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1. 发明申请

WO2008024326A3 CHIRP-MANAGED, ELECTROABSORPTION-MODULATED LASER 审中-公开
标题翻译： CHIRP管理，电子调制激光
公开(公告)号：WO2008024326A3
公开(公告)日：2008-05-08
申请号：PCT/US2007018448
申请日：2007-08-21
申请人： FINISAR CORP , MAHGEREFTEH DANIEL , MATSUI YASUHIRO , ZHENG XUEYAN , JOHNSON BART , WALKER DUNCAN , TAYEBATI PARVIZ
发明人： MAHGEREFTEH DANIEL , MATSUI YASUHIRO , ZHENG XUEYAN , JOHNSON BART , WALKER DUNCAN , TAYEBATI PARVIZ
IPC分类号： H04B10/50 , H04B10/58
CPC分类号： H04B10/58 , H04B10/503 , H04B10/504 , H04B2210/254
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。

2. 发明申请

WO2008021567A2 OPTICAL TRANSMISSION USING SEMICONDUCTOR OPTICAL AMPLIFIER (SOA) 审中-公开
标题翻译：使用半导体光放大器（SOA）的光传输
公开(公告)号：WO2008021567A2
公开(公告)日：2008-02-21
申请号：PCT/US2007018427
申请日：2007-08-20
申请人： FINISAR CORP , MATSUI YASUHIRO , MAHGEREFTEH DANIEL , ZHENG XUEYAN , MCCALLION KEVIN , TAYEBATI PARVIZ
发明人： MATSUI YASUHIRO , MAHGEREFTEH DANIEL , ZHENG XUEYAN , MCCALLION KEVIN , TAYEBATI PARVIZ
IPC分类号： H04B10/2513 , H04B10/516 , H04B10/54 , H04B10/556
CPC分类号： H04B10/5161 , H04B10/25137 , H04B10/516 , H04B10/541 , H04B10/5563 , H04B2210/517
摘要： A fiber optic communication system comprising: an optical signal source adapted to receive a binary first signal and generate a binary second signal, wherein the binary first signal has an amplitude modulated component, wherein the binary second signal has an amplitude modulated component and a frequency modulated component, and further wherein the binary second signal is characterized in that the higher intensity 1 bits are red shifted relative to the lower intensity 0 bits; a semiconductor optical amplifier (SOA) adapted to receive the binary second signal and generate a binary third signal, wherein the binary third signal has an amplitude modulated component and a frequency modulated component, and further wherein the semiconductor optical amplifier operates in saturation; and an optical spectrum reshaper (OSR) adapted to reshape the binary third signal into a binary fourth signal, wherein the binary fourth signal has an amplitude modulated component and a frequency modulated component. A method for transmitting a signal, comprising: receiving a binary first signal having an amplitude modulated component and generating a binary second signal having an amplitude modulated component and a frequency modulated component, wherein the binary second signal is characterized in that the higher intensity 1 bits are red shifted relative to the lower intensity 0 bits; passing the binary second signal through a semiconductor optical amplifier (SOA) operating in saturation so as to generate a binary third signal, wherein the binary third signal has an amplitude modulated component and a frequency modulated component; and reshaping the binary third signal into a binary fourth signal, wherein the binary fourth signal has an amplitude modulated component and a frequency modulated component.
摘要翻译：一种光纤通信系统，包括：光信号源，适于接收二进制第一信号并产生二进制第二信号，其中所述二进制第一信号具有幅度调制分量，其中所述二进制第二信号具有幅度调制分量和频率调制并且其中所述二进制第二信号的特征在于，较高强度1比特相对于较低强度0比特红移; 适于接收所述二进制第二信号并产生二进制第三信号的半导体光放大器（SOA），其中所述二进制第三信号具有幅度调制分量和调频分量，并且其中所述半导体光放大器工作在饱和状态; 以及适于将二进制第三信号重新形成二进制第四信号的光谱整形器（OSR），其中二进制第四信号具有调幅分量和调频分量。一种用于发送信号的方法，包括：接收具有幅度调制分量的二进制第一信号并产生具有幅度调制分量和调频分量的二进制第二信号，其中二进制第二信号的特征在于较高强度1比特相对于较低强度的0位红移; 使所述二进制第二信号通过饱和运行的半导体光放大器（SOA），以产生二进制第三信号，其中所述二进制第三信号具有调幅分量和调频分量; 以及将所述二进制第三信号重新形成二进制第四信号，其中所述二进制第四信号具有幅度调制分量和调频分量。

