Optical FM source based on intra-cavity phase and amplitude modulation in lasers
    1.
    发明授权
    Optical FM source based on intra-cavity phase and amplitude modulation in lasers 有权
    基于激光器内腔内相位和幅度调制的光学FM源

    公开(公告)号:US07613401B2

    公开(公告)日:2009-11-03

    申请号:US11787163

    申请日:2007-04-13

    IPC分类号: H04B10/04

    摘要: A fiber optic communication system comprising: an optical signal source adapted to receive a binary base signal having a bit period T, and generate a first signal, wherein the first signal is frequency modulated; and an optical spectrum reshaper (OSR) adapted to reshape the first signal into a second signal, wherein the second signal is amplitude modulated and frequency modulated; characterized in that: the optical signal source is a laser in which frequency modulation is generated by modulating the loss of the laser cavity. A method for transmitting a signal, comprising: receiving a binary base signal having a bit period T, and generating a first signal, wherein the first signal is frequency modulated; and reshaping the first signal into a second signal, wherein the second signal is amplitude modulated and frequency modulated; characterized in that: the first signal is frequency modulated by using a laser in which frequency modulation is generated by modulating the loss of the laser cavity. A fiber optic communication system comprising: an optical signal source adapted to receive a binary base signal having a bit period T, and generate a first signal, wherein the first signal is frequency modulated; and an optical spectrum reshaper (OSR) adapted to reshape the first signal into a second signal, wherein the second signal is amplitude modulated and frequency modulated; characterized in that: the optical signal source is a laser in which frequency modulation is generated by modulating the phase of the laser cavity.

    摘要翻译: 一种光纤通信系统,包括:光信号源,适于接收具有位周期T的二进制基本信号,并产生第一信号,其中所述第一信号被频率调制; 以及适于将所述第一信号重新形成第二信号的光谱整形器(OSR),其中所述第二信号被幅度调制和频率调制; 其特征在于:光信号源是通过调制激光腔的损耗来产生频率调制的激光器。 一种用于发送信号的方法,包括:接收具有位周期T的二进制基本信号,并产生第一信号,其中第一信号被频率调制; 以及将所述第一信号重新形成第二信号,其中所述第二信号被幅度调制和频率调制; 其特征在于:通过使用通过调制激光腔的损耗产生频率调制的激光来对第一信号进行频率调制。 一种光纤通信系统,包括:光信号源,适于接收具有位周期T的二进制基本信号,并产生第一信号,其中所述第一信号被频率调制; 以及适于将所述第一信号重新形成第二信号的光谱整形器(OSR),其中所述第二信号被幅度调制和频率调制; 其特征在于:光信号源是通过调制激光腔的相位来产生频率调制的激光器。

    Chirp-managed, electroabsorption-modulated laser
    3.
    发明申请
    Chirp-managed, electroabsorption-modulated laser 有权
    啁啾管理,电吸收调制激光

    公开(公告)号:US20080193143A1

    公开(公告)日:2008-08-14

    申请号:US11894477

    申请日:2007-08-21

    IPC分类号: H04B10/04

    摘要: An optical transmitter comprising: an optical source modulated with an input digital data signal so as to generate a first, frequency-modulated digital signal; and an amplitude modulator, modulated with the logical inverse of the input digital data signal, for receiving the first, frequency-modulated signal and generating a second, amplitude-modulated and frequency-modulated digital signal; wherein the optical source and the amplitude modulator are each configured so as to produce positive transient chirp. A method for transmitting a signal, the method comprising: generating a first, frequency-modulated digital signal by modulating an optical source with an input digital data signal; and providing a second, amplitude-modulated and frequency-modulated digital signal by passing the first, frequency-modulated digital signal through an amplitude modulator while modulating the amplitude modulator with the logical inverse of the input digital data signal; wherein the optical source and the amplitude modulator are each configured so as to produce positive transient chirp.

