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    • 1. 发明公开
    • 파장 분할 다중 방식 광통신용 광원장치 및 방법
    • 用于波长分割的光源装置多路复用光通信及其方法
    • KR1020030089677A
    • 2003-11-22
    • KR1020030077585
    • 2003-11-04
    • 학교법인 한국정보통신학원라온시큐어(주)
    • 이혁재정용덕원용협유학
    • H04B10/2587H04B10/2581H04B10/00
    • H01S5/4087H01S5/4006H04B10/502H04J14/02
    • PURPOSE: A light source device for WDM(Wavelength Division Multiplexing) optical communication is provided to implement a wavelength locking system insensible to changes by using two FP-LDs(Fabry-Perot Laser Diodes) having different mode intervals, thereby making an excellent WDM light source. CONSTITUTION: The first FP-LD(400) generates a multiple mode laser light source. An optical filter(404) filters a beam generated from the first FP-LD(400), and outputs a wideband incoherent laser beam. The second FP-LD(402) is inserted into the first FP-LD(400). An optical circulator(406) inserts a laser beam generated from the second FP-LD(402) into the first FP-LD(400) through the optical filter(404). The first FP-LD(400) is inserted with FP laser beams having different mode intervals through the optical circulator(406).
    • 目的:提供一种用于WDM(波分复用)​​光通信的光源装置,以实现通过使用具有不同模式间隔的两个FP-LD(法布里 - 珀罗激光二极管)来实现不可变化的波长锁定系统,从而形成优异的WDM光 资源。 构成:第一台FP-LD(400)产生多模激光光源。 滤光器(404)对从第一FP-LD(400)产生的光束进行滤光,并输出宽带非相干激光束。 第二FP-LD(402)被插入到第一FP-LD(400)中。 光环行器(406)通过滤光器(404)将从第二FP-LD(402)产生的激光束插入到第一FP-LD(400)中。 第一FP-LD(400)通过光循环器(406)插入具有不同模式间隔的FP激光束。
    • 4. 发明公开
    • 자기 빔에 파장 잠김된 페브리 페롯 레이저를 이용한 파장다중 방식 광통신용 광원
    • 通过使用FP激光波长分散到磁光束进行波长多光通信的光源
    • KR1020030037250A
    • 2003-05-12
    • KR1020030024639
    • 2003-04-18
    • 학교법인 한국정보통신학원라온시큐어(주)
    • 이혁재원용협정용덕
    • H04B10/43
    • H04B10/506H01S5/4062H04J14/0282
    • PURPOSE: A light source for wavelength multiple optical communication by using an FP(Fabry-Perot) laser wavelength submerged to magnetic beam is provided to make a light source of a multiple wavelength division type through a magnetic beam injection by using an FP laser diode at a low cost, thereby obtaining a large SMSR(Side Mode Suppression Ratio). CONSTITUTION: An FP laser diode(100) which is a light generating unit generates light having a multiple mode. An FR(faraday rotator)(102) rotates the light generated from the light generating unit with a predetermined angle. A polarizer(104) is connected to the next end of the FR(102) and passes only light polarized as much as the predetermined angle toward one direction. A light filter(108) passes only a predetermined wavelength among the multiple mode lights outputted from the polarizer(104). A reflecting unit(110) reflects the light passed the light filter.
    • 目的:提供一种通过使用FP(法布里 - 珀罗)激光波长淹没在磁束上进行波长多光学通信的光源,通过使用FP激光二极管通过磁束注入来形成多波长分割型光源 低成本,从而获得大的SMSR(侧面模式抑制比)。 构成:作为发光单元的FP激光二极管(100)产生具有多模式的光。 FR(法拉第旋转器)(102)以预定角度旋转从光产生单元产生的光。 偏振器(104)连接到FR(102)的下一端,并且仅将预定角度偏振的光朝着一个方向传播。 滤光器(108)仅从偏振器(104)输出的多个模式光中仅通过预定波长。 反射单元(110)反射通过光滤光器的光。
    • 5. 发明公开
    • 파장 분할 다중 방식 광 송신기와 광통신 시스템
    • 具有波长分割多路复用系统和光通信系统的光发射机
    • KR1020040007759A
    • 2004-01-24
    • KR1020040000105
    • 2004-01-02
    • 학교법인 한국정보통신학원라온시큐어(주)
    • 이혁재정용덕원용협유학
    • H04B10/50H04B10/2581
    • H04B10/506H04B10/503H04B10/572H04J14/0202
    • PURPOSE: An optical communication system is provided to implement light sources for the optical communication system having a WDM(Wavelength Division Multiplexing) system at low price, and to have wide WDM width, thereby resolving temperature dependency of the optical communication system. CONSTITUTION: Optical transmitters(111) include multiple mode light sources for loading signals and multiple mode light sources for locking wavelengths. A wavelength multiplexer(112) and a wavelength demultiplexer(131) wavelength-divide light transmitted from the optical transmitters(111) so as to include many modes, and multiplex or demultiplex the divided light. An optical fiber(121) connects the wavelength multiplexer(112) with the wavelength demultiplexer(131). Optical receivers(132) receive the light transmitted from the optical transmitters(111) through the wavelength demultiplexer(131).
