公开(公告)号：US07848658B2

公开(公告)日：2010-12-07

申请号：US12140992

申请日：2008-06-17

Applicant: Alan H. Gnauck ,  Antonio Mecozzi ,  Mark Shtaif ,  Jay Wiesenfeld

Inventor： Alan H. Gnauck ,  Antonio Mecozzi ,  Mark Shtaif ,  Jay Wiesenfeld

IPC: H04B10/04

CPC classification number: H04B10/5055 ,  H04B10/2513 ,  H04B10/503 ,  H04B10/524 ,  H04L25/4906

Abstract: A system and method for increasing transmission distance and/or transmission data rates using tedons and an encoding scheme to reduce the number of ones in a data signal is described. For example, the method for increasing transmission distance and transmission data rate of a fiber optical communications link using tedons includes the steps of encoding a data signal to be transmitted using an encoding scheme that reduces a number of ones in the data signal, transmitting the encoded data signal over the fiber optical communications link, receiving the encoded data signal and decoding the encoded data signal.

Abstract translation: 描述了一种用于使用训话增加传输距离和/或传输数据速率的系统和方法以及用于减少数据信号中的数目的编码方案。 例如，使用信号增加光纤通信链路的传输距离和传输数据速率的方法包括以下步骤：使用减少数据信号中的数目的编码方案对待传输的数据信号进行编码，发送编码的 数据信号通过光纤光通信链路，接收编码数据信号并解码编码数据信号。

公开(公告)号：US20100156679A1

公开(公告)日：2010-06-24

申请号：US12636805

申请日：2009-12-14

Applicant: Yossef EHRLICHMAN ,  Ofer Amrani ,  Shlomo Ruschin

Inventor： Yossef EHRLICHMAN ,  Ofer Amrani ,  Shlomo Ruschin

IPC: G02F1/01 ,  H03M7/00

CPC classification number: H04B10/516 ,  G02F1/0121 ,  G02F1/015 ,  G02F1/225 ,  G02F7/00 ,  G02F2001/212 ,  G02F2203/19 ,  H03M1/002 ,  H03M1/70 ,  H04B10/2504 ,  H04B10/2575 ,  H04B10/505 ,  H04B10/5055 ,  H04B10/541 ,  H04B10/556

Abstract: A modulator device for converting digital data into modulation of an optical signal includes an electronic input for receiving an input data word of N bits and an electrically controllable modulator for modulating the intensity of an optical signal, the modulator including M actuating electrodes where M≧N. An electrode actuating device, most preferably a digital-to-digital converter, operates actuating electrodes so that at least one electrode is actuated as a function of values of more than one bit of the input data word. According to an alternative, or supplementary, aspect of the invention, the set of electrodes includes at least one electrode having an effective area which is not interrelated to others of the set by factors of two. In one preferred implementation, a Mach-Zehnder modulator also provides phase modulation to give QAM functionality. Another implementation employs a semiconductor laser.

Abstract translation: 用于将数字数据转换为光信号调制的调制器装置包括用于接收N位输入数据字的电子输入端和用于调制光信号强度的电可控调制器，该调制器包括M个致动电极，其中M≥N 。 电极致动装置，最优选数字 - 数字转换器，操作致动电极，使得至少一个电极作为输入数据字的多于一个位的值的函数被致动。 根据本发明的替代或补充方面，所述电极组包括至少一个电极，所述至少一个电极具有与所述组中的其它因素不相关的有效面积。 在一个优选实施例中，马赫 - 曾德调制器还提供相位调制以提供QAM功能。 另一个实施方案采用半导体激光器。

公开(公告)号：US07734190B2

公开(公告)日：2010-06-08

申请号：US11344958

申请日：2006-01-31

Applicant: Yu Sheng Bai

Inventor： Yu Sheng Bai

IPC: H04B10/04

CPC classification number: H04B10/5162 ,  H04B10/505 ,  H04B10/5051 ,  H04B10/5055 ,  H04B10/508

