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    • 3. 发明公开
    • 2차 광비선형성을 가지는 실리카계 유리재료 및 그 제조방법
    • 具有二次光学非线性的二氧化硅玻璃材料及其制造方法
    • KR1020000048861A
    • 2000-07-25
    • KR1019997002863
    • 1997-09-29
    • 도요타 지도샤(주)각코호진 도요타가쿠엔
    • 후지와라다쿠미다카하시마사히데이쿠시마아키라
    • G02F1/35
    • G02F1/383G02F1/3558
    • PURPOSE: A silica glass material is provided for a SiO2-based glass material having optical non-linearity and replacing a practical crystal material. CONSTITUTION: An optical fiber(10) formed of cylindrically drawn silica glass and doped with Ge includes a light conducting core(10a) at its center portion where refractive index is adjusted, and a clad section(10b) located at the surrounding portion. A pair of side holes(12a,12b) are formed in the clad section(10b), and aluminum wire electrodes(14a,14b) are inserted therein. The electrodes(14a,14b) are provided opposite to each other with the core section(12a) interposed therebetween. The core section(10a) is formed such that the second-order optical non-linearity thereof has the magnitude of 2.5pm/V or over. As a result, the Ge density at the core section(10a) is set so as to exceed 12 mol%. That is, by thus setting the Ge density, second-order optical non-linearity with the magnitude being as large as 2.5 pm/V or more can be imparted in UV-excited poling. It should be noted that the Ge density at the core section(10a) is set at 30 mol % or below for enabling fiber drawing of the optical fiber(10)
    • 目的:提供一种二氧化硅玻璃材料,用于具有光学非线性并替代实际晶体材料的SiO2基玻璃材料。 构成:由圆柱形拉制石英玻璃形成并掺杂有Ge的光纤(10)包括在其中心部分处调节折射率的导光芯(10a)和位于周围部分的包层部分(10b)。 在包层部(10b)中形成有一对侧孔(12a,12b),并将铝线电极(14a,14b)插入其中。 电极(14a,14b)彼此相对地设置有芯部(12a)。 芯部(10a)形成为其二次光学非线性的大小为2.5pm / V以上。 结果,将芯部(10a)的Ge密度设定为超过12摩尔%。 也就是说,通过这样设定Ge密度,可以在UV激发极化中赋予具有2.5μm/ V以上的大小的二次光学非线性。 另外,为了使光纤(10)的纤维拉伸,芯部(10a)的Ge密度为30摩尔%以下,
    • 5. 发明授权
    • 광 비선형 박막 도파로의 제조방법 및 광 비선형 박막도파로
    • 광비선형박막도파로의제조방법및광비선형박막도파로
    • KR100373066B1
    • 2003-02-25
    • KR1020007009928
    • 1999-02-23
    • 도요타 지도샤(주)각코호진 도요타가쿠엔
    • 후지와라다쿠미이쿠시마아키라고메다오사무
    • G02F1/01
    • G02F1/365G02F1/3555G02F1/3558
    • A Ge-added SiO2 thin film (12) is formed on a glass substrate (10), and metal film (14) is formed thereon (S11 to S13). By etching the metal film (14), a pair of electrodes (14a, 14b) mutually opposed at a predetermined interval is formed (S14). An insulating thin film (16) is formed on the insulating film (12) and the electrodes (14a, 14b) (S15). While applying ultraviolet radiation, a high voltage is applied between the electrodes (14a, 14b) to perform ultraviolet excitement polling to impart an optical nonlinearity to a channel region (18)(S16). By controlling the voltage application to the channel region (18) having the optical nonlinearity, the light transmitted through the channel region (18) is controlled. Thus, an optical nonlinear waveguide for propagating single mode light is formed on a glass substrate.
    • 在玻璃基板(10)上形成Ge添加SiO 2薄膜(12),在其上形成金属膜(14)(S11〜S13)。 通过蚀刻金属膜(14),形成以预定间隔彼此相对的一对电极(14a,14b)(S14)。 在绝缘膜(12)和电极(14a,14b)上形成绝缘薄膜(16)(S15)。 在施加紫外线辐射的同时,在电极(14a,14b)之间施加高电压以执行紫外激励轮询以赋予沟道区域(18)光学非线性(S16)。 通过控制施加到具有光学非线性的沟道区(18)的电压,控制透过沟道区(18)的光。 因此,用于传播单模光的光学非线性波导形成在玻璃基板上。 <图像>
    • 7. 发明公开
    • 평면도파로의 제조방법 및 평면도파로
    • 平面波导和平面波导的制造
    • KR1020000036168A
    • 2000-06-26
    • KR1019997002220
    • 1997-09-10
    • 도요타 지도샤(주)각코호진 도요타가쿠엔
    • 후지와라다쿠미이쿠시마아키라
    • G02F1/01
    • G02F1/3558G02B6/13G02B2006/12107
    • PURPOSE: Manufacture of planar wave guide is provided to use the light function source light signal and light switch/coupler in transmitting system. CONSTITUTION: A metal film (12) is formed on the surface of a glass substrate (10) and etched to form a pair of electrodes (12a and 12b) which face each other witha certain gap therebetween (S11 or 13). The substrate (10) is doped with germanium, etc, by using the electrodes (12a and 12b) as a mask to form a corepart (14, S14). Then a high voltage is applied between the electrodes while ultra violet radiation is applied and the core part (14) is subjected to ultra violet boring to give the optical nonlinearity to the core part (14, S15). The voltage application to the core part (14) having the optical nonlinearity is controlled to control a light transmitting through the core part (14).
    • 目的:制造平面波导用于发射系统中的光功能源光信号和光开关/耦合器。 构成:在玻璃基板(10)的表面上形成金属膜(12)并进行蚀刻,形成彼此面对的一对电极(12a,12b)(S11或13)。 通过使用电极(12a和12b)作为掩模来将衬底(10)掺杂锗等,以形成芯部(14,S14)。 然后在施加紫外线辐射的同时在电极之间施加高电压,并且使核心部分(14)经受紫外线镗孔以给出对芯部分(14,15)的光学非线性。 控制具有光学非线性的芯部(14)的电压施加以控制透过芯部(14)的光。