至少部分地基于确定的关系发射激光驱动器。
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公开(公告)号：US20150054555A1
公开(公告)日：2015-02-26
申请号：US14387618
申请日：2012-04-26
申请人： Daniel A. Berkram , Zhubiao Zhu
发明人： Daniel A. Berkram , Zhubiao Zhu
CPC分类号： H03L7/091 , H03K5/135 , H03L7/0812 , H03L7/093 , H03L7/1075 , H03L2207/04
摘要： Apparatuses and methods for a self-biased delay looked loop with delay linearization are provided. One example delay locked loop (DU) circuit (100, 200) can include a digital-to-analog converter (DAC) (104, 204, 304) and a bias generator (188, 208) communicatively coupled to an output of the DAC (106, 206, 306). The bias generator (108, 206) is configured to provide a clock signal and a bias signal. A delay control circuit (DCC) (109, 209) is communicatively coupled to the bias generator (108, 208). The DCC (109, 209) is configured to provide a delayed clock signal based on the clock signal and the bias signal. A DAC bias circuit (122, 222, 422) is communicatively coupled to the DAC (106, 206, 306) and configured to provide a feedback signal to the DAC (104, 204, 304) based on the bias signal. The DAC bias circuit (122, 222, 422) configured to adjust the feedback signal to cause the delayed clock signal at the output of the DAC (106, 206, 306) to be non-linear to counteract non-linear delay characteristics of the DCC (109, 209).
摘要翻译： 提供了具有延迟线性化的自偏置延迟看法循环的装置和方法。 一个示例的延迟锁定环路（DU）电路（100,200）可以包括数模转换器（DAC）（104,204,304）和通信地耦合到DAC的输出的偏置发生器（188,208） （106,206,306）。 偏置发生器（108,206）被配置为提供时钟信号和偏置信号。 延迟控制电路（DCC）（109,209）通信地耦合到偏置发生器（108,208）。 DCC（109,209）被配置为基于时钟信号和偏置信号提供延迟的时钟信号。 DAC偏置电路（122,222,422）通信地耦合到DAC（106,206,306），并且被配置为基于偏置信号向DAC（104,204,304）提供反馈信号。 所述DAC偏置电路（122,222,422）被配置为调整所述反馈信号以使所述DAC（106,206,306）的输出处的所述经延迟的时钟信号是非线性的，以抵消所述DAC的非线性延迟特性 DCC（109,209）。
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公开(公告)号：US09300304B2
公开(公告)日：2016-03-29
申请号：US14387618
申请日：2012-04-26
申请人： Daniel A. Berkram , Zhubiao Zhu
发明人： Daniel A. Berkram , Zhubiao Zhu
CPC分类号： H03L7/091 , H03K5/135 , H03L7/0812 , H03L7/093 , H03L7/1075 , H03L2207/04
摘要： Apparatuses and methods for a self-biased delay looked loop with delay linearization are provided. One example delay locked loop (DLL) circuit (100, 200) can include a digital-to-analog converter (DAC) (104, 204, 304) and a bias generator (108, 208) communicatively coupled to an output of the DAC (106, 206, 306). The bias generator (108, 208) is configured to provide a clock signal and a bias signal. A delay control circuit (DCC) (109, 209) is communicatively coupled to the bias generator (108, 208). The DCC (109, 209) is configured to provide a delayed clock signal based on the clock signal and the bias signal. A DAC bias circuit (122, 222, 422) is communicatively coupled to the DAC (106, 206, 306) and configured to provide a feedback signal to the DAC (104, 204, 304) based on the bias signal. The DAC bias circuit (122, 222, 422) is configured to adjust the feedback signal to cause the delayed clock signal at the output of the DAC (106, 206, 306) to be non-linear to counteract non-linear delay characteristics of the DCC (109, 209).
摘要翻译： 提供了具有延迟线性化的自偏置延迟看法循环的装置和方法。 一个示例性延迟锁定环（DLL）电路（100,200）可以包括数模转换器（DAC）（104,204,304）和通信地耦合到DAC的输出的偏置发生器（108,208） （106,206,306）。 偏置发生器（108,208）被配置为提供时钟信号和偏置信号。 延迟控制电路（DCC）（109,209）通信地耦合到偏置发生器（108,208）。 DCC（109,209）被配置为基于时钟信号和偏置信号提供延迟的时钟信号。 DAC偏置电路（122,222,422）通信地耦合到DAC（106,206,306），并且被配置为基于偏置信号向DAC（104,204,304）提供反馈信号。 DAC偏置电路（122,222,422）被配置为调整反馈信号以使得DAC（106,206,306）的输出处的延迟的时钟信号是非线性的，以抵消非线性延迟特性 DCC（109,209）。
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公开(公告)号：US20150010312A1
公开(公告)日：2015-01-08
申请号：US14379662
申请日：2012-04-24
申请人： Daniel A. Berkram , Dacheng Zhou
发明人： Daniel A. Berkram , Dacheng Zhou
CPC分类号： H04L7/0075 , H04B10/40 , H04B10/6164 , H04L7/0008 , H04L7/0331 , H04L7/04
摘要： Apparatuses and methods for an optical data interface with electrical forwarded clock are provided. One example optical data interface (220, 320) can include a transmitter (224, 324) having a data input (232, 332) and a clock input (242, 342), and a receiver (226, 326) having a data output (271, 339) and a forwarded clock signal path (254, 376). An optical communication path (248, 348) is coupled between the data input (232, 332) and the data output (271, 339) and configured to communicate a data signal. An electrical communication path (236, 336) is coupled between the clock input (242, 342) and the forwarded clock signal path (254, 376). The electrical communication path (236, 336) is arranged to forward a clock signal used by the receiver (226, 326) as a reference for the optical data signal.