Abstract: A system and method for generating an optical return-to-zero signal. The system includes an electro-optical conversion system. The electro-optical conversion system is configured to receive an input electrical non-return-to-zero signal, process information associated with the input electrical non-return-to-zero signal, and generate a first electrical signal and a second electrical signal based on at least information associated with the input electrical non-return-to-zero signal. Additionally, the electro-optical conversion system is configured to delay a second electrical signal with respect to the first electrical signal by a predetermined period of time, process information associated with the first electrical signal and the delayed second electrical signal, and generate an output optical return-to-zero signal based on at least information associated with the first electrical signal and the delayed second electrical signal. The output optical return-to-zero signal is an optical differential return-to-zero signal, and the output optical return-to-zero signal is substantially free from any frequency chirp.

Abstract translation: 一种用于产生光返回信号的系统和方法。 该系统包括电光转换系统。 电 - 光转换系统被配置为接收输入的电不归零信号，与输入的电不归零信号相关联的处理信息，并且产生基于第一电信号和第二电信号 至少与输入的电气不归零信号相关联的信息。 另外，电光转换系统被配置为相对于第一电信号延迟预定时间段的第二电信号，与第一电信号和延迟的第二电信号相关联的处理信息，并且产生输出光学 至少基于与第一电信号和延迟的第二电信号相关联的信息的归零信号。 输出光回归信号是光差分归零信号，输出光回归信号基本上没有任何频率啁啾声。

公开(公告)号：US07580642B2

公开(公告)日：2009-08-25

申请号：US11447467

申请日：2006-06-06

Applicant: Alan H. Gnauck ,  Antonio Mecozzi ,  Mark Shtaif ,  Jay Wiesenfeld

Inventor： Alan H. Gnauck ,  Antonio Mecozzi ,  Mark Shtaif ,  Jay Wiesenfeld

IPC: H04B10/04

CPC classification number: H04B10/5055 ,  H04B10/2513 ,  H04B10/503 ,  H04B10/524 ,  H04L25/4906

Abstract: A system and method for increasing transmission distance and/or transmission data rates using tedons and an encoding scheme to reduce the number of ones in a data signal is described. For example, the method for increasing transmission distance and transmission data rate of a fiber optical communications link using tedons includes the steps of encoding a data signal to be transmitted using an encoding scheme that reduces a number of ones in the data signal, transmitting the encoded data signal over the fiber optical communications link, receiving the encoded data signal and decoding the encoded data signal.

Abstract translation: 描述了一种用于使用训话增加传输距离和/或传输数据速率的系统和方法以及用于减少数据信号中的数目的编码方案。 例如，使用信号增加光纤通信链路的传输距离和传输数据速率的方法包括以下步骤：使用减少数据信号中的数目的编码方案对待传输的数据信号进行编码，发送编码的 数据信号通过光纤光通信链路，接收编码数据信号并解码编码数据信号。

公开(公告)号：US07574135B2

公开(公告)日：2009-08-11

申请号：US10713449

申请日：2003-11-14

Applicant: Oscar E. Agazzi

Inventor： Oscar E. Agazzi

IPC: H04J14/00

CPC classification number: H04L1/006 ,  H04B10/2575 ,  H04B10/2581 ,  H04B10/504 ,  H04B10/5055 ,  H04B10/541 ,  H04B10/548 ,  H04J14/02 ,  H04L25/0204 ,  H04L25/0224 ,  H04L27/2637 ,  H04L27/2653 ,  H04L27/2697 ,  H04L27/34

