公开(公告)号：US20140185131A1

公开(公告)日：2014-07-03

申请号：US14106175

申请日：2013-12-13

Applicant: Huawei Technologies Co., Ltd.

Inventor： Xiquan Dai

IPC: H01S3/094

CPC classification number: H01S3/094003 ,  H01S3/0064 ,  H01S3/0078 ,  H01S3/06758 ,  H01S3/06766 ,  H01S3/0677 ,  H01S3/08086 ,  H01S3/094061 ,  H01S3/1608 ,  H01S3/2333

Abstract: The present invention discloses a multi-wavelength light source apparatus. The multi-wavelength light source apparatus includes: a pump light source, configured to provide pump light; an erbium-doped optical fiber, configured to absorb energy of the pump light and emit wide-spectrum laser light; and an optical fiber, configured to filter the wide-spectrum laser light and output a multi-wavelength optical signal in a free spectral range of the optical filter, where the multi-wavelength optical signal is incident on the erbium-doped optical fiber, and the erbium-doped optical fiber is further configured to re-amplify and output the incident multi-wavelength optical signal. In the multi-wavelength light source apparatus in the embodiments of the present invention, a wavelength of output light can be selected, spectral energy of the output light is concentrated, and power of the output light is high.

Abstract translation: 本发明公开了一种多波长光源装置。 多波长光源装置包括：泵浦光源，被配置为提供泵浦光; 铒掺杂光纤，被配置为吸收泵浦光的能量并发射宽光谱激光; 以及光纤，被配置为对所述宽频激光进行滤波，并且在所述多个滤波器的自由光谱范围内输出多波长光信号，其中所述多波长光信号入射到所述掺铒光纤上，以及 掺铒光纤还被配置为重新放大并输出入射的多波长光信号。 在本发明的实施方式的多波长光源装置中，可以选择输出光的波长，输出光的光谱能量集中，输出光的功率高。

公开(公告)号：US20150023672A1

公开(公告)日：2015-01-22

申请号：US14485983

申请日：2014-09-15

Applicant: Huawei Technologies Co., Ltd.

Inventor： Xiquan Dai

IPC: H04B10/50 ,  H04J14/02 ,  H04B10/572

CPC classification number: H04B10/503 ,  H01S3/1062 ,  H01S5/02284 ,  H01S5/02415 ,  H01S5/02438 ,  H01S5/06804 ,  H01S5/0683 ,  H01S5/1039 ,  H01S5/141 ,  H04B10/572 ,  H04J14/02

Abstract: The present invention discloses a wavelength-tunable laser output method. The method includes adjusting, by a thermoelectric cooler according to a received control signal, a working temperature of a laser, so that the laser emits a multi-longitudinal mode optical signal corresponding to the current working temperature and the multi-longitudinal mode optical signal corresponds to a transmittance peak of a filter at a peak wavelength; performing, by the filter, filtering processing on the multi-longitudinal mode optical signal to obtain a single-frequency optical signal with a corresponding peak wavelength frequency; reflecting, by a reflector, a part of the single-frequency optical signal back to the laser; and locking, by the laser according to a center wavelength of the received single-frequency optical signal, an operating frequency, and generating and outputting a frequency-locking optical signal with a wavelength that is the same as the center wavelength of the single-frequency optical signal.

Abstract translation: 本发明公开了一种波长可调激光输出方法。 该方法包括通过热电冷却器根据接收到的控制信号调整激光器的工作温度，使得激光器发射对应于当前工作温度的多纵模光信号，并且多纵模光信号对应 到峰值波长处的滤光器的透射峰; 通过滤波器对多纵模光信号进行滤波处理，得到具有相应峰值波长频率的单频光信号; 通过反射器将单频光信号的一部分反射回激光器; 并且通过激光器根据所接收的单频光信号的中心波长锁定工作频率，并产生并输出具有与单频的中心波长相同的波长的频率锁定光信号 光信号。

公开(公告)号：US20150010024A1

公开(公告)日：2015-01-08

申请号：US14496777

申请日：2014-09-25

Applicant: Huawei Technologies Co., Ltd.

Inventor： Xiquan Dai ,  Zhenghua Fu

IPC: H04B10/2575 ,  H04J14/02 ,  H04B10/27

CPC classification number: H04B10/25758 ,  H04B10/25 ,  H04B10/25752 ,  H04B10/27 ,  H04J14/02 ,  H04J14/0246 ,  H04J14/025 ,  H04J14/0279 ,  H04J14/0282 ,  H04J2014/0253

Abstract: A distributed base station signal transmission system is provided. The system includes a first multiplexing and demultiplexing unit, which is configured to multiplex a downlink signal emitted by the base band unit and output the downlink signal to the remote radio unit, a second multiplexing and demultiplexing unit, which is configured to multiplex an uplink signal emitted by the remote radio unit and output the uplink signal to the base band unit; a first colorless optical module receives and parse the uplink signal and generate the downlink signal; and a second colorless optical module is configured to receive and parse the downlink signal and generate the uplink signal. The present invention requires only one or a pair of fibers to implement interconnection between BBUs and RRUs, and does not need to use a large number of fibers and a metro wavelength division multiplexing network.

