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    • 86. 发明公开
    • 양방향 파장분할다중 광네트워크에서 하향 WDM 광신호의 광출력과 파장을 제어 및 감시하는 광회선 종단 장치
    • 用于控制和监测双向波分复用光网络中下行波分复用光信号的光功率和波长的光线终端
    • KR1020130101961A
    • 2013-09-16
    • KR1020120072809
    • 2012-07-04
    • 한국전자통신연구원
    • 정종술김현수최병석박미란권오균
    • H04J14/02H04B10/2507
    • H04J14/0227H04B10/07H04B10/2503H04B10/2507H04B10/572
    • PURPOSE: An optical line terminal (OLT) controlling and monitoring the optical power and wavelength of a downlink wavelength division multiplexing (WDM) optical signal in a bidirectional WDM optical network is provided to increase the quality of a monitoring system by fundamentally blocking the effect of signal distortion. CONSTITUTION: An optical transmitter generates a downlink WDM optical signal. A standard-type wavelength multiplexer multiplexes the wavelength of the downlink WDM optical signal. A circulation-type wavelength demultiplexer (160) demultiplexes the wavelength of the downlink WDM optical signal. An optical receiver (170) outputs a downlink electric signal. A signal processing module (180) controls the optical power and wavelength of a signal from the optical transmitter. [Reference numerals] (100) Central base station; (180) Signal processing module; (700) Remote node; (800) Value particle
    • 目的:提供一种在双向WDM光网络中控制和监测下行波分复用(WDM)光信号的光功率和波长的光线路终端(OLT),以通过根本上阻止监控系统的效果来提高监控系统的质量 信号失真。 构成:光发射机产生下行WDM光信号。 标准型波长多路复用器复用下行链路WDM光信号的波长。 循环型波长解复用器(160)对下行链路WDM光信号的波长进行解复用。 光接收器(170)输出下行电信号。 信号处理模块(180)控制来自光发射机的信号的光功率和波长。 (附图标记)(100)中央基站; (180)信号处理模块; (700)远程节点; (800)价值粒子
    • 87. 发明公开
    • 모니터링 포토다이오드가 하이브리드 집적된 광 도파로 플랫폼 제작 방법
    • PLC平台上监控光电混合积分的方法
    • KR1020130055818A
    • 2013-05-29
    • KR1020110121441
    • 2011-11-21
    • 한국전자통신연구원
    • 김현수정종술박미란최병석권오균
    • G02B6/122
    • G02B6/125G02B6/132G02B6/136G02B6/4232H01L24/81
    • PURPOSE: A manufacturing method for an optical wave guide platform in which a monitoring photodiode is integrated in hybrid is provided to monitor the output light of an optical transmitter including optical combination loss generated when bonding a flip chip by bending the monitoring photodiode to an optical wave guide and bonding the flip chip in the upper side cladding layer of a leaky light area in which leaky light generates. CONSTITUTION: A manufacturing method for an optical wave guide platform in which a monitoring photodiode is integrated in hybrid includes the following steps. The lower side cladding layer(101) of an optical wave guide and a core layer(102) are mounted on a substrate(100). The core layer forms a wave guide pattern by using a photolithography and a dry-etching method. At this time, an optical leakage area(200) is formed in a part bending the core layer. The optical wave guide(20) of PLC is formed by depositing an upper side cladding layer(103) on an etched silica core layer(102). A trench is formed by using the photolithography and a dry-etching process in a PLC in which the optical wave guide is formed, and a terrace(104) in which an optical transmitter(30) is flip-chipped is formed. The optical transmitter is bonded in a flip chip bonding in the formed terrace. The monitoring photodiode is laminated on the upper cladding layer.
    • 目的:提供一种用于混合监控光电二极管的光波导平台的制造方法,用于监视光发射机的输出光,其包括通过将监视光电二极管弯曲成光波而将倒装芯片接合时产生的光学组合损耗 引导和粘合泄漏光产生的漏光区域的上侧包覆层中的倒装芯片。 构成:其中监测光电二极管集成在混合动力系统中的光波导平台的制造方法包括以下步骤。 光波导的下侧包覆层(101)和芯层(102)安装在基板(100)上。 核心层通过使用光刻和干蚀刻方法形成波导图案。 此时,在将芯层弯曲的部分形成有光泄漏区域(200)。 PLC的光波导(20)通过在蚀刻的二氧化硅核心层(102)上沉积上侧包覆层(103)而形成。 通过在形成有光波导的PLC中使用光刻法和干法蚀刻工艺形成沟槽,并且形成其中将光发送器(30)倒装的露台(104)。 光学发射器在形成的露台中以倒装芯片结合。 监测光电二极管层叠在上包层上。
    • 88. 发明授权
    • 파장분할다중 방식의 수동형 광통신망 장치
    • 波长部分多路无源光网络设备
    • KR101250441B1
    • 2013-04-08
    • KR1020090053536
    • 2009-06-16
    • 한국전자통신연구원
    • 김현수김기수김동철최병석권오균오대곤
    • H04B10/2581H04J14/02
    • H04J14/0282
    • 본 발명은 파장분할다중 방식의 수동형 광통신망 장치를 제공한다. 이 장치는 광 신호를 발생시키는 제1 광원부, 제1 광원부의 광 신호를 일단으로 입력받아 다중화하여 출력하는 제1 다중화/역다중화기, 및 제1 다중화/역다중화기의 타단에 연결된 제1 처핑된 브래그 격자를 포함한다. 제1 처핑된 브래그 격자는 제1 다중화/역다중화기를 통과한 광을 다시 반사시켜 제1 다중화/역다중화기 및 제1 광원부으로 일정 부분 재입력시킬 수 있다. 제1 다중화/역다중화기는 재입력된 광을 스펙트럼 슬라이싱(spectrun slicing)하고, 제1 다중화/역다중화기의 채널 파장을 주발진 파장으로 광원부을 동작시키어 자체 잠김(self-injection locking) 구조를 제공할 수 있다.
