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    • 1. 发明授权
    • 광대역 광원
    • 宽带光源
    • KR100594039B1
    • 2006-06-30
    • KR1020030094671
    • 2003-12-22
    • 삼성전자주식회사
    • 김상호황성택박세홍송관웅이규웅
    • G02B6/26
    • H04B10/506H01S3/005H01S3/0078H01S3/06758H01S3/06766H01S3/0677H01S3/094011H01S3/094023H01S5/0064H04B10/294
    • 본 발명에 따른 광대역 광원은 씨-밴드 및 엘-밴드 ASE들을 생성 및 증폭시키는 제1 증폭 매질과, 씨-밴드 자발 방출광을 생성하고 상기 제1 증폭 매질에서 증폭된 엘-밴드 ASE를 2차 증폭시키기 위한 제2 증폭 매질과, 상기 제2 증폭 매질에서 2차 증폭된 상기 엘-밴드 및 씨-밴드 자발 방출광을 3차 증폭시키기 위한 제3 증폭 매질을 포함하며 상기 제1 내지 제3 증폭 매질들이 직렬 연결된 광증폭부와, 상기 광증폭부와 직렬 연결되며, 입력된 상기 광증폭부의 후방에서 출력되는 상기 씨-밴드 및 엘-밴드 자발 방출광을 상기 광증폭부로 되돌리기 위한 서큘레이터와, 상기 서큘레이터와 상기 광증폭부의 사이에 위치되며, 상기 광증폭부를 전방 펌핑시키기 위한 제1 펌핑 수단과, 상기 광증폭부를 후방 펌핑시키기 위한 제2 펌핑 수단을 포함한다.
      광대역 광원, ASE, 서큘레이터
    • 根据本发明的宽带光源包括用于产生和放大提示带和el带ASEs的第一放大介质,以及用于产生提示带自发发射光并放大提取带自发发射光的第二放大介质, 以及第三放大介质,用于放大第二放大介质中的第三放大自发射光和第二放大第二放大光,其中第一至第三放大介质 循环器,与光放大单元串联连接,并且适于将从输入光放大单元的后部输出的种子带和el带自发发射光返回到光放大单元; 位于循环器和光放大单元之间用于向前泵浦光放大单元的第一泵装置和用于向后泵浦光放大单元的第二泵装置。
    • 2. 发明授权
    • 엘-밴드 어븀첨가 광섬유 증폭기
    • 엘 - 드어븀첨가광섬유증폭기
    • KR100424630B1
    • 2004-03-25
    • KR1020020007895
    • 2002-02-14
    • 삼성전자주식회사
    • 송관웅황성택
    • G02B6/00
    • H01S3/06758H01S3/0675H01S3/06766H01S3/0677H01S3/06791H01S3/094023H01S3/094042H01S3/1003H01S3/106H01S3/1608
    • The present invention discloses a long-band Erbium doped fiber amplifier (30) including: a first Erbium doped fiber (316) with a predetermined length, coupled to a first pumping light source (318) through a first wavelength selective coupler (314), for amplifying a C-band optical signal by supplied pumping light; a second Erbium doped fiber (330) with a predetermined length for amplifying an L-band optical signal by a second pumping light source (340); a feedback loop for recycling a specific C-band wavelength generated in the amplification of the first Erbium doped fiber as the second pumping light source of the L-band optical signal; a tap coupler (320) formed between the first and second Erbium doped fibers, for dividing the optical power amplified in the first Erbium doped fiber, for supplying a predetermined ratio of optical power to the second Erbium doped fiber, and for re-inputting the residual optical power to the feedback loop; and, a second wavelength selective coupler (328) for coupling the signal light transmitted from the tap coupler to the first Erbium doped fiber.