Abstract: Multi-carrier modulation fiber optic systems constructed using a series of electrical carriers, modulating the data on the electrical carriers and combining the carriers to form a wideband signal. The wideband signal can then be intensity modulated on a laser and coupled to a fiber optic channel. A receiver may then receive the laser signal from the fiber optic channel and convert it into an electrical signal. Multi-carrier modulation may be applied to existing fiber channels, which may be of lower quality. Existing fiber channels may have characteristics which prevent or restrict the transmission of data using intensity modulation at certain frequencies. An adaptive multi-carrier modulation transmitter may characterize an existing fiber optic channel and ascertain the overall characteristics of the channel. The transmitter and receiver can then be configured to use various bandwidths and various modulations in order to match the transfer characteristic of the fiber channel. A series of adaptive multi-carrier modulation transmitters and receivers can be integrated on a single integrated circuit. If multiple adaptive receivers and transmitters are integrated on a single integrated circuit, they may be used to upgrade existing networks by adding different wavelength lasers for the transmission of data in order to achieve any capacity desired. Each receiver and transmitter may characterize the fiber for its particular wavelength laser and may configure the modulation and bandpass to the fiber's characteristics.

Abstract translation: 使用一系列电载体构建的多载波调制光纤系统，调制电载波上的数据并组合载波以形成宽带信号。 然后可以在激光器上对宽带信号进行强度调制并耦合到光纤通道。 然后，接收器可以从光纤通道接收激光信号并将其转换为电信号。 多载波调制可以应用于可能具有较低质量的现有光纤信道。 现有的光纤通道可以具有在某些频率下使用强度调制来防止或限制数据传输的特性。 自适应多载波调制发射机可以表征现有光纤信道并确定信道的总体特性。 然后可以将发射机和接收机配置为使用各种带宽和各种调制，以便匹配光纤信道的传输特性。 一系列自适应多载波调制发射机和接收机可集成在单个集成电路上。 如果多个自适应接收机和发射机集成在单个集成电路上，则它们可用于通过为数据传输添加不同波长的激光器来升级现有网络，以实现所需的任何容量。 每个接收器和发射器可以表征其特定波长激光器的光纤，并且可以配置对光纤的特性的调制和带通。

公开(公告)号：US20090196602A1

公开(公告)日：2009-08-06

申请号：US12026545

申请日：2008-02-05

Applicant: Ross Saunders ,  Roberto Marcoccia ,  Steven Keck ,  Theodore J. Schmidt ,  Christian Malouin

Inventor： Ross Saunders ,  Roberto Marcoccia ,  Steven Keck ,  Theodore J. Schmidt ,  Christian Malouin

IPC: H04B10/08 ,  H04B10/12

CPC classification number: H04B10/5055 ,  H04B10/5053 ,  H04B10/532 ,  H04B10/541 ,  H04B10/60

Abstract: Techniques, apparatus and systems to provide adjustable bit rate optical transmission using programmable signal modulation in optical communication systems.

Abstract translation: 在光通信系统中使用可编程信号调制提供可调比特率光传输的技术，装置和系统。

公开(公告)号：US07536112B2

公开(公告)日：2009-05-19

申请号：US09939716

申请日：2001-08-28

Applicant: Kazushige Yonenaga ,  Yutaka Miyamoto ,  Akihiko Matsuura

Inventor： Kazushige Yonenaga ,  Yutaka Miyamoto ,  Akihiko Matsuura

IPC: H04B10/04

CPC classification number: H04B10/5167 ,  H04B10/505 ,  H04B10/5055

Abstract: An optical transmission system which provides bandwidth restricted optical signal comprises an input terminal (10) for accepting an electrical binary signal, an amplifier (12) for amplifying said electrical binary signal to the level requested for operating an electrical-optical converter (16) such as a Mach Zehnder light modulator, a bandwidth restriction means (14) which is for instance a low pass filter for restricting bandwidth of said electrical binary signal, and an electrical-optical conversion means (16) such as a Mach Zehnder light modulator for converting electrical signal to optical signal. Because of the location of the low pass filter (14) between an output of the amplifier (12) and the Mach Zehnder light modulator (16), the amplifier (12) may operate in saturation region to provide high level output signal enough for operating the Mach Zehnder light modulator, and a signal shaped by the low pass filter (14) is applied to the Mach Zehnder light modulator (16) with excellent waveform. The invention is useful for long distance, large capacity and low cost optical transmission system.

