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公开(公告)号：KR1020160010803A
公开(公告)日：2016-01-28
申请号：KR1020140091084
申请日：2014-07-18
Applicant: 한국전자통신연구원
IPC: H01S3/10
CPC classification number: H01S5/02438 , H01S5/02248 , H01S5/02415 , H01S5/06804 , H01S5/141 , H04B10/00 , H04J14/0282
Abstract: 외부공진기형파장가변광원은이득매질, 외부반사경, 제 1 서미스터, 제 2 서미스터및 열전소자를포함한다. 상기이득매질은인가되는바이어스전류에기초하여광 신호를생성하고증폭한다. 상기외부반사경은상기이득매질과광학계를통해또는버트결합한다. 제 2 서미스터는상기이득매질상에구비되어상기이득매질의온도를측정한다. 상기제 1 서미스터는상기외부반사경상에구비되어상기외부반사경의온도를측정한다. 상기열전소자는상기제 1 및제 2 서미스터에의해측정되는온도에기초하여방열동작을수행한다. 따라서, 외부공진기형파장가변광원의출력을안정적으로제어할수 있다.
Abstract translation: 外部谐振器型波长可调光源包括：增益介质; 外部反射器 第一个热敏电阻; 第二热敏电阻; 和热电元件。 增益介质基于施加的偏置电流产生和放大光信号。 外部反射器通过光学系统或对接连接到增益介质。 增益介质上装有第二个热敏电阻来测量增益介质的温度。 第一个热敏电阻装在外部反射器上，以测量外部反射器的温度。 热电元件基于由第一和第二热敏电阻测量的温度进行热辐射。 因此，可以稳定地控制外部谐振器型波长可调光源的输出。
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公开(公告)号：KR1020150114823A
公开(公告)日：2015-10-13
申请号：KR1020140039499
申请日：2014-04-02
Applicant: 한국전자통신연구원
CPC classification number: H01S5/141 , H01S3/1055 , H01S3/106 , H01S5/02284 , H01S5/0618 , H01S5/06226 , H01S5/1221
Abstract: 본발명은파장가변외부공진레이저에관한것으로서, 광신호를생성하는이득매질; 상기이득매질에결합되고, 브래그격자를포함하는외부반사경; 및전체레이저의위상을조절하되, 레이저의파장을상기외부반사경의반사율이최대가되는장파장쪽으로조절하는위상조절기를포함한다.
Abstract translation: 本发明涉及可调谐的外腔激光器，其包括产生光信号的增益介质，与增益介质组合并包括布拉格光栅的外部反射器，以及控制整个激光器的相位的相位控制器， 并且将激光的波长控制成长波长以最大化外部反射器的反射率。
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Patent Agency Ranking
公开(公告)号：KR1020150104385A
公开(公告)日：2015-09-15
申请号：KR1020140026055
申请日：2014-03-05
Applicant: 한국전자통신연구원
IPC: H01S5/06
CPC classification number: H01S5/142 , H01S3/105 , H01S5/005 , H01S5/0085 , H01S5/02284 , H01S5/02415 , H01S5/02438
Abstract: 본 발명은, 파장 가변 레이저 장치에 관한 것으로서, 유입되는 레이저 광을 반사하고, 반사된 레이저 광의 파장을 가변하는 제1기판; 및 상기 제1기판으로부터 입력되는 레이저 광을 이득을 조절하고, 상기 레이저 광을 특정 파장을 반사시키며, 발진 되는 레이저 광의 위상을 조절하는 제2기판;을 포함하고, 상기 제1기판과 상기 제2기판은 단일 패키지의 형태로 형성되는 것을 특징으로 한다.
Abstract translation: 本发明涉及一种相干可调激光装置，其包括反射输入的激光束并调谐反射激光束的波长的第一基板和控制从第一基板输入的激光束的增益的第二基板，反射 激光束的特定波长，并控制振荡激光束的相位。 第一基板和第二基板由单个封装形成。
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公开(公告)号：KR1020130072697A
公开(公告)日：2013-07-02
申请号：KR1020110140235
申请日：2011-12-22
Applicant: 한국전자통신연구원
CPC classification number: H01S3/10 , H01S3/1065 , H01S5/02216 , H01S5/02284 , H01S5/0287 , H01S5/0625 , H01S5/101 , H01S5/142
Abstract: PURPOSE: An external cavity tunable laser module is provided to be able to minutely tune the wavelength of each channel by tuning the wavelength of channels with a specific wavelength gap, and to supply a wide tunable wavelength domain with low power. CONSTITUTION: An external cavity tunable laser module comprises a mirror surface (110), a transmission type liquid crystal filter (120), and a light source chip (140). The mirror surface is formed on a substrate and reflects the laser coming from outside. The transmission type liquid crystal filter is formed on the rear end of the mirror surface, and selects and tunes the laser wavelength reflected by the mirror surface. The light source chip is formed on the rear end of the transmission type liquid crystal filter, reflects the laser passing through the transmission type liquid crystal filter at a specific wavelength gap to form plural channels, and tunes the wavelength of each channel.
