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1. 发明授权

US06374016B1 Polarization insensitive grating in a planar channel optical waveguide and method to achieve the same 有权
公开(公告)号：US06374016B1
公开(公告)日：2002-04-16
申请号：US09826931
申请日：2001-04-06
申请人： Jacques Albert , Francois Bilodeau , Kenneth O. Hill , Derwyn C. Johnson , Stephen J. Mihailov
发明人： Jacques Albert , Francois Bilodeau , Kenneth O. Hill , Derwyn C. Johnson , Stephen J. Mihailov
IPC分类号： G02B634
摘要： A method is disclosed wherein optical structures such as Bragg gratings can be written into planar waveguides disposed on a substrate. By employing the method of this invention, a polarization insensitive device can be made. Such relatively thin planar waveguides disposed on a substrate are inherently polarization sensitive and the structure itself is birefringent. By writing structures in the waveguides or by simply writing a refractive index change in the waveguide by limiting the beam width at the waveguide layer to less than or equal to the thickness of the waveguiding layers on the substrate, in combination with conventional wider beam writing techniques, polarization sensitivity can be lessened or obviated.

2. 发明授权

US5216739A Method of creating an index grating in an optical fiber and a mode converter using the index grating 失效
标题翻译：在光纤中产生折射率光栅的方法和使用折射率光栅的模式转换器
公开(公告)号：US5216739A
公开(公告)日：1993-06-01
申请号：US811299
申请日：1991-12-20
申请人： Kenneth O. Hill , Bernard Y. Malo , Francois Bilodeau , Derwyn C. Johnson
发明人： Kenneth O. Hill , Bernard Y. Malo , Francois Bilodeau , Derwyn C. Johnson
IPC分类号： G02B6/14 , G02B6/34
CPC分类号： G02B6/02147 , G02B6/14 , G02B6/02047 , G02B6/02085
摘要： Efficient, narrow-band rocking filters have been made in polarization-maintaining monomode optical fiber by photoinducing periodic birefringent gratings along the length of the fiber. These gratings, fabricated with a period chosen to provide synchronous coupling between the two principal states of polarization of the LP.sub.01 mode at a preselected wavelength, gently rock to and fro the principal polarization axes of the fiber. To photoinduce the grating, the fiber is exposed periodically along its length to a U.V. light beam which is incident at right angles to the geometrical axis of the fiber and is directed .pi./4 radians with respect to the principal axes. Efficient polarization mode conversion at 1.3 .mu.m with the fiber gratings are obtained.
摘要翻译：通过沿着光纤的长度对周期性双折射光栅进行光致化，在偏振保持单模光纤中制造了高效的窄带摇摆滤波器。这些光栅被制造成以选择的波长的LP01模式的两个主要极化状态之间提供同步耦合的周期，轻轻地沿着光纤的主偏振轴摇摆。为了对光栅进行光诱导，光纤沿其长度周期性地暴露于紫外线。与光纤的几何轴线成直角入射的光束相对于主轴线指向π/ 4弧度。获得了光纤光栅在1.3μm下的高效偏振模式转换。

3. 发明授权

US5150439A Simplified WDM fused fiber coupler design 失效
标题翻译：简化的WDM融合光纤耦合器设计
公开(公告)号：US5150439A
公开(公告)日：1992-09-22
申请号：US704274
申请日：1991-05-22
申请人： Kenneth O. Hill , Francois Bilodeau , Bernard Malo , Derwyn C. Johnson
发明人： Kenneth O. Hill , Francois Bilodeau , Bernard Malo , Derwyn C. Johnson
IPC分类号： G02B6/28 , G02B6/34
CPC分类号： G02B6/29332 , G02B6/2835
摘要： A two-channel optical fiber fused coupler comprising two optical fibers, each with a core and cladding, fused together at a narrow tapered waist. The first channel is at a wavelength of .lambda..sub.1 and the second channel is at a wavelength of .lambda..sub.2 where .lambda..sub.2 is longer than .lambda..sub.1. The coupler is fabricated to have a characteristic wavelength .lambda..sub.0 such that for wavelengths .lambda..sub.2 longer than .lambda..sub.0 coupling occurs and for wavelenghts .lambda..sub.1 shorter that .lambda..sub.0 the light at .lambda..sub.1 is core guided throughout the coupler and thus does not couple across.
摘要翻译：一种双通道光纤熔接耦合器，包括两个光纤，每个光纤具有芯和包层，在窄的锥形腰部处熔合在一起。第一通道的波长为λ1，第二通道的波长为λ2，其中λ2长于λ1。耦合器被制造成具有特征波长λ0，使得对于长于λ的λ2波长 0耦合发生，并且对于波长λλλλλλλλλλλλλλλλλλλλλλλλλλλλλλλλλλλλλλλλλλ的核心是引导整个耦合器，因此不会耦合。