摘要翻译： 提供了具有电转发时钟的光数据接口的装置和方法。 一个示例性光数据接口（220,320）可以包括具有数据输入（232,332）和时钟输入（242,342）的发射机（224,324）和具有数据输出的接收机（226,326） （271,339）和转发的时钟信号路径（254,376）。 光通信路径（248,348）耦合在数据输入（232,332）和数据输出（271,339）之间，并且被配置为传送数据信号。 电通信路径（236,336）耦合在时钟输入（242,342）和转发的时钟信号路径（254,376）之间。 电通信路径（236,336）被布置为将由接收机（226,326）使用的时钟信号作为光数据信号的参考。
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8.发明授权公开(公告)号：US09413305B2
公开(公告)日：2016-08-09
申请号：US14391300
申请日：2012-04-30
申请人： Dacheng Zhou , Daniel A. Berkram
发明人： Dacheng Zhou , Daniel A. Berkram
CPC分类号： H03F3/08 , H03F1/086 , H03F3/082 , H03F2200/255 , H03F2200/405 , H03F2200/72 , H04B10/43
摘要： In at least some examples, a communication device includes a photo-diode to convert an optical signal into an electrical current and a feedback-based trans-impedance amplifier to amplify the electrical current. The communication device also includes a transmission line between the photo-diode and the feedback-based trans-impedance amplifier. The feedback-based trans-impedance amplifier includes a programmable input impedance that has been matched to an impedance of the transmission line.
摘要翻译： 在至少一些示例中，通信设备包括用于将光信号转换为电流的光电二极管和用于放大电流的基于反馈的跨阻抗放大器。 通信设备还包括光电二极管和基于反馈的跨阻抗放大器之间的传输线。 基于反馈的跨阻抗放大器包括与传输线的阻抗匹配的可编程输入阻抗。
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公开(公告)号：US07816975B2
公开(公告)日：2010-10-19
申请号：US11230786
申请日：2005-09-20
申请人： Dacheng Zhou , Jeffry Yetter , Daniel A. Berkram
发明人： Dacheng Zhou , Jeffry Yetter , Daniel A. Berkram
IPC分类号： G05F1/10
摘要： A bias voltage generation circuit is provided which includes a voltage-to-current translation circuit configured to generate a first current that is positively related to a first voltage. A current mirror circuit is configured to generate a first bias voltage that is negatively related to the first current. The current mirror circuit also generates a second current that is positively related to the first current. Also employed is a current-to-voltage translation circuit configured to generate a second bias voltage that is positively related to the second current.
摘要翻译： 提供了一种偏置电压产生电路，其包括被配置为产生与第一电压正相关的第一电流的电压 - 电流转换电路。 电流镜电路被配置为产生与第一电流负相关的第一偏置电压。 电流镜电路还产生与第一电流正相关的第二电流。 还采用电流 - 电压转换电路，其被配置为产生与第二电流正相关的第二偏置电压。
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10.发明授权公开(公告)号：US09515628B2
公开(公告)日：2016-12-06
申请号：US14379638
申请日：2012-04-25
申请人： Dacheng Zhou , Daniel A. Berkram
发明人： Dacheng Zhou , Daniel A. Berkram
CPC分类号： H03G3/3084 , H03F1/086 , H03F1/56 , H03F3/08 , H03F3/082 , H03F2200/222 , H03F2200/255 , H03F2200/405 , H03F2200/72 , H04B10/6931
摘要： In at least some examples, a communication device includes a photo-diode to convert an optical signal into an electrical current and an open-gain trans-impedance amplifier to amplify the electrical current. The communication device also includes a transmission line between the photo-diode and the open-gain trans-impedance amplifier. The open-gain trans-impedance amplifier includes a programmable input impedance that has been matched to an impedance of the transmission line.
摘要翻译： 在至少一些示例中，通信设备包括用于将光信号转换成电流的光电二极管和用于放大电流的开放增益跨阻抗放大器。 通信设备还包括光电二极管和开放增益跨阻抗放大器之间的传输线。 开放式增益型跨阻抗放大器包括与传输线路的阻抗匹配的可编程输入阻抗。
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