    摘要翻译: 一种光发射机,包括:用输入数字数据信号调制的光源,以产生第一调频数字信号; 以及用输入数字数据信号的逻辑反相调制的幅度调制器,用于接收第一频率调制信号并产生第二幅度调制和调频数字信号; 其中光源和幅度调制器各自被配置为产生正瞬态啁啾。 一种用于发送信号的方法,所述方法包括:通过用输入数字数据信号调制光源来产生第一调频数字信号; 以及通过使所述第一调频数字信号通过幅度调制器,同时用所输入的数字数据信号的逻辑反相调制所述振幅调制器来提供第二幅度调制和调频数字信号; 其中光源和幅度调制器各自被配置为产生正瞬态啁啾。

    Chirp managed laser with electronic pre-distortion
    4.
    发明授权
    Chirp managed laser with electronic pre-distortion 有权
    啁啾管理电子预失真的激光

    公开(公告)号:US07356264B2

    公开(公告)日:2008-04-08

    申请号:US11016466

    申请日:2004-12-17

    IPC分类号: H04B10/04

    CPC分类号: H04B10/25137

    摘要: A fiber optic transmitter comprising: a digital driver adapted to adjust the rise time and fall time of a digital input signal; an optical source adapted to receive the digital signal and produce a frequency modulated optical signal; and an optical spectrum reshaper adapted to convert the frequency modulated optical signal to an amplitude modulated optical signal. A method for transmitting an optical signal through a fiber comprising: receiving a digital input signal; adjusting the rise time and fall time of the digital input signal so as to produce an adjusted digital input signal; passing the adjusted digital input signal to an optical source so as to produce a frequency modulated optical signal; passing the frequency modulated optical signal through an optical spectrum reshaper so as to convert the frequency modulated optical signal to an amplitude modulated optical signal; and passing the amplitude modulated signal into the fiber.

    摘要翻译: 一种光纤发射机,包括:数字驱动器,适于调整数字输入信号的上升时间和下降时间; 适于接收数字信号并产生调频光信号的光源; 以及适于将调频光信号转换为调幅光信号的光谱整形器。 一种通过光纤发送光信号的方法,包括:接收数字输入信号; 调整数字输入信号的上升时间和下降时间,以产生经调整的数字输入信号; 将经调整的数字输入信号传送到光源,以产生调频光信号; 使调频光信号通过光谱整形器,以将调频光信号转换成调幅光信号; 并将幅度调制信号传递到光纤中。

    Chirp managed laser with electronic pre-distortion
    6.
    发明申请
    Chirp managed laser with electronic pre-distortion 有权
    啁啾管理电子预失真的激光

    公开(公告)号:US20050169642A1

    公开(公告)日:2005-08-04

    申请号:US11016466

    申请日:2004-12-17

    IPC分类号: G02B6/34 H04B10/04

    CPC分类号: H04B10/25137

    摘要: A fiber transmitter comprising: a digital driver adapted to adjust the rise time and fall time of a digital input signal; an optical source adapted to receive the digital signal and produce a frequency modulated optical signal; and an optical spectrum reshaper adapted to convert the frequency modulated optical signal to an amplitude modulated optical signal. A method for transmitting an optical signal through a fiber comprising: receiving a digital input signal; adjusting the rise time and fall time of the digital input signal so as to produce an adjusted digital input signal; passing the adjusted digital input signal to an optical source so as to produce a frequency modulated optical signal; passing the frequency modulated optical signal through an optical spectrum reshaper so as to convert the frequency modulated optical signal to an amplitude modulated optical signal; and passing the amplitude modulated signal into the fiber.

    摘要翻译: 一种光纤发射机,包括:适于调整数字输入信号的上升时间和下降时间的数字驱动器; 适于接收数字信号并产生调频光信号的光源; 以及适于将调频光信号转换为调幅光信号的光谱整形器。 一种通过光纤发送光信号的方法,包括:接收数字输入信号; 调整数字输入信号的上升时间和下降时间,以产生经调整的数字输入信号; 将经调整的数字输入信号传送到光源,以产生调频光信号; 使调频光信号通过光谱整形器,以将调频光信号转换成调幅光信号; 并将幅度调制信号传递到光纤中。

    Method and apparatus for transmitting a signal using a chirp managed laser (CML) and an optical spectrum reshaper (OSR) before an optical receiver
    8.
    发明申请
    Method and apparatus for transmitting a signal using a chirp managed laser (CML) and an optical spectrum reshaper (OSR) before an optical receiver 有权
    在光接收机之前使用啁啾管理激光器(CML)和光谱整形器(OSR)发送信号的方法和装置

    公开(公告)号:US20070147847A1

    公开(公告)日:2007-06-28

    申请号:US11447662

    申请日:2006-06-06

    IPC分类号: H04B10/00

    CPC分类号: H04B10/675 H04B10/25137

    摘要: A method for transmitting a signal and a fiber optic system comprising: a frequency modulated source; an optical transmission fiber positioned to receive the output of the frequency modulated source; an optical filter positioned to receive the output of the optical transmission fiber; and an optical receiver positioned to receive the output of the optical filter; characterized in that: an optical spectrum reshaper is positioned between the frequency modulated source and the optical transmission fiber; and wherein the optical filter is a narrow band pass filter relative to the bit rate of the transmitted signal; and further wherein the frequency excursion of the frequency modulated source is between 20% and 120% of the bit rate frequency.