      처핑된 회절격자 (chirped grating), 자체 잠김 (self-injection locking), 파장분할다중 방식의 수동형 광통신망(WDM-PON:Wavelength Division Multiplexed-Passive Optical Network), 광다중화기, 페브리-페롯 레이저 다이오드 (Fabry-Perot laser diode), 반사형 반도체 광증폭기 (Reflective Semiconductor Optical Amplifier), 파장무의존 광원 (colorless optical source)
    • 89. 发明公开
    • 반도체 광 소자 및 그 제조 방법
    • 半导体光学器件及其制造方法
    • KR1020120124548A
    • 2012-11-14
    • KR1020110042251
    • 2011-05-04
    • 한국전자통신연구원
    • 김동철김기수김현수최병석권오균정종술오대곤
    • G02B6/12H01S5/10H01S5/026
    • H01S5/1028H01S5/0265H01S5/0425H01S5/1003H01S5/101H01S5/1014H01S5/2222H01S2301/16G02B6/12016G02B6/12033
    • PURPOSE: A semiconductor optical device and a manufacturing method thereof are provided to minimize the leakage of a forward current for light amplification with a current breaking unit by forming the current breaking unit in a PNP structure. CONSTITUTION: A first mode converting core(MCC1), a light amplification core(LAC), a second mode converting core(MCC2), and a light modulating core(LMC) are placed on a first mode converting region(10), a light amplification region(20), a second mode converting region(30), and a light modulating region(40) of a semiconductor substrate respectively. A current breaking unit covers a side wall and an upper surface of the light amplification core. The first mode converting core, the light amplification core, the second mode converting core, and the light modulating core are sequentially arranged in a direction to be butt joint with each other. The current breaking unit includes cladding patterns laminated in order.
    • 目的:提供一种半导体光学器件及其制造方法,其通过在PNP结构中形成电流分断单元,以最大限度地减少用于断电单元进行光放大的正向电流的泄漏。 构成:在第一模式转换区域(10)上放置第一模式转换核心(MCC1),光放大核心(LAC),第二模式转换核心(MCC2)和光调制核心(LMC) 放大区域(20),第二模式转换区域(30)和半导体衬底的光调制区域(40)。 电流断路单元覆盖光放大芯的侧壁和上表面。 第一模式转换核心,光放大核心,第二模式转换核心和光调制核心依次布置在彼此对接的方向上。 电流断路单元包括层叠的覆层图案。
    • 90. 发明公开
    • 광 소자 모듈
    • 光学装置模块
    • KR1020110064148A
    • 2011-06-15
    • KR1020090120617
    • 2009-12-07
    • 한국전자통신연구원
    • 김동철최병석김현수김기수권오균오대곤
    • H01L51/05
    • H01S5/0265G02B6/1228G02B6/125G02B6/2813H01S5/1014H01S5/1085H01S5/50
    • PURPOSE: An optical device module is provided to realize high integration and miniaturization using an embedded multi mode interference coupler integrated with a light modulator which has a ridge structure. CONSTITUTION: A semiconductor light amplifier(10) comprises a first active layer(12) and a second active layer(22) which are different. A light modulator(20) modulates a light signal transferred to the second active layer. The second active layer is formed between the light modulator and the semiconductor light amplifier. A multi-mode interference coupler(30) is integrated with the light modulator. The semiconductor light amplifier and the multi-mode interference coupler are connected to a bonding surface(50).
    • 目的:提供一种光器件模块,以实现与具有脊结构的光调制器集成的嵌入式多模干涉耦合器的高集成度和小型化。 构成:半导体光放大器(10)包括不同的第一有源层(12)和第二有源层(22)。 光调制器(20)调制转移到第二有源层的光信号。 第二有源层形成在光调制器和半导体光放大器之间。 多模干涉耦合器(30)与光调制器集成。 半导体光放大器和多模干涉耦合器连接到接合表面(50)。