公开(公告)号：US07486897B2

公开(公告)日：2009-02-03

申请号：US11371737

申请日：2006-03-09

Applicant: Hoon Kim ,  Seong-Taek Hwang

Inventor： Hoon Kim ,  Seong-Taek Hwang

IPC: H04B10/04

CPC classification number: H04B10/5167 ,  H04B10/505 ,  H04B10/5053 ,  H04B10/5055 ,  H04B10/532

Abstract: A polarization duobinary optical transmitter is disclosed. The transmitter includes a precoder for coding an electric signal and a light source for generating continuous light. The transmitter also includes a chirped-free modulator for generating an NRZ signal including first and second polarization light beams orthogonal to each other by modulating the light with the electric signal and a band-pass filter for limiting neighbor frequency bands between the first and second polarization light beams.

Abstract translation: 公开了一种偏振二进制光发射机。 发射机包括用于编码电信号的预编码器和用于产生连续光的光源。 发射机还包括无啁啾调制器，用于通过用电信号调制光而产生包括彼此正交的第一和第二偏振光束的NRZ信号，以及用于限制第一和第二极化之间的相邻频带的带通滤波器 光束。

公开(公告)号：US07428692B2

公开(公告)日：2008-09-23

申请号：US11349248

申请日：2006-02-08

Applicant: Yoshiaki Konishi ,  Kazuo Kubo

Inventor： Yoshiaki Konishi ,  Kazuo Kubo

IPC: G11C29/00

CPC classification number: H04B10/5055 ,  H04B10/505 ,  H04B10/5053 ,  H04B10/5561 ,  H04L25/497 ,  H04L27/2071 ,  H04L27/2096

Abstract: A parallel precoder circuit executes a differential encoding operation on an n-row parallel input information series, and outputs an n-row parallel output information series, where 2≦n. Output sets of differential encoding operation circuits each of which having a largest column number from among differential encoding operation circuits disposed in first row to (n−1)th row become first-row to (n−1)th-row parallel outputs information series, and an output set of an nth-row delay circuit becomes nth-row parallel output information series.

Abstract translation: 并行预编码器电路对n行并行输入信息序列执行差分编码操作，并且输出n行并行输出信息序列，其中2 <= n。 从布置在第一行至第（n-1）行的差分编码运算电路中，每个具有最大列数的差分编码运算电路的输出组成为第一行至第（n-1）行并行输出信息序列 并且第n行延迟电路的输出组成为第n行并行输出信息序列。

公开(公告)号：US07421210B2

公开(公告)日：2008-09-02

申请号：US11000838

申请日：2004-11-30

Applicant: Tetsuya Miyazaki

Inventor： Tetsuya Miyazaki

IPC: H04B10/04 ,  H04B10/00

CPC classification number: H04B10/69 ,  H04B10/5051 ,  H04B10/5053 ,  H04B10/5055 ,  H04B10/548 ,  H04B10/67 ,  H04B10/677

Abstract: An optical transmitter splits a linear polarization optical carrier into a TE wave and a TM wave. One of the TE wave and the TM wave is phase-modulated with a transmission data so as to generate a phase-modulated signal. The phase-modulated signal and the other one of the TE wave and the TM wave are coupled with a linear polarization and output into an optical transmission line. An optical receiver splits a light input from the optical transmission line into the TE wave and the TM wave. The TM wave or TE wave is converted into the TE wave or TM wave to interfere with the TE wave or TM wave. The interfered signal light is converted into an electric signal for restoration of the data.

Abstract translation: 光发射机将线偏振光载波分离成TE波和TM波。 通过发送数据对TE波和TM波中的一个进行相位调制，以产生相位调制信号。 相位调制信号和TE波和TM波中的另一个与线偏振耦合并输出到光传输线。 光接收器将来自光传输线的光输入分解成TE波和TM波。 TM波或TE波被转换成TE波或TM波，以干扰TE波或TM波。 被干扰的信号光被转换成用于恢复数据的电信号。