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    • 3. 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。
    • 6. 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。
    • 7. 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。
    • 9. 发明公开
    • 페브리 페롯 레이저 다이오드의 주입 잠김을 이용한 광파장 변환 장치 및 그 방법
    • 光学波长转换装置使用注射锁定双折射激光二极管及其方法
    • KR1020040007352A
    • 2004-01-24
    • KR1020030079380
    • 2003-11-11
    • 학교법인 한국정보통신학원삼성전자주식회사
    • 유학이혁재정용덕원용협강민호
    • H04B10/00
    • H01S5/5036H01S5/005H01S5/0064H01S5/509
    • PURPOSE: An optical wavelength conversion device using injection locking of an FP(Febry-Perot)-LD(Laser Diode) is provided to displace central wavelengths of an absorption block caused by injection locking characteristics for TM(Transverse Magnetic) and TE(Transverse Electric) polarized signals, thereby supplying wide wavelength conversion bands. CONSTITUTION: The first polarization controller(170) controls polarization of a pump optical signal, and outputs the pump optical signal for TE polarization. The second polarization controller(130) controls polarization of a probe optical signal, and outputs the probe optical signal for TM polarization. A PBS(Polarization Beam Separator)(150) couples the probe optical signal with the pump optical signal. An FP-LD(110) injection-locks the pump optical signal, displaces a position of an absorption block in accordance with a TM mode, and converts a wavelength of the pump optical signal into a wavelength of the probe optical signal. A circulator(140) outputs the probe optical signal.
    • 目的:提供一种使用FP(Febry-Perot)-LD(激光二极管)的注入锁定的光学波长转换装置,用于取代由TM(横向磁性)和TE(横向电气)的注入锁定特性引起的吸收块的中心波长 )极化信号,从而提供宽波长转换频带。 构成:第一偏振控制器(170)控制泵浦光信号的偏振,并输出用于TE偏振的泵浦光信号。 第二偏振控制器(130)控制探测光信号的偏振,并输出用于TM偏振的探测光信号。 PBS(偏振光束分离器)(150)将探测光信号与泵浦光信号耦合。 FP-LD(110)注射锁定泵浦光信号,根据TM模式移位吸收块的位置,并将泵浦光信号的波长转换成探测光信号的波长。 循环器(140)输出探测光信号。
    • 10. 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。