3. 发明申请

WO2007117678A3 VERSATILE COMPACT TRANSMITTER FOR GENERATION OF ADVANCED MODULATION FORMATS 审中-公开
标题翻译：用于生成高级调制格式的多功能紧凑型发射机
公开(公告)号：WO2007117678A3
公开(公告)日：2009-04-02
申请号：PCT/US2007008729
申请日：2007-04-06
申请人： FINISAR CORP , MAHGEREFTEH DANIEL , ZHENG XUEYAN , MATSUI YASUHIRO , TAYEBATI PARVIZ
发明人： MAHGEREFTEH DANIEL , ZHENG XUEYAN , MATSUI YASUHIRO , TAYEBATI PARVIZ
IPC分类号： H04B10/516 , H04B10/556
CPC分类号： H04B10/5162 , H04B10/516 , H04B10/556 , H04B10/5561 , H04B2210/517
摘要： A system for generating a return-to-zero differentially-phase-shift-keyed (RZ-DPSK) optical signal comprising: a driver comprising an N-level digital multilevel transformer (N-level digital transformer) configured to receive a two level digital electrical signal representing 1s and Os and output a N-level electrical signal, wherein N > 2; an FM source configured to receive the N-level electrical signal output by the driver and generate an optical frequency modulated signal (FM/AM source); and an optical spectrum reshaper (OSR) configured to receive the optical frequency modulated signal output by the FM source and generate the desired RZ-DPSK optical signal. A method for generating a retum-to-zero differentially-phase-shift-keyed (RZ-DPSK) optical signal, the method comprising: (1) receiving a two level digital electrical signal representing 1s and Os and outputting a N-level electrical signal, wherein N > 2; (2) receiving the N-level electrical signal output and generating an optical frequency modulated signal; and (3) receiving the optical frequency modulated signal and generating the desired RZ-DPSK optical signal.
摘要翻译：一种用于产生归零差分相移键控（RZ-DPSK）光信号的系统，包括：驱动器，其包括N级数字多电平变压器（N级数字变压器），其被配置为接收两级数字电信号表示1s和Os并输出N级电信号，其中N≥2; FM源，被配置为接收由驱动器输出的N电平电信号并产生光调制信号（FM / AM源）; 以及光谱整形器（OSR），被配置为接收由FM源输出的光调制信号并产生所需的RZ-DPSK光信号。一种用于产生信号到零差分相移键控（RZ-DPSK）光信号的方法，所述方法包括：（1）接收表示1s和Os的两电平数字电信号并输出N电平信号，其中N> 2; （2）接收N电平电信号并产生光调制信号; 和（3）接收光调制信号并产生所需的RZ-DPSK光信号。

4. 发明申请

WO2016077500A8 TWO-STAGE ADIABATICALLY COUPLED PHOTONIC SYSTEMS 审中-公开
公开(公告)号：WO2016077500A8
公开(公告)日：2017-06-29
申请号：PCT/US2015060224
申请日：2015-11-11
申请人： FINISAR CORP
发明人： MAHGEREFTEH DANIEL , PARK BRYAN , CHEN JIANXIAO , XU XIAOJIE , DENOYER GILLES P , HUEBNER BERND
IPC分类号： G02B6/122
CPC分类号： G02B6/1228 , G02B6/1221 , G02B6/1223 , G02B6/124 , G02B6/125 , G02B6/126 , G02B6/136 , G02B6/2726 , G02B6/2773 , G02B6/305 , G02B6/4208 , G02B6/4215 , G02B2006/12038 , G02B2006/12061 , G02B2006/12069 , G02B2006/12097 , G02B2006/12121 , G02B2006/12123 , G02B2006/12147 , G02B2006/12157 , G02B2006/12164
摘要： In an example, a coupled system includes a first waveguide, at least one second waveguide, and an interposer. The first waveguide has a first refractive index n1 and a tapered end. The at least one second waveguide each has a second refractive index n2. The interposer includes a third waveguide having a third refractive index n3 and a coupler portion, where n1 > n2 > n3. The tapered end of the first waveguide is adiabatically coupled to a coupler portion of one of the at least one second waveguide. A tapered end of one of the at least one second waveguide is adiabatically coupled to the coupler portion of the third waveguide of the interposer. The coupled system is configured to adiabatically couple light between the first waveguide and the at least one second waveguide and between the at least one second waveguide and the third waveguide.