    • 目的:提供一种光通信系统,以低价格实现具有WDM(波分复用)​​系统的光通信系统的光源,并具有宽WDM宽度,从而解决光通信系统的温度依赖性。 规定:光发射机(111)包括用于加载信号的多模光源和用于锁定波长的多模光源。 波长多路复用器(112)和波长解复用器(131)从光发射机(111)发射的波长分割光,以便包括许多模式,并且对分割的光进行复用或解复用。 光纤(121)将波长多路复用器(112)与波长解复用器(131)连接。 光接收器(132)通过波长解复用器(131)接收从光发射器(111)发射的光。
    • 9. 发明公开
    • 광수신기의 클락 추출장치
    • 光接收机提取时钟信号的装置
    • KR1020030047966A
    • 2003-06-18
    • KR1020030034870
    • 2003-05-30
    • 학교법인 한국정보통신학원
    • 이혁재정용덕원용협
    • H04B10/43
    • H04L7/0075
    • PURPOSE: A device for extracting a clock signal in an optical receiver is provided to extract the clock signal by frequency chirping generated in start and end edges of an incident optical pulse by an SPM(Self-Phase Modulation) of a semiconductor FP-LD(Febry Perot-Laser Diode). CONSTITUTION: A semiconductor FP-LD(14) receives NRZ(Non-Return-to-Zero) data of a received optical signal, and generates PRZ data by frequency chirping generated in edges of the received optical signal. A circulator(10) transmits the PRZ data of the semiconductor FP-LD(14) as a clock signal to an output path. The semiconductor FP-LD(14) receives NRZ data of a resonance mode wavelength band, extracts a frequency chirping wavelength generated in start and end edges of '1' bit series of an NRZ optical signal pulse, and generates the extracted frequency chirping wavelength as the PRZ data.
    • 目的:提供一种用于在光接收机中提取时钟信号的装置,以通过半导体FP-LD的SPM(自相位调制)在入射光脉冲的开始和结束边缘产生的频率啁啾来提取时钟信号( Febry Perot-Laser Diode)。 构成:半导体FP-LD(14)接收接收到的光信号的NRZ(非归零)数据,并通过在所接收的光信号的边缘产生的频率啁啾来产生PRZ数据。 循环器(10)将半导体FP-LD(14)的PRZ数据作为时钟信号发送到输出路径。 半导体FP-LD(14)接收谐振模式波长带的NRZ数据,提取在NRZ光信号脉冲的'1'比特序列的起始和结束边缘产生的频率线性调频波长,并产生提取的频率线性调频波长 PRZ数据。
    • 10. 发明公开
    • 주입 잠김된 페브리-페롯 레이저 다이오드를 이용한 광랜덤 액세스 메모리
    • 光学随机存取存储器使用注射机制的激光二极管
    • KR1020030047965A
    • 2003-06-18
    • KR1020030034852
    • 2003-05-30
    • 학교법인 한국정보통신학원
    • 이혁재정용덕원용협유학
    • G11B7/125H01S5/065G11B7/127G11B7/126
    • G11B7/125G11B7/126G11B7/127H01S5/065
    • PURPOSE: An optical random access memory using an injection Fabry-Perot laser diode is provided to maintain power over a predetermined level in a specific wavelength zone. CONSTITUTION: An optical random access memory using an injection Fabry-Perot laser diode includes the first and second light generators(200,220). The first light generator is injected in a specific wavelength mode according to an optical signal having a specific wavelength, inputted from the outside, to generate an optical signal injected in the specific wavelength. The second light generator is injected in a specific wavelength mode according to the optical signal output from the first light generator and generates an optical signal injected in the specific wavelength. The optical signal inputted from the outside is stored between the first and second light generators. The first and second light generators correspond to one of a Fabry-Perot laser diode and an optical fiber Fabry-Perot laser diode.
    • 目的:提供使用注射法布里 - 珀罗激光二极管的光学随机存取存储器,以在特定波长区域内保持功率超过预定水平。 构成:使用注射法布里 - 珀罗激光二极管的光学随机存取存储器包括第一和第二光发生器(200,220)。 根据从外部输入的具有特定波长的光信号,以特定波长模式注入第一光发生器,以产生以特定波长注入的光信号。 第二光发生器根据从第一光发生器输出的光信号以特定波长模式注入,并产生以特定波长注入的光信号。 从外部输入的光信号被存储在第一和第二光发生器之间。 第一和第二光发生器对应于法布里 - 珀罗激光二极管和光纤法布里 - 珀罗激光二极管之一。