    • 本发明公开了一种长带掺铒光纤放大器(30),包括:具有预定长度的第一掺铒光纤(316),通过第一波长选择耦合器(314)耦合到第一泵浦光源(318) 用于通过提供的泵浦光来放大C波段光信号; 具有预定长度的第二铒掺杂光纤(330),用于通过第二泵浦光源(340)放大L波段光信号; 反馈回路,用于再循环在作为L波段光信号的第二泵浦光源的第一掺铒光纤的放大中产生的特定C波段波长; 一个在第一和第二掺铒光纤之间形成的抽头耦合器(320),用于分配在第一掺铒光纤中放大的光功率,用于向第二掺铒光纤提供一个预定的光功率比,并且用于重新输入 剩余光功率给反馈回路; 以及第二波长选择耦合器(328),用于将从抽头耦合器发射的信号光耦合到第一掺铒光纤。 <图像>
    • 3. 发明授权
    • 이득 향상된 광대역 어븀첨가 광섬유 증폭기
    • 이득향상된광대역어븀첨가광섬유증폭기
    • KR100414914B1
    • 2004-01-13
    • KR1020020011514
    • 2002-03-05
    • 삼성전자주식회사
    • 황성택송관웅
    • G02B6/00
    • H01S3/2383H01S3/005H01S3/0064H01S3/06754H01S3/06758H01S3/06766H01S3/0677H01S3/1608H01S2301/04
    • A wide band erbium-doped fiber amplifier (20) with a gain enhancement is provided comprising a first fiber amplifier (210) adapted to amplify C-band components of an input optical signal, a second fiber amplifier (220) connected to the first fiber amplifier in series while being disposed downstream from the first fiber amplifier to amplify L-band components of the input optical signal. A C/L splitter (232) is disposed between the first and second fiber amplifiers and to split the amplified C and L-band optical signals to flow along different paths. A fiber reflector (236) is disposed downstream from the second fiber amplifier to reflect the amplified L-band optical signal to flow backwards toward the second fiber amplifier. A circulator (234) is disposed between the C/L splitter and the second fiber amplifier to guide the amplified L-band optical signal, reflected to flow backwards by the fiber reflector, so that the amplified L-band optical signal flows along a path different from that of optical signals applied to the circulator. A C/L combiner (238) combines the amplified C-band optical signal split by the C/L splitter with the amplified L-band optical signal guided by the circulator, and applies the resultant optical signal to an output stage.
    • 提供具有增益增强的宽带铒掺杂光纤放大器(20),其包括适于放大输入光信号的C波段分量的第一光纤放大器(210),与第一光纤相连的第二光纤放大器(220) 放大器串联,同时布置在第一光纤放大器的下游以放大输入光信号的L波段分量。 C / L分离器(232)设置在第一和第二光纤放大器之间,并将放大的C和L波段光信号分成沿不同路径流动。 光纤反射器(236)设置在第二光纤放大器的下游以反射放大的L波段光信号以向后流向第二光纤放大器。 循环器(234)设置在C / L分离器和第二光纤放大器之间,以引导放大的L波段光信号,被光纤反射器反射回来,使得放大的L波段光信号沿着路径 不同于施加到循环器的光学信号。 C / L组合器(238)将由C / L分离器分离的放大的C波段光信号与由循环器引导的放大的L波段光信号组合,并将得到的光信号施加到输出级。 <图像>
    • 4. 发明授权
    • 밴드 간섭을 최소화한 광대역 어븀첨가 광섬유 증폭기
    • 밴드간섭을최화한한광대역어븀첨가광섬유증폭기
    • KR100407326B1
    • 2003-11-28
    • KR1020020010455
    • 2002-02-27
    • 삼성전자주식회사
    • 황성택송관웅
    • G02B6/00
    • H01S3/06754H01S3/06758H01S3/06766H01S3/0677H01S3/094096H01S3/1608H01S3/2383H01S2301/02
    • The inventive fiber amplifier comprises: (a) a first Er-doped fiber provided with a first light-pumping source via a first pump combiner to amplify input optical signals; (b) a second Er-doped fiber provided with a second light-pumping source via a second pump combiner to amplify input L-band optical signals; (c) a C/L splitter provided downstream of the first Er-doped fiber for splitting the optical signals into C- and L-bands, respectively, during passage through the C/L splitter; (d) a reflector for transmitting the L-band optical signals split in the C/L splitter toward the second Er-doped fiber and reflecting the transmitted L-band optical signals to flow back toward the second Er-doped fiber; (e) a circulator for introducing the L-band optical signals which are amplified after backward flow from the reflector toward another direction and preventing backward flow of ASE generated during amplification toward the first Er-doped fiber; and, (f) a C/L combiner for combining the C-band optical signals split in the C/L splitter and the L-band optical signals introduced from the circulator.
    • 本发明的光纤放大器包括:(a)第一铒掺杂光纤,其经由第一泵合成器提供有第一光泵浦源以放大输入光信号; (b)通过第二泵合成器提供有第二光泵浦源的第二铒掺杂光纤,以放大输入的L波段光信号; (c)设置在第一掺铒光纤下游的C / L分光器,用于在通过C / L分光器的过程中分别将光信号分成C和L波段; (d)反射器,用于将在C / L分离器中分离的L波段光信号朝向第二掺铒光纤传输并反射传输的L波段光信号以回流到第二掺铒光纤; (e)循环器,用于引入在从反射器向另一方向反向流动之后被放大的L波段光信号,并且防止放大期间产生的ASE向第一掺铒光纤的回流; (f)一个C / L组合器,用于组合分解在C / L分离器中的C波段光信号和从循环器引入的L波段光信号。 <图像>
    • 5. 发明授权
    • 광대역 광증폭기
    • 광대역광증폭기
    • KR100405817B1
    • 2003-11-14
    • KR1020010020121
    • 2001-04-16
    • 한국과학기술원
    • 이창희김현덕신정훈조윤희
    • G02B6/00
    • H01S3/2383H01S3/06758H01S3/06766H01S3/0677H01S5/4087H01S5/50
    • The present invention discloses a wide band optical amplifier with a common mid-stage device. In the wide band optical amplifier according to the present invention, the signals that enter the amplifier are first split into a couple of sub-band signals. The sub-band signals are amplified independently at different optical amplification sections, but they share a common mid-stage device, which reduces the complexity and the cost of the amplifier. The sub-band signals propagate count-directionally in the common mid-stages device to reduce the nonlinear interactions between the signals in different sub-bands. A wide band optical amplifier incorporating a common mid-stage device with directionality is also disclosed.
