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1. CN108370273 - DEVICE AND METHOD FOR GENERATING OPTICAL SIGNAL, AND CHIP

Office China
Application Number 201680074448.5
Application Date 12.04.2016
Publication Number 108370273
Publication Date 03.08.2018
Grant Number 108370273
Grant Date 14.07.2020
Publication Kind B
IPC
H04B 10/50
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
BTRANSMISSION
10Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
50Transmitters
G02F 1/01
GPHYSICS
02OPTICS
FDEVICES OR ARRANGEMENTS, THE OPTICAL OPERATION OF WHICH IS MODIFIED BY CHANGING THE OPTICAL PROPERTIES OF THE MEDIUM OF THE DEVICES OR ARRANGEMENTS FOR THE CONTROL OF THE INTENSITY, COLOUR, PHASE, POLARISATION OR DIRECTION OF LIGHT, e.g. SWITCHING, GATING, MODULATING OR DEMODULATING; TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF; FREQUENCY-CHANGING; NON-LINEAR OPTICS; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
1Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
01for the control of the intensity, phase, polarisation or colour
CPC
H01S 5/0085
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
SDEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
5Semiconductor lasers
005Optical components external to the laser cavity, specially adapted therefor, e.g. for homogenisation or merging of the beams or for manipulating laser pulses, e.g. pulse shaping
0085for modulating the output, i.e. the laser beam is modulated outside the laser cavity
H04B 10/5051
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
BTRANSMISSION
10Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
50Transmitters
501Structural aspects
503Laser transmitters
505using external modulation
5051using a series, i.e. cascade, combination of modulators
H04B 10/541
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
BTRANSMISSION
10Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
50Transmitters
516Details of coding or modulation
54Intensity modulation
541Digital intensity or amplitude modulation
H04J 14/06
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
JMULTIPLEX COMMUNICATION
14Optical multiplex systems
06Polarisation multiplex systems
G02B 27/283
GPHYSICS
02OPTICS
BOPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
27Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
28for polarising
283used for beam splitting or combining
G02F 1/01
GPHYSICS
02OPTICS
FDEVICES OR ARRANGEMENTS, THE OPTICAL OPERATION OF WHICH IS MODIFIED BY CHANGING THE OPTICAL PROPERTIES OF THE MEDIUM OF THE DEVICES OR ARRANGEMENTS FOR THE CONTROL OF THE INTENSITY, COLOUR, PHASE, POLARISATION OR DIRECTION OF LIGHT, e.g. SWITCHING, GATING, MODULATING OR DEMODULATING; TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF; FREQUENCY-CHANGING; NON-LINEAR OPTICS; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
1Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
01for the control of the intensity, phase, polarisation or colour 
Applicants HUAWEI TECH CO LTD
华为技术有限公司
Inventors WANG YIN
王寅
Agents 北京龙双利达知识产权代理有限公司 11329
北京龙双利达知识产权代理有限公司 11329
Title
(EN) DEVICE AND METHOD FOR GENERATING OPTICAL SIGNAL, AND CHIP
(ZH) 生成光信号的器件、方法和芯片
Abstract
(EN)
Embodiments of the present invention provide a device for generating an optical signal. The device comprises a laser, a first modulator, a second modulator, a first adjusting module, and a beam combiner; two ends of the laser are connected to the two modulators, respectively; the first modulator is connected to the first adjusting module; two ends of the beam combiner are connected to the first adjusting module and the second modulator, respectively; the laser is used for outputting a first optical signal to the first modulator, and outputting a second optical signal to the second modulator; the two modulators are separately used for receiving the optical signal and a loaded electrically modulated signal, and modulating the optical signal according to the electrically modulated signal to obtain a first modulated optical signal and a second modulated optical signal; the first adjusting module is further used for adjusting the optical distance of the phase of the first modulated opticalsignal to the beam combiner; the beam combiner is used for combining the adjusted first modulated optical signal and the second modulated optical signal and outputting a combined signal. Embodiments of the present invention can reduce the device cost.

(ZH)
本发明实施例提供了一种生成光信号的器件,该器件包括激光器、第一调制器、第二调制器、第一调整模块和合束器;激光器的两端分别连接两个调制器,第一调制器与第一调整模块连接,合束器的两端分别连接第一调整模块和第二调制器;激光器用于向第一调制器输出第一路光信号,并向第二调制器输出第二路光信号;两个调制器分别用于接收光信号和加载的电调制信号,并根据电调制信号对光信号进行调制,得到第一路调制后的光信号和第二路调制后的光信号;第一调整模块还用于调整第一路调制后的光信号的相位到达合束器的光程;合束器用于对调整后的第一路调制后的光信号和第二路调制后的光信号进行合成并输出合成信号。本发明实施例能够降低器件成本。

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