-
1.发明授权Chirped laser with passive filter element for differential phase shift keying generation 有权啁啾激光器与无源滤波器元件进行差分相移键控生成公开(公告)号：US07991297B2
公开(公告)日：2011-08-02
申请号：US12014676
申请日：2008-01-15
CPC分类号： H04B10/5561 , H01S3/0057 , H01S3/0078
摘要： A method for generating D-N-PSK optical signals is disclosed wherein a laser is modulated to generate optical signal pairs including phase modulated and fixed phase portions, the phase modulated portions having a frequency encoding one or more data symbols and the fixed phase portion having a carrier frequency and a phase corresponding to the immediately preceding phase modulated portion. The output of the laser is passed through an optical spectrum reshaper having a transmission function chosen to attenuate a plurality of the phase modulated portions relative to the fixed phase portions. The phase modulated portions may have N frequency levels located on either side of the carrier frequency. One of the N frequency levels may be equal to the carrier frequency.
摘要翻译： 公开了一种用于产生DN-PSK光信号的方法，其中调制激光器以产生包括相位调制和固定相位部分的光信号对，所述相位调制部分具有对一个或多个数据符号进行编码的频率，并且具有载波的固定相位部分 频率和对应于紧接在前的相位调制部分的相位。 激光器的输出通过具有选择为相对于固定相位部分衰减多个相位调制部分的透射功能的光谱整形器。 相位调制部分可以具有位于载波频率的任一侧的N个频率电平。 N个频率电平中的一个可以等于载波频率。
-
2.发明申请CHIRPED LASER WITH PASSIVE FILTER ELEMENT FOR DIFFERENTIAL PHASE SHIFT KEYING GENERATION 有权带有被动滤波器元件的激光激光器，用于差分相移键控发生器公开(公告)号：US20080247763A1
公开(公告)日：2008-10-09
申请号：US12014676
申请日：2008-01-15
CPC分类号： H04B10/5561 , H01S3/0057 , H01S3/0078
摘要： A method for generating D-N-PSK optical signals is disclosed wherein a laser is modulated to generate optical signal pairs including phase modulated and fixed phase portions, the phase modulated portions having a frequency encoding one or more data symbols and the fixed phase portion having a carrier frequency and a phase corresponding to the immediately preceding phase modulated portion. The output of the laser is passed through an optical spectrum reshaper having a transmission function chosen to attenuate a plurality of the phase modulated portions relative to the fixed phase portions. The phase modulated portions may have N frequency levels located on either side of the carrier frequency. One of the N frequency levels may be equal to the carrier frequency.
摘要翻译： 公开了一种用于产生DN-PSK光信号的方法，其中调制激光器以产生包括相位调制和固定相位部分的光信号对，所述相位调制部分具有对一个或多个数据符号进行编码的频率，并且具有载波的固定相位部分 频率和对应于紧接在前的相位调制部分的相位。 激光器的输出通过具有选择为相对于固定相位部分衰减多个相位调制部分的透射功能的光谱整形器。 相位调制部分可以具有位于载波频率的任一侧的N个频率电平。 N个频率电平中的一个可以等于载波频率。
-
3.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。
-
公开(公告)号：US20080193143A1
公开(公告)日：2008-08-14
申请号：US11894477
申请日：2007-08-21
申请人： Daniel Mahgerefteh , Yasuhiro Matsui , Xueyan Zheng , Bart Johnson , Duncan JW Walker , Parviz Tayebati
发明人： Daniel Mahgerefteh , Yasuhiro Matsui , Xueyan Zheng , Bart Johnson , Duncan JW Walker , Parviz Tayebati
IPC分类号： H04B10/04
CPC分类号： H04B10/505 , H04B10/25137 , H04B10/504
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。
-
5.发明申请Method and apparatus for transmitting a signal using thermal chirp management of a directly modulated transmitter 有权使用直接调制发射机的热啁啾管理发送信号的方法和装置公开(公告)号：US20050111852A1
公开(公告)日：2005-05-26
申请号：US10933081
申请日：2004-09-02
申请人： Daniel Mahgerefteh , Roeland Nuyts , Yasuhiro Matsui , Parviz Tayebati , Bart Johnson , Duncan Walker , Xueyan Zheng
发明人： Daniel Mahgerefteh , Roeland Nuyts , Yasuhiro Matsui , Parviz Tayebati , Bart Johnson , Duncan Walker , Xueyan Zheng
IPC分类号： G02B5/28 , G02B6/34 , H04B10/155 , H04B10/18 , H04B10/04
CPC分类号： H04B10/504 , G02B5/281 , G02B6/29358 , G02B6/29362 , G02B6/29394 , G02B6/29398 , H04B10/25133 , H04B10/58
摘要： A fiber optic transmitter comprising a digital driver adapted to adjust the crossing point of a digital base signal, an optical source adapted to receive the digital base 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 a signal, comprising: adjusting the crossing point of a digital base signal; providing the adjusted signal to an optical source to produce a frequency modulated optical signal; and providing the frequency modulated optical signal to an optical spectrum reshaper to convert the frequency modulated optical signal to an amplitude modulated optical signal.