5. 发明专利

DE112018003973T5 ECHELLE-GITTER-MULTIPLEXER ODER -DEMULTIPLEXER 未知
公开(公告)号：DE112018003973T5
公开(公告)日：2020-04-16
申请号：DE112018003973
申请日：2018-08-03
申请人： FINISAR CORP
发明人： MAHGEREFTEH DANIEL , LUO YING , LEE JIN-HYOUNG , LIN SHIYUN
IPC分类号： G02B6/12 , G02B6/124
摘要： In einer Beispielvariante enthält ein integrierter photonischer Silizium-Wellenlängen-Demultiplexer einen Eingangswellenleiter, eine Eingangsschnittstelle, mehrere Ausgangswellenleiter, mehrere Ausgangsschnittstellen, einen ersten Hilfswellenleiter und mehrere Hilfswellenleiter. Der Eingangswellenleiter kann in einer ersten Schicht gebildet werden und einen ersten effektiven Index n1 haben. Die Eingangsschnittstelle kann optisch an den Eingangswellenleiter gekoppelt werden. Die Ausgangswellenleiter können in der ersten Schicht gebildet werden und den ersten effektiven Index n1 haben. Jeder der Ausgangsschnittstellen kann optisch an einen entsprechenden Ausgangswellenleiter gekoppelt werden. Der erste Hilfswellenleiter kann in einer zweiten Schicht unterhalb des Eingangswellenleiters in der ersten Schicht gebildet werden. Der erste Hilfswellenleiter kann einen zweiten effektiven Index n2 haben und kann zwei verjüngte Enden haben, wobei n2 höher als n1 sein kann.

6. 发明公开

EP2008135A4 VERSATILE COMPACT TRANSMITTER FOR GENERATION OF ADVANCED MODULATION FORMATS 审中-公开
标题翻译：通用紧凑站进行创建高级调制格式
公开(公告)号：EP2008135A4
公开(公告)日：2015-08-26
申请号：EP07755109
申请日：2007-04-06
申请人： FINISAR CORP
发明人： MAHGEREFTEH DANIEL , ZHENG XUEYAN , MATSUI YASUHIRO , TAYEBATI PARVIZ
IPC分类号： H04B10/50 , H04B10/516 , H04B10/556
CPC分类号： H04B10/5162 , H04B10/516 , H04B10/556 , H04B10/5561 , H04B2210/517
摘要： A system for generating a return-to-zero differentially-phase-shift-keyed (RZ-DPSK) optical signal comprising: a driver comprising an N-level digital multilevel transformer (DMT) configured to receive a two level digital electrical signal representing Is and Os and output a N-level electrical signal, wherein N > 2; an FM source configured to receive the N-level electrical signal output by the driver and generate an optical frequency modulated signal; and an optical spectrum reshaper (OSR) configured to receive the optical frequency modulated signal output by the FM source and generate the desired RZ-DPSK optical signal. A method for generating a return-to-zero differentially-phase-shift-keyed (RZ-DPSK) optical signal, the method comprising: (1) receiving a two level digital electrical signal representing Is and Os and outputting a N-level electrical signal, wherein N > 2; (2) receiving the N-level electrical signal output and generating an optical frequency modulated signal; and (3) receiving the optical frequency modulated signal and generating the desired RZ-DPSK optical signal.