Abstract translation: 目的：提供外部可调谐激光器模块，通过调谐具有特定波长间隙的通道波长，能够精细调整每个通道的波长，并提供具有低功耗的宽可调波长域。 构成：外部可调谐激光器模块包括镜面（110），透射型液晶滤光器（120）和光源芯片（140）。 镜面形成在基板上并反射来自外部的激光。 透镜型液晶滤光器形成在镜面的后端，并选择并调谐由镜面反射的激光波长。 光源芯片形成在透射型液晶滤光器的后端，反射通过透射型液晶滤光器的激光器以特定的波长间隙形成多个通道，并调谐每个通道的波长。
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公开(公告)号：KR101208030B1
公开(公告)日：2012-12-04
申请号：KR1020090024623
申请日：2009-03-23
Applicant: 한국전자통신연구원
CPC classification number: H01S5/14 , H01S5/028 , H01S5/101 , H01S5/1014 , H01S5/1085 , H01S5/164 , H01S5/2231
Abstract: 외부공진레이저광원이제공된다. 이광원은기판, 기판상에수동도파로층, 하부클래드층, 활성층및 상부클래드층이순차적으로적층되되, 직선도파로영역, 굽은도파로영역, 테이퍼진 도파로영역및 윈도우영역을구비하는리지형광 도파로, 활성층주위에제공되어, 활성층외부로의전류흐름을차단하는전류차단층을포함한다. 직선도파로영역및 굽은도파로영역은매립형이종구조로이루어지고, 테이퍼진 도파로영역은매립형리지스트라이프구조로이루어진다. 수동도파로층은적어도굽은도파로영역, 테이퍼진 도파로영역및 윈도우영역에서테이퍼진 도파로영역의최대폭과실질적으로동일한폭으로제공되는것을특징으로한다.
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公开(公告)号：KR1020120038766A
公开(公告)日：2012-04-24
申请号：KR1020100100401
申请日：2010-10-14
Applicant: 한국전자통신연구원
CPC classification number: H01S5/142 , B82Y20/00 , H01S5/026 , H01S5/028 , H01S5/1212 , H01S5/1215 , H01S5/125 , H01S5/22 , H01S5/34306
Abstract: PURPOSE: An apparatus for generating wavelength tunable external cavity laser is provided to increase the degree of integration by integrating an optical amplifier, a comb shaped reflector, an optical modulator on a single substrate into a successive waveguide. CONSTITUTION: An optical amplifier(130), a comb shaped reflector(140), and an optical signal processor(150) are offered to a first substrate. An external wavelength tunable reflector(220) connected to the optical amplifier is offered to a second substrate contiguous to the first substrate. The comb shaped reflector includes a wave guide offered to the first substrate and a first diffraction lattice offered to one end of the wave guide which is contiguous to the optical amplifier. The comb shaped reflector includes a second diffraction grating offered to the other end of the wave guide which is contiguous to the optical signal processor The optical amplifier, the comb shaped reflector, and the optical signal processor constitute a successive wave guide.
Abstract translation: 目的：提供一种用于产生波长可调谐外腔激光器的装置，以通过将单个基板上的光放大器，梳状反射器，光调制器集成到连续波导中来增加积分度。 构成：向第一基板提供光放大器（130），梳形反射器（140）和光信号处理器（150）。 连接到光放大器的外部波长可调谐反射器（220）被提供给与第一基板邻接的第二基板。 梳状反射器包括提供给第一基底的波导和提供给与光学放大器相邻的波导的一端的第一衍射格。 梳状反射器包括提供给波导的另一端的第二衍射光栅，其与光信号处理器相邻。光放大器，梳形反射器和光信号处理器构成连续的波导。
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公开(公告)号：KR1020100106140A
公开(公告)日：2010-10-01
申请号：KR1020090024623
申请日：2009-03-23
Applicant: 한국전자통신연구원
CPC classification number: H01S5/14 , H01S5/028 , H01S5/101 , H01S5/1014 , H01S5/1085 , H01S5/164 , H01S5/2231
Abstract: PURPOSE: An external cavity laser light source is provided to project a light having a narrow radiation angle by forming the width of active and passive optical waveguides of a ridge type. CONSTITUTION: A passive waveguide layer(112), an under-clad layer(114), an active layer(120), and a top clad layer(136) are successively laminated on a substrate(110). The ridged optical waveguide comprises a straight waveguide region, a curved waveguide region, a tapered waveguide region, and a window region. Current blocking layers(132,134) are arranged around the active layer. The current block layer blocks the flow of current to outside of the active layer.
Abstract translation: 目的：通过形成脊型有源和无源光波导的宽度，提供外腔激光光源来投射具有较窄辐射角的光。 构造：在衬底（110）上依次层叠无源波导层（112），下覆层（114），有源层（120）和顶部覆盖层（136）。 脊状光波导包括直波导区域，弯曲波导区域，锥形波导区域和窗口区域。 电流阻挡层（132,134）围绕有源层布置。 当前的阻挡层阻止电流流向有源层的外部。
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