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    • 31. 发明公开
    • 다중 공진 광섬유 레이저 시스템
    • 多共振光纤激光系统
    • KR1020090119210A
    • 2009-11-19
    • KR1020080045107
    • 2008-05-15
    • 한국전자통신연구원
    • 서홍석안준태박봉제정태형
    • H01S3/10H01S3/067
    • H01S3/0675H01S3/07H01S3/08086H01S3/082H01S3/0826H01S3/094042H01S3/1086H01S3/1603H01S3/1608H01S3/1616H01S3/1618H01S3/2375H01S3/302
    • PURPOSE: A multi-resonance fiber laser system is provided to perform a laser of a wavelength range over a wavelength range of a rare earth element by using Raman effect. CONSTITUTION: A pump light source(110) oscillates a pump light. A first gain medium optical fiber(128) includes a rare earth element. A first reflective member(121) and a second reflective member(122) are faced about the first gain medium optical fiber. A first resonant part(120c) converts the pump light through the first gain medium optical fiber. The first resonant part oscillates a first laser having a first wavelength. A second gain medium optical fiber(138) generates an induced Raman effect. A third reflective member(133) and a fourth reflective member(134) are faced about the second gain medium optical fiber. A second resonant part(130c) converts the first laser by using the second gain medium optical fiber. The second resonant part oscillates a second laser having a second wavelength.
    • 目的:提供一种多谐振光纤激光系统,通过使用拉曼效应,在稀土元素的波长范围内进行波长范围的激光。 构成:泵浦光源(110)振荡泵浦光。 第一增益介质光纤(128)包括稀土元素。 第一反射构件(121)和第二反射构件(122)围绕第一增益介质光纤面对。 第一谐振部件(120c)通过第一增益介质光纤转换泵浦光。 第一谐振部件振荡具有第一波长的第一激光器。 第二增益介质光纤(138)产生诱导拉曼效应。 第三反射构件(133)和第四反射构件(134)围绕第二增益介质光纤面对。 第二谐振部件(130c)通过使用第二增益介质光纤转换第一激光器。 第二谐振部件振荡具有第二波长的第二激光器。
    • 32. 发明授权
    • 라만 공동을 갖는 라만 광증폭기를 이용한 이득고정형광증폭 장치
    • 增益光学放大器
    • KR100864837B1
    • 2008-10-23
    • KR1020070059100
    • 2007-06-15
    • 한국전자통신연구원
    • 서홍석안준태박봉제정운진
    • H01S3/30
    • H01S3/302H01S3/0675H01S3/06754H01S3/06791H01S3/08027H01S3/106H01S3/1302
    • A gain-clamped optical amplifier is provided to maintain a constant gain of a light signal propagating toward a core by forming a laser cavity for fixing the gain between a wavelength of a Raman laser and a signal wavelength of an amplified light signal. A gain-clamped optical amplifier has a Raman cavity and includes a Raman optical fiber module unit and a resonant cavity. The Raman optical fiber module unit amplifies an input light signal and outputs the amplified light signal. The resonant cavity generates a Raman laser within a feedback loop resonance cavity and generates a gain-clamped laser between the wavelength of the Raman laser and a gain band. A pumping light source generates a stimulated Raman scattering at the Raman optical fiber module unit, and generates the Raman laser and the gain-clamped laser by using the resonant cavity.
    • 提供增益钳位光放大器,以通过形成用于固定拉曼激光的波长与放大的光信号的信号波长之间的增益的激光腔,来保持向核传播的光信号的恒定增益。 增益钳位光放大器具有拉曼腔,并包括拉曼光纤模块单元和谐振腔。 拉曼光纤模块单元放大输入光信号并输出​​放大的光信号。 谐振腔在反馈回路共振腔内产生拉曼激光,并在拉曼激光的波长和增益带之间产生增益钳位激光。 泵浦光源在拉曼光纤模块单元处产生受激拉曼散射,并通过使用谐振腔产生拉曼激光器和增益钳位激光器。
    • 34. 发明公开
    • 중적외선 파장대 라만 광섬유 레이저 시스템
    • 中红外拉曼光纤激光系统
    • KR1020070062196A
    • 2007-06-15
    • KR1020050121976
    • 2005-12-12
    • 한국전자통신연구원
    • 안준태서홍석정운진박봉제
    • H01S3/067H01S3/10
    • H01S3/0675H01S3/08086H01S3/1691H01S3/302
    • A raman optical fiber laser system of a mild-infrared wavelength band is provided to obtain the oscillation wavelength of a mild-infrared ray by performing a stoke shift through optical brag grating couples. A raman optical fiber laser system of a mild-infrared wavelength band includes a silica optical fiber, a plurality of optical fiber brag grating couples, and a pump optical source. P2O5 is added to the silica optical fiber which acquires raman diffusion. The plurality of optical fiber brag grating couples are arranged on both sides of the optical fiber, and obtain the oscillation wavelength through several times of shifts of stokes which lower energy as much as about 1330cm-1 during the raman diffusion. The pump optical source is arranged on a side of the fiber brag grating couples, and induces the raman diffusion on the optical fiber. The wavelength of mild-infrared is 3.0-4.0mum.