7. 发明专利

FI20205220A1 ECHELLE GRATING MULTIPLEXER OR DEMULTIPLEXER 未知
公开(公告)号：FI20205220A1
公开(公告)日：2020-03-03
申请号：FI20205220
申请日：2018-08-03
申请人： FINISAR CORP
发明人： MAHGEREFTEH DANIEL , LUO YING , LEE JIN-HYOUNG , LIN SHIYUN
IPC分类号： G02B6/12 , G02B6/124
摘要： In one example embodiment, an integrated silicon photonic wavelength division demultiplexer includes an input waveguide, an input port, a plurality of output waveguides, a plurality of output ports, a first auxiliary waveguide, and a plurality of auxiliary waveguides. The input waveguide may be formed in a first layer and having a first effective index n1. The input port may be optically coupled to the input waveguide. The output waveguides may be formed in the first layer and may have the first effective index n1. Each of the output ports may be optically coupled to a corresponding output waveguide. The first auxiliary waveguide may be formed in a second layer below the input waveguide in the first layer. The first auxiliary waveguide may have a second effective index n2 and may have two tapered ends, and n2 may be higher than n1.

8. 发明申请

WO2016077500A3 TWO-STAGE ADIABATICALLY COUPLED PHOTONIC SYSTEMS 审中-公开
标题翻译：两级绝对耦合光子系统
公开(公告)号：WO2016077500A3
公开(公告)日：2016-07-07
申请号：PCT/US2015060224
申请日：2015-11-11
申请人： FINISAR CORP
发明人： MAHGEREFTEH DANIEL , PARK BRYAN , CHEN JIANXIAO , XU XIAOJIE , DENOYER GILLES P , HUEBER BERND
IPC分类号： G02B6/122
CPC分类号： G02B6/1228 , G02B6/1221 , G02B6/1223 , G02B6/124 , G02B6/125 , G02B6/126 , G02B6/136 , G02B6/2726 , G02B6/2773 , G02B6/305 , G02B6/4208 , G02B6/4215 , G02B2006/12038 , G02B2006/12061 , G02B2006/12069 , G02B2006/12097 , G02B2006/12121 , G02B2006/12123 , G02B2006/12147 , G02B2006/12157 , G02B2006/12164
摘要： In an example, a coupled system includes a first waveguide, at least one second waveguide, and an interposer. The first waveguide has a first refractive index n1 and a tapered end. The at least one second waveguide each has a second refractive index n2. The interposer includes a third waveguide having a third refractive index n3 and a coupler portion, where n1 > n2 > n3. The tapered end of the first waveguide is adiabatically coupled to a coupler portion of one of the at least one second waveguide. A tapered end of one of the at least one second waveguide is adiabatically coupled to the coupler portion of the third waveguide of the interposer. The coupled system is configured to adiabatically couple light between the first waveguide and the at least one second waveguide and between the at least one second waveguide and the third waveguide.
摘要翻译：在一个示例中，耦合系统包括第一波导，至少一个第二波导和中介层。第一波导具有第一折射率n1和锥形端。至少一个第二波导各自具有第二折射率n2。中介层包括具有第三折射率n3和耦合器部分的第三波导，其中n1> n2> n3。第一波导的锥形端绝热耦合到至少一个第二波导中的一个的耦合器部分。至少一个第二波导中的一个的锥形端部绝热耦合到插入器的第三波导的耦合器部分。耦合系统被配置为在第一波导和至少一个第二波导之间以及在至少一个第二波导和第三波导之间绝热地耦合光。