    摘要翻译: 一种用于发送信号和光纤系统的方法,包括:频率调制源; 定位成接收频率调制源的输出的光传输光纤; 定位成接收光传输光纤的输出的光学滤波器; 以及定位成接收所述滤光器的输出的光接收器; 其特征在于:光谱调制器位于调频源和光传输光纤之间; 并且其中所述滤光器是相对于所发射信号的比特率的窄带通滤波器; 并且其中所述频率调制源的频率偏移在所述比特率频率的20%至120%之间。

    Chirp-managed, electroabsorption-modulated laser
    9.
    发明授权
    Chirp-managed, electroabsorption-modulated laser 有权
    啁啾管理,电吸收调制激光

    公开(公告)号:US07809280B2

    公开(公告)日:2010-10-05

    申请号:US11894477

    申请日:2007-08-21

    IPC分类号: H04B10/04

    摘要: An optical transmitter comprising: an optical source modulated with an input digital data signal so as to generate a first, frequency-modulated digital signal; and an amplitude modulator, modulated with the logical inverse of the input digital data signal, for receiving the first, frequency-modulated signal and generating a second, amplitude-modulated and frequency-modulated digital signal; wherein the optical source and the amplitude modulator are each configured so as to produce positive transient chirp. A method for transmitting a signal, the method comprising: generating a first, frequency-modulated digital signal by modulating an optical source with an input digital data signal; and providing a second, amplitude-modulated and frequency-modulated digital signal by passing the first, frequency-modulated digital signal through an amplitude modulator while modulating the amplitude modulator with the logical inverse of the input digital data signal; wherein the optical source and the amplitude modulator are each configured so as to produce positive transient chirp.

    摘要翻译: 一种光发射机,包括:用输入数字数据信号调制的光源,以产生第一调频数字信号; 以及用输入数字数据信号的逻辑反相调制的幅度调制器,用于接收第一频率调制信号并产生第二幅度调制和调频数字信号; 其中光源和幅度调制器各自被配置为产生正瞬态啁啾。 一种用于发送信号的方法,所述方法包括:通过用输入数字数据信号调制光源来产生第一调频数字信号; 以及通过使所述第一调频数字信号通过幅度调制器,同时用所输入的数字数据信号的逻辑反相调制所述振幅调制器来提供第二幅度调制和调频数字信号; 其中光源和幅度调制器各自被配置为产生正瞬态啁啾。

    Method and apparatus for transmitting a signal using a chirp managed laser (CML) and an optical spectrum reshaper (OSR) before an optical receiver
    10.
    发明授权
    Method and apparatus for transmitting a signal using a chirp managed laser (CML) and an optical spectrum reshaper (OSR) before an optical receiver 有权
    在光接收机之前使用啁啾管理激光器(CML)和光谱整形器(OSR)发射信号的方法和装置

    公开(公告)号:US07639955B2

    公开(公告)日:2009-12-29

    申请号:US11447662

    申请日:2006-06-06

    IPC分类号: H04B10/06

    CPC分类号: H04B10/675 H04B10/25137

    摘要: A method for transmitting a signal and a fiber optic system comprising: a frequency modulated source; an optical transmission fiber positioned to receive the output of the frequency modulated source; an optical filter positioned to receive the output of the optical transmission fiber; and an optical receiver positioned to receive the output of the optical filter; characterized in that: an optical spectrum reshaper is positioned between the frequency modulated source and the optical transmission fiber; and wherein the optical filter is a narrow band pass filter relative to the bit rate of the transmitted signal; and further wherein the frequency excursion of the frequency modulated source is between 20% and 120% of the bit rate frequency.

    摘要翻译: 一种用于发送信号和光纤系统的方法,包括:频率调制源; 定位成接收频率调制源的输出的光传输光纤; 定位成接收光传输光纤的输出的光学滤波器; 以及定位成接收所述滤光器的输出的光接收器; 其特征在于:光谱调制器位于调频源和光传输光纤之间; 并且其中所述滤光器是相对于所发射信号的比特率的窄带通滤波器; 并且其中所述频率调制源的频率偏移在所述比特率频率的20%至120%之间。