Abstract translation: 提供分布式基站信号传输系统。 该系统包括：第一复用和解复用单元，被配置为多路复用由基带单元发射的下行链路信号，并将下行链路信号输出到远程无线电单元;第二复用和解复用单元，被配置为复用上行链路信号 由远程无线电单元发射，并将上行链路信号输出到基带单元; 第一个无色光模块接收并解析上行链路信号并产生下行链路信号; 并且第二无色光模块被配置为接收和解析下行链路信号并产生上行链路信号。 本发明仅需要一对或一对光纤来实现BBU和RRU之间的互连，并且不需要使用大量的光纤和城域波分复用网络。

公开(公告)号：US09479254B2

公开(公告)日：2016-10-25

申请号：US14496777

申请日：2014-09-25

Applicant: Huawei Technologies Co., Ltd.

Inventor： Xiquan Dai ,  Zhenghua Fu

IPC: H04B10/2575 ,  H04B10/25 ,  H04J14/02 ,  H04B10/27

CPC classification number: H04B10/25758 ,  H04B10/25 ,  H04B10/25752 ,  H04B10/27 ,  H04J14/02 ,  H04J14/0246 ,  H04J14/025 ,  H04J14/0279 ,  H04J14/0282 ,  H04J2014/0253

Abstract: A distributed base station signal transmission system is provided. The system includes a first multiplexing and demultiplexing unit, which is configured to multiplex a downlink signal emitted by the base band unit and output the downlink signal to the remote radio unit, a second multiplexing and demultiplexing unit, which is configured to multiplex an uplink signal emitted by the remote radio unit and output the uplink signal to the base band unit; a first colorless optical module receives and parse the uplink signal and generate the downlink signal; and a second colorless optical module is configured to receive and parse the downlink signal and generate the uplink signal. The present invention requires only one or a pair of fibers to implement interconnection between BBUs and RRUs, and does not need to use a large number of fibers and a metro wavelength division multiplexing network.

Abstract translation: 提供分布式基站信号传输系统。 该系统包括：第一复用和解复用单元，被配置为多路复用由基带单元发射的下行链路信号，并将下行链路信号输出到远程无线电单元;第二复用和解复用单元，被配置为复用上行链路信号 由远程无线电单元发射，并将上行链路信号输出到基带单元; 第一个无色光模块接收并解析上行链路信号并产生下行链路信号; 并且第二无色光模块被配置为接收和解析下行链路信号并产生上行链路信号。 本发明仅需要一对或一对光纤来实现BBU和RRU之间的互连，并且不需要使用大量的光纤和城域波分复用网络。

公开(公告)号：US09438345B2

公开(公告)日：2016-09-06

申请号：US14557985

申请日：2014-12-02

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Liping Wang ,  Xiquan Dai

IPC: H04B10/00 ,  H04B10/27 ,  G02F1/17 ,  H04B10/50 ,  H04B10/564 ,  H01S5/026 ,  H04J14/00 ,  H01S5/00 ,  H01S5/50 ,  H01S5/022

CPC classification number: H04B10/27 ,  G02F1/17 ,  H01S5/0085 ,  H01S5/02284 ,  H01S5/0265 ,  H01S5/50 ,  H04B10/505 ,  H04B10/564

Abstract: The optical module includes an optical component, a substrate, and a laser, an electro-absorption modulator, and a semiconductor optical amplifier that grow on the substrate, where: the electro-absorption modulator is located between the laser and the semiconductor optical amplifier; the laser is configured to output an optical signal after power-on; the electro-absorption modulator is configured to perform signal modulation on the optical signal output by the laser; the semiconductor optical amplifier is configured to amplify the optical signal modulated by the electro-absorption modulator; the optical component is configured to perform deflection and convergence for the optical signal amplified by the semiconductor optical amplifier and output the optical signal.

Abstract translation: 光学模块包括在基板上生长的光学部件，基板和激光器，电吸收调制器和半导体光放大器，其中：电吸收调制器位于激光器和半导体光放大器之间; 激光器被配置为在通电之后输出光信号; 电吸收调制器被配置为对由激光器输出的光信号执行信号调制; 半导体光放大器被配置为放大由电吸收调制器调制的光信号; 光学部件被配置为对由半导体光放大器放大的光信号进行偏转和会聚，并输出光信号。