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    • 1. 发明申请
    • RADIAL BRAGG RING RESONATOR
    • 径向波纹管谐振器
    • WO2004072686A2
    • 2004-08-26
    • PCT/US2004/002474
    • 2004-01-29
    • CALIFORNIA INSTITUTE OF TECHNOLOGYSCHEUER, JacobYARIV, Amnon
    • SCHEUER, JacobYARIV, Amnon
    • G02B
    • B82Y20/00G02B6/12007G02B6/1225G02B6/124G02B2006/12109G02B2006/1213H01S3/083H01S5/1071H01S5/125
    • A resonator structure is presented comprising a closed loop resonator having a distributed Bragg reflector for confining the light within the guiding core. In one embodiment the light is confined from both the internal and the external sides of the device forming a guiding channel (defect) or just by the external side forming a disk resonator. Although the perfectly circular shape is generally preferred, the resonator could be of any closed loop shape such as an ellipse, etc. Although not mentioned explicitly throughout the text, the Bragg reflectors can of any type of distributed reflector such as, for example, a photonic bandgap crystal where the Bragg reflector is constructed by series of holes in a dielectric material. The resonator structure can be used in various applications, such as optical filters, lasers, modulators, spectrum analyzers, wavelockers, interleave filters, and optical add drop multiplexers.
    • 提出了一种谐振器结构,其包括具有分布布拉格反射器的闭环谐振器,用于将光限制在引导芯内。 在一个实施例中,光被限制在装置的内部和外侧,形成导向通道(缺陷),或者仅由形成盘谐振器的外侧限制。 尽管通常优选圆形形状,但是谐振器可以是任何闭环形状,例如椭圆形等。尽管在整个文本中没有明确提及,布拉格反射器可以是任何类型的分布式反射器,例如, 光子带隙晶体,其中布拉格反射器由电介质材料中的一系列孔构成。 谐振器结构可用于各种应用中,例如光学滤波器,激光器,调制器,频谱分析仪,波片,交错滤波器和光分插复用器。
    • 3. 发明申请
    • HYBRID WAVEGUIDE SYSTEMS AND RELATED METHODS
    • 混合波导系统及相关方法
    • WO2008137369A1
    • 2008-11-13
    • PCT/US2008/061696
    • 2008-04-26
    • CALIFORNIA INSTITUTE OF TECHNOLOGYYARIV, AmnonSUN, Xiankai
    • YARIV, AmnonSUN, Xiankai
    • G02B6/12G02B6/13
    • G02B6/12G02B2006/12078G02B2006/12104G02B2006/12121H01L31/102H01S5/026H01S5/1014H01S5/1032H01S5/125H01S5/50
    • A III-V semiconductor waveguide is coupled with a Si waveguide to form a hybrid structure. Spatial location of the optical mode (or supermode) of the hybrid structure is controlled by controlling at least one between the geometry and the refractive index of the structure, e.g., varying width of the Si waveguide. Control of such spatial location allows location of the optical mode either almost entirely in the III-V semiconductor waveguide or almost entirely in the Si waveguide, thus allowing various optical arrangements to be obtained according to the location of the optical mode and the proprieties of the waveguides. For example, if the III-V semiconductor waveguide is amplifying and is provided with a highly reflective mirror at one end, the Si waveguide is provided with a partially reflective mirror at the other end, the optical mode is almost entirely located in the gain region of the III-V semiconductor waveguide, and is also almost entirely located in the coupling region of the Si waveguide, a resonator for laser oscillation is obtained.
    • III-V半导体波导与Si波导耦合以形成混合结构。 通过控制结构的几何形状和折射率之间的至少一个,例如Si波导的变化的宽度来控制混合结构的光学模式(或超模)的空间位置。 这种空间位置的控制允许光学模式几乎完全位于III-V半导体波导或几乎完全在Si波导中,从而允许根据光学模式的位置和 波导。 例如,如果III-V半导体波导放大并且在一端设置有高反射镜,则在另一端设置有Si反射镜,所述光学模式几乎完全位于增益区域 的III-V半导体波导,并且也几乎完全位于Si波导的耦合区域中,获得用于激光振荡的谐振器。
    • 4. 发明申请
    • TRAVERSE BRAGG RESONANCE LASERS AND AMPLIFIERS AND METHOD OF OPERATING THE SAME
    • 横向布拉格共振激光器和放大器及其操作方法
    • WO2004068653A2
    • 2004-08-12
    • PCT/US2004/001955
    • 2004-01-23
    • CALIFORNIA INSTITUTE OF TECHNOLOGYYARIV, Amnon
    • YARIV, Amnon
    • H01S
    • H01S5/20H01S5/105H01S5/12H01S5/2004H01S5/2235H01S5/50
    • A transverse Bragg resonance waveguide is comprised of a waveguiding channel, and on at least two opposing sides of the channel two periodic index media; and a means for providing gain in the periodic index media. In one embodiment the waveguiding channel is planar and is sandwiched on two opposing sides by the periodic index media. In another embodiment the waveguiding channel is cylindrical and is surrounded by the periodic index media. The means for providing gain in the periodic index media is electrical or optical pumping. The periodic index media comprises a periodic lattice of regions having an index of refraction distinct from the channel, such as an array of transverse holes defined in a planar semiconductor substrate in which the channel is also defined, or an array of longitudinal holes defined in a cylindrical semiconductor fiber in which the channel is also longitudinally defined.
    • 横向布拉格共振波导由波导通道组成,并且在通道两个周期性折射率介质的至少两个相对侧上; 以及用于在周期性索引媒体中提供增益的装置。 在一个实施例中,波导通道是平面的并且通过周期性指数介质夹在两个相对的侧面上。 在另一个实施例中,波导通道是圆柱形的并且被周期性指数介质包围。 用于在周期性指数介质中提供增益的装置是电或光抽运。 周期性折射率介质包括具有与通道不同的折射率的区域的周期性晶格,例如限定在平面半导体衬底中的横向孔阵列,其中通道也被限定,或者纵向孔阵列限定在 圆柱形半导体光纤,其中通道也被纵向限定。