    • 本发明公开了一种具有共同中间级器件的宽带光学放大器。 在根据本发明的宽带光学放大器中,进入放大器的信号首先被分成一对子带信号。 子带信号在不同的光放大部分被独立放大,但它们共享一个共同的中间级器件,这降低了放大器的复杂性和成本。 子带信号在公共中间级器件中进行计数方向传播,以减少不同子带中信号之间的非线性相互作用。 还公开了一种宽带光学放大器,其包括具有方向性的共同中间级器件。
    • 6. 发明授权
    • 엘밴드 광신호의 효율적 광증폭 이득향상 장치
    • 提高L带光放大器增益的装置
    • KR100810859B1
    • 2008-03-06
    • KR1020010087516
    • 2001-12-28
    • 에릭슨 엘지 주식회사
    • 이문섭
    • H04B10/291H04B10/00
    • H01S3/06758H01S3/06766H01S3/0677H01S3/10023H01S3/1608H01S2301/02H01S2301/04
    • 본 발명은 C 밴드와 L 밴드의 광신호를 증폭하는 통신용 장치의 증폭이득 장치에 관한 것으로, 특히, L 밴드 광증폭 장치의 증폭이득을 효율적으로 향상하는 장치에 관한 것이며, C 밴드의 통신용 광신호를 입력받아 증폭하여 출력하는 제1 C 밴드 어븀 증폭부와; 제1 C 밴드 어븀 증폭부로부터 출력되는 통신용 광신호를 인가받고, 증폭레벨을 평탄하게 하여 출력하며 잡음성 자연광 신호를 통과시키지 않는 동시에 출력이 차단된 광신호와 통과되지 않는 잡음성 자연광 신호를 우회출력단으로 출력하는 이득평탄필터와; 이득평탄필터의 정상출력단으로 출력되는 평탄한 이득의 광신호를 입력하고 증폭하여 출력하는 제2 시밴드 어븀 증폭부와; L 밴드의 통신용 광신호와 이득평탄필터의 우회출력단으로부터 인가되는 신호를 각각 결합하여 출력하는 커플러와; 커플러로부터 출력되는 L 밴드의 통신용 광신호를 입력받고 증폭하여 출력하는 L 밴드 어븀 증폭부를 포함하여 이루어지는 특징에 의하여 광소자를 적게 사용하여 L 밴드 광증폭기를 제작하고 부피를 작게하며 구성을 간단하게 하는 동시에 C-Band의 증폭되어 버려지는 광신호를 L-Band의 펌핑용 광에너지로 사용함으로써 적은 에너지를 이용하여 효율적으로 이득을 향상하는 증폭효율 제고의 효과가 있다.
    • 10. 发明授权
    • 장파장대역 파장변환기
    • 장파장대역파장변환기
    • KR100415375B1
    • 2004-01-16
    • KR1020010026373
    • 2001-05-15
    • 우솔자산서비스 주식회사
    • 이동한최현범
    • G02B6/00
    • H01S3/094003H01S3/06754H01S3/0677H01S3/094092H01S3/1608
    • The present invention relates a wavelength converter that is applicable to a wavelength division multiplexing optical communication system, and the converter comprises an optical coupler for coupling an optical signal with the light signal from a continuous wave light source; a laser diode for generating a population inversion in an amplification gain medium, the laser diode serves as pump light source; a wavelength division multiplexer for coupling an input optical signal having a different wavelength with the pump light generated from the laser diode; and an Erbium-doped fiber (EDF) for achieving the wavelength conversion, the EDF serves as a gain medium.
    • 本发明涉及适用于波分复用光通信系统的波长转换器,该转换器包括:光耦合器,用于将光信号与来自连续波光源的光信号耦合; 激光二极管,用于在放大增益介质中产生群体反转,所述激光二极管用作泵浦光源; 波分复用器,用于将具有不同波长的输入光信号与从激光二极管产生的泵浦光耦合; 和用于实现波长转换的铒掺杂光纤(EDF),EDF用作增益介质。