    • 提供了一种温和红外波长带的拉曼光纤激光系统,通过光学布拉格光栅耦合进行换向,获得了轻度红外线的振荡波长。 轻度红外波长带的拉曼光纤激光器系统包括石英光纤,多个光纤布拉格光栅耦合和泵浦光源。 将P2O5加入到获得拉曼扩散的二氧化硅光纤中。 多个光纤布拉格光栅耦合布置在光纤的两侧,并且在拉曼扩散期间通过几次能够降低能量高达约1330cm -1的斯托克斯的振荡波长获得振荡波长。 泵浦光源布置在纤维卷曲光栅的一侧,并引起光纤上的拉曼扩散。 轻度红外波长为3.0-4.0mum。
    • 39. 发明授权
    • 다중 모드 간섭형 결합기, 이를 이용한 다층 평면형광도파로 및 그 제조 방법
    • 다중모드간섭형결합기,이를이용한다층평면도파로및그제조방
    • KR100418262B1
    • 2004-02-14
    • KR1020020026406
    • 2002-05-14
    • 한국전자통신연구원
    • 이종무조두희안준태이명현김경헌
    • G02B6/12
    • G02B6/2813G02B6/12002
    • The present invention relates to a multi-layer optical planar waveguide which is vertically coupled using multimode-interference couplers and to the method of manufacturing the same. The purpose of this invention is to increase the degree of integration on the multi-layer optical planar waveguide by applying the concept of via holes of the multi-layer printed circuit board (MLPCB) used in electronic circuits to the optical waveguide devices. According to the present invention, particularly, a multimode interference coupler of a stepped structure has the higher coupling ratio at relatively short length of interference than the usual multimode interference coupler. The present invention can implement a multimode interference coupler at a specialized spot while reducing evanescent field interference between the upper and lower optical waveguides out of the spot by separating the layers enough.
    • 本发明涉及使用多模干涉耦合器垂直耦合的多层光学平面波导及其制造方法。 本发明的目的是通过将用于电子电路中的多层印刷电路板(MLPCB)的通孔的概念应用于光波导器件来增加多层光学平面波导上的集成度。 根据本发明,特别地,阶梯结构的多模干涉耦合器在相对短的干扰长度处具有比通常的多模干涉耦合器更高的耦合比。 本发明可以在专用点处实现多模干涉耦合器,同时通过足够地分离这些层来减少上方和下方光学波导之间的eva逝场干扰。
    • 40. 发明公开
    • 다중 모드 간섭형 결합기, 이를 이용한 다층 평면형광도파로 및 그 제조 방법
    • 多模干扰耦合器和多层光学平面波形使用多模干扰耦合器及其制造方法
    • KR1020030088301A
    • 2003-11-19
    • KR1020020026406
    • 2002-05-14
    • 한국전자통신연구원
    • 이종무조두희안준태이명현김경헌
    • G02B6/12
    • G02B6/2813G02B6/12002
    • PURPOSE: A multimode interference coupler and a multi-layer optical planar waveguide using the multimode interference coupler and a manufacturing method thereof are provided to reduce the interference between upper and lower waveguide by forming the multimode interference coupler in a stepped structure, which has a high coupling ratio, between the upper and lower waveguide. CONSTITUTION: A lower core layer(124) is formed on a portion of a glass substrate(110) using ion exchanging. A UV(Ultraviolet) photosensitive polymer is applied on an upper surface of an entire structure. A refractive index of the UV photosensitive polymer is changed upon being exposed to a UV light. An upper core layer(144) is formed on a portion of the UV photosensitive polymer. An upper clad layer(142) is formed on the upper surface of the entire structure. A metal mask is provided on the upper clad layer(142) corresponding to a region where a multimode interference coupler(130) is to be formed. The multimode interference coupler(130) and a lower clad layer(122) are formed by irradiating a UV light onto the upper surface of the entire structure.
    • 目的:提供一种使用多模干扰耦合器的多模干涉耦合器和多层光学平面波导及其制造方法,以通过以阶梯式结构形成多模干涉耦合器来减小上波导与下波导之间的干扰,其具有高 上下波导之间的耦合比。 构成:使用离子交换在玻璃基板(110)的一部分上形成下芯层(124)。 UV(紫外线)感光性聚合物被施加在整个结构的上表面上。 UV光敏聚合物的折射率在暴露于紫外光下时发生变化。 在UV光敏聚合物的一部分上形成上芯层(144)。 在整个结构的上表面上形成上覆层(142)。 在与要形成多模干涉耦合器(130)的区域相对应的上覆层(142)上设置金属掩模。 通过将UV光照射到整个结构的上表面上来形成多模干涉耦合器(130)和下包层(122)。