9. 发明申请

WO2016077499A2 TWO-STAGE ADIABATICALLY COUPLED PHOTONIC SYSTEMS 审中-公开
标题翻译：两级自适应耦合光电系统
公开(公告)号：WO2016077499A2
公开(公告)日：2016-05-19
申请号：PCT/US2015060223
申请日：2015-11-11
申请人： FINISAR CORP
发明人： MAHGEREFTEH DANIEL , PARK BRYAN , CHEN JIANXIAO , XU XIAOJIE , DENOYER GILLES P , HUEBNER BERND
IPC分类号： G02B6/126
CPC分类号： G02B6/1228 , G02B6/1221 , G02B6/1223 , G02B6/124 , G02B6/125 , G02B6/126 , G02B6/136 , G02B6/2726 , G02B6/2773 , G02B6/305 , G02B6/4208 , G02B6/4215 , G02B2006/12038 , G02B2006/12061 , G02B2006/12069 , G02B2006/12097 , G02B2006/12121 , G02B2006/12123 , G02B2006/12147 , G02B2006/12157 , G02B2006/12164
摘要： In an example, a photonic system includes a Si PIC with a Si substrate, a SiO2 box formed on the Si substrate, a first layer, and a second layer. The first layer is formed above the S1O2 box and includes a SiN waveguide with a coupler portion at a first end and a tapered end opposite the first end. The second layer is formed above the S1O2 box and vertically displaced above or below the first layer. The second layer includes a Si waveguide with a tapered end aligned in two orthogonal directions with the coupler portion of the SiN waveguide such that the tapered end of the Si waveguide overlaps in the two orthogonal directions and is parallel to the coupler portion of the SiN waveguide. The tapered end of the SiN waveguide is configured to be adiabatically coupled to a coupler portion of an interposer waveguide.
摘要翻译：在一个示例中，光子系统包括具有Si衬底的Si PIC，在Si衬底上形成的SiO 2盒，第一层和第二层。第一层形成在S1O2盒上方，并且包括在第一端具有耦合器部分的SiN波导和与第一端相对的锥形端。第二层形成在S1O2盒上方并在第一层上方或下方垂直移位。第二层包括Si波导，其具有与SiN波导的耦合部分在两个正交方向上对齐的锥形端，使得Si波导的锥形端在两个正交方向上重叠并且平行于SiN波导的耦合部分。 SiN波导的锥形端被配置为绝热地耦合到插入器波导的耦合器部分。

10. 发明专利

DE102020103066B4 WELLENLEITERFÜHRUNGSKONFIGURATIONEN MIT SILICIUMNITRIDTEILEN 未知
公开(公告)号：DE102020103066B4
公开(公告)日：2022-02-03
申请号：DE102020103066
申请日：2020-02-06
申请人： FINISAR CORP
发明人： MAHGEREFTEH DANIEL , LUO YING , LIN SHIYUN , LEE JIN-HYOUNG
IPC分类号： G02B6/10 , G02B6/125 , G02B6/14
摘要： Optischer Wellenleiter (100, 200, 300, 500, 700), der Folgendes umfasst:einen Siliciumteil (204, 304, 504, 554, 704), der eine Verjüngung (508) beinhaltet, die eine Breite des Siliciumteils (204, 304, 504, 554, 704) verringert;einen Siliciumnitridteil (212, 302, 502, 552), der über dem Siliciumteil (204, 304, 504, 554, 704) positioniert ist; undwobei der Siliciumteil (204, 304, 504, 554, 704) eine Biegung (102, 104, 702) aufweist, die nahe der Verjüngung (508) positioniert ist, wobei die Verjüngung (508) optische Signale, die sich durch den optischen Wellenleiter (100, 200, 300, 500, 700) bewegen, von Multimode zu Monomode ändert, um zu erlauben, dass die optischen Signale durch die Biegung (102, 104, 702) geführt werden, dadurch gekennzeichnet,dass der Siliciumteil (204, 304, 504, 554, 704) einen ersten Abschnitt mit einer ersten Breite und einen zweiten Abschnitt mit der Verjüngung (508) aufweist, der sich von der ersten Breite zu einer zweiten Breite verringert,wobei die Biegung (102, 104, 702) des Siliciumteils (204, 304, 504, 554, 704) die zweite Breite aufweist,wobei der Siliciumnitridteil (212, 302, 502, 552) über dem ersten Abschnitt, dem zweiten Abschnitt und der Biegung (102, 104, 702) des Siliciumteils (204, 304, 504, 554, 704) positioniert ist und eine Zwischenbreite zwischen der ersten und der zweiten Breite aufweist.

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