摘要翻译： 一种光纤发射器，包括适于调节数字基本信号的交叉点的数字驱动器，适于接收数字基本信号并产生调频光信号的光源，以及适于将频率调制光 信号到幅度调制光信号。 一种用于发送信号的方法，包括：调整数字基本信号的交叉点; 将经调整的信号提供给光源以产生调频光信号; 并将频率调制的光信号提供给光谱整形器，以将频率调制的光信号转换成幅度调制的光信号。
-
6.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：US07860404B2
公开(公告)日：2010-12-28
申请号：US12047017
申请日：2008-03-12
IPC分类号： H04B10/04
CPC分类号： H04B10/25133 , G02B6/12007 , G02B6/29319 , G02B6/29343 , G02B6/29358 , H01S5/0085 , H01S5/0265 , H01S5/06255 , H01S5/1003 , H01S5/1209 , H01S5/141 , H01S5/142 , H01S5/146 , H04B10/504 , H04B10/505 , H04B10/548
摘要： An optical transmitter is discloses having a gain section and a phase section. The phase section is modulated to generate a frequency modulated signal encoding data. The frequency modulated signal is transmitted through an optical spectrum reshaper operable to convert it into a frequency and amplitude modulated signal. In some embodiments, a driving circuit is coupled to the phase and gain sections is configured to simultaneously modulate both the phase and gain sections such that the first signal is both frequency and amplitude modulated.
摘要翻译： 公开了一种具有增益部分和相位部分的光发射机。 相位部分被调制以产生频率调制信号编码数据。 频率调制信号通过可用于将其转换成频率和幅度调制信号的光谱分层传输。 在一些实施例中，驱动电路耦合到相位，并且增益部分被配置为同时调制相位和增益部分两者，使得第一信号是频率和幅度调制的。
-
7.发明授权公开(公告)号：US07555225B2
公开(公告)日：2009-06-30
申请号：US11068032
申请日：2005-02-28
申请人： Daniel Mahgerefteh , Yasuhiro Matsui , Xueyan Zheng , Bart Johnson , Duncan Walker , Parviz Tayebati
发明人： Daniel Mahgerefteh , Yasuhiro Matsui , Xueyan Zheng , Bart Johnson , Duncan Walker , Parviz Tayebati
IPC分类号： H04B10/04
CPC分类号： H04B10/58 , H04B10/25137 , H04B10/508
摘要： An optical communication system which has an optical signal source adapted to receive a base binary signal and produce a first signal, said first signal being frequency modulated; andan optical spectrum reshaper adapted to reshape the first signal into a second signal, said second signal being amplitude modulated and frequency modulated in which the frequency characteristics of said first signal, and the optical characteristics of said optical spectrum reshaper, being such that the frequency characteristics of said second signal are configured so as to increase the tolerance of the second signal to dispersion in a transmission fiber.
摘要翻译： 一种光通信系统，其具有适于接收基本二进制信号并产生第一信号的光信号源，所述第一信号被频率调制; 以及适于将第一信号重新形成第二信号的光谱整形器，所述第二信号被幅度调制和频率调制，其中所述第一信号的频率特性和所述光谱整形器的光学特性使得频率 所述第二信号的特性被配置为增加第二信号对传输光纤中的色散的容差。
-
公开(公告)号：US07406266B2
公开(公告)日：2008-07-29
申请号：US11084630
申请日：2005-03-18
IPC分类号： H04B10/04
CPC分类号： H04B10/508
摘要： A fiber optic communication system comprising: an optical signal source adapted to produce a binary amplitude modulated signal; and an optical spectrum reshaper adapted to receive the amplitude modulated signal and to change the instantaneous frequency of the signal at its 0-to-1 and 1-to-0 transitions so as to change the instantaneous frequency of the signal so that it is substantially constant across the 1 pulse. A method for transmitting a signal through a fiber, comprising: generating a second signal from the signal, wherein the second signal comprises a intensity profile and an adiabatic frequency profile; generating a third signal from the second signal, wherein the third signal comprises a intensity profile and a flat-topped frequency profile.
摘要翻译： 一种光纤通信系统，包括：适于产生二进制幅度调制信号的光信号源; 以及适于接收幅度调制信号并改变信号在其0到1和1到0转换处的瞬时频率的光谱整形器，以便改变信号的瞬时频率，使得其基本上 恒定在1脉冲。 一种用于通过光纤发送信号的方法，包括：从所述信号产生第二信号，其中所述第二信号包括强度分布和绝热频率分布; 从第二信号产生第三信号，其中第三信号包括强度分布和平顶频率分布。
-
9.发明申请Integral Phase Rule for Reducing Dispersion Errors in an Adiabatically Chirped Amplitude Modulated Signal 有权用于减少绝对啁啾幅度调制信号中色散误差的积分相位规则公开(公告)号：US20080159747A1
公开(公告)日：2008-07-03
申请号：US11964321
申请日：2007-12-26
IPC分类号： H04B10/12
CPC分类号： H04B10/5161 , H04B10/25137 , H04B10/541 , H04B10/5563
摘要： An optical transmitter is disclosed for transmitting a signal along a dispersive medium to a receiver. The optical transmitter generates adiabatically chirped profile having an initial pulse width and frequency excursion chosen such that high frequency data sequences include one bits that interfere destructively at a middle point of an intervening zero bit upon arrival at the receiver.
摘要翻译： 公开了一种用于将信号沿色散介质传送到接收器的光发射器。 光发射机产生具有选择的初始脉冲宽度和频率偏移的绝热啁啾轮廓，使得高频数据序列包括在到达接收机时在中间零比特的中点处破坏性地干扰的一个比特。
-
公开(公告)号：US07809280B2
公开(公告)日：2010-10-05
申请号：US11894477
申请日：2007-08-21
申请人： Daniel Mahgerefteh , Yasuhiro Matsui , Xueyan Zheng , Bart Johnson , Duncan J W Walker , Parviz Tayebati
发明人： Daniel Mahgerefteh , Yasuhiro Matsui , Xueyan Zheng , Bart Johnson , Duncan J W Walker , Parviz Tayebati
IPC分类号： H04B10/04
CPC分类号： H04B10/505 , H04B10/25137 , H04B10/504
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。
-
-
-
-
-
-
-
-
-
搜索结果
89 条记录 (耗时 0.028 秒)