4. 发明授权

US5080503A Optical waveguide device and method for making such device 失效
标题翻译：光波导器件及其制造方法
公开(公告)号：US5080503A
公开(公告)日：1992-01-14
申请号：US593262
申请日：1990-10-01
申请人： Seyed-Iraj Najafi , Kenneth O. Hill , John F. Currie
发明人： Seyed-Iraj Najafi , Kenneth O. Hill , John F. Currie
IPC分类号： G02B6/124
CPC分类号： G02B6/124
摘要： The present disclosure describes an optical waveguide device and a method for making such device. The device comprises a substrate; a waveguide embedded in the substrate, the waveguide having a refractive index higher than the refractive index of the substrate; and first and second optical mirrors placed respectively in two different positions along the waveguide. The method comprises steps of (a) cleaning a substrate by means of a cleaning agent; (b) embedding a waveguide in the substrate; and (c) placing first and second optical mirrors respectively at two different positions in the substrate, the steps (b) and (c) being performed in such a manner that the mirrors being positioned along the waveguide.
摘要翻译：本公开描述了一种光波导器件及其制造方法。该装置包括基板; 嵌入在所述衬底中的波导，所述波导具有高于所述衬底的折射率的折射率; 以及沿着波导分别放置在两个不同位置的第一和第二光学镜。该方法包括以下步骤：（a）借助于清洁剂清洗基底; （b）在衬底中嵌入波导; 和（c）将第一和第二光学镜分别放置在衬底中的两个不同位置，步骤（b）和（c）以使得反射镜沿着波导定位的方式进行。

5. 发明授权

US4779945A Directional coupler utilizing biconically tapered optical fibers and a method of making same 失效
标题翻译：利用双锥形光纤的定向耦合器及其制造方法
公开(公告)号：US4779945A
公开(公告)日：1988-10-25
申请号：US888696
申请日：1986-07-24
申请人： Kenneth O. Hill , Derwyn C. Johnson
发明人： Kenneth O. Hill , Derwyn C. Johnson
IPC分类号： G02B6/28 , G02B6/26
CPC分类号： G02B6/2843 , G02B6/2826 , G02B6/2835 , Y10S359/90
摘要： A fiber optic directional coupler comprising a pair of strands of single mode optical fiber having biconical tapers whereby the electromagnetic field within the fibers extend virtually to the cladding outside surface, the strands in the region of the tapers being bent in opposite directions and positioned with their cladding in contact over a length of the waist of the tapers, the cladding in contact being narrowed on one side, flat, and polished, whereby the field is coupled from one strand to the other.
摘要翻译：一种光纤定向耦合器，包括一对具有双锥形锥形的单模光纤股线，由此纤维内的电磁场实际上延伸到包层外表面，锥形区域中的股线沿相反方向弯曲并且与它们定位包层在锥体的腰部的一段长度上接触，接触的包层在一侧变窄，平坦和抛光，由此场从一根绳索耦合到另一根绳索。

6. 发明授权

US4474427A Optical fiber reflective filter 失效
标题翻译：光纤反射滤光片
公开(公告)号：US4474427A
公开(公告)日：1984-10-02
申请号：US36503
申请日：1979-05-07
申请人： Kenneth O. Hill , Brian S. Kawasaki , Derwyn C. Johnson , Yoshimasa Fujii
发明人： Kenneth O. Hill , Brian S. Kawasaki , Derwyn C. Johnson , Yoshimasa Fujii
IPC分类号： G02B5/26 , G02B5/172
CPC分类号： G02B6/022 , G02B5/26 , G02B6/02128 , Y10S359/90
摘要： The optical reflective filter is made from a photosensitive optical fiber having a cladding and a core including germanium. Refractive index perturbations are light induced in the fiber in the region of the guided light. The perturbations can be made to have a constant or a varying periodicity, or a series of constant periodicities. The filters are made from single mode or low order mode fibers having germanium doped silica or germania cores. The center frequency for reflective band or bands has a wavelength in the 400 nm to 550 nm range. The reflective band or bands in the filter can be shifted by stretching the filter.
摘要翻译：光反射滤光片由具有包层和包含锗的芯的光敏光纤制成。折射率扰动是在导光区域中在光纤中感光的光。可以使扰动具有恒定或变化的周期性，或一系列恒定的周期性。滤波器由具有锗掺杂二氧化硅或锗纳米芯的单模或低阶模式光纤制成。反射带或频带的中心频率波长在400nm至550nm范围内。过滤器中的反射带或带可以通过拉伸过滤器而移动。

7. 发明授权

US4291940A Low loss access coupler for multimode optical fiber distribution systems 失效
标题翻译：用于多模光纤分配系统的低损耗接入耦合器
公开(公告)号：US4291940A
公开(公告)日：1981-09-29
申请号：US805865
申请日：1977-06-13
申请人： Brian S. Kawasaki , Kenneth O. Hill , Derwyn C. Johnson
发明人： Brian S. Kawasaki , Kenneth O. Hill , Derwyn C. Johnson
IPC分类号： G02B6/28 , G02B5/172
CPC分类号： G02B6/2835
摘要： The low loss access coupler includes two multimode optic fibers, each having a biconical taper section. The biconical taper sections of the fibers are fused together to provide optical coupling between the fibers. The fused fibers may also be twisted around one another to enhance mode mixing. The access couplers may be produced by fusing two fibers together along a small length, then heating the fused length and pulling the fibers to form the biconical tapers; or by twisting a portion of each of the fibers around one another, applying a tensile force to the twisted portions of the fibers and heating a region of the twisted fibers to soften and fuse a predetermined length of twisted fibers. If the fibers already have biconical taper sections, the access coupler may be produced by twisting the fibers together along their taper sections and heating a region of the taper sections to fuse them together.
摘要翻译：低损耗接入耦合器包括两个多模光纤，每个具有双锥形锥形部分。纤维的双锥形部分熔合在一起以提供纤维之间的光学耦合。熔融纤维也可以彼此扭曲以增强模式混合。进入耦合器可以通过将两根纤维沿着小长度融合在一起而制成，然后加热熔融长度并拉动纤维以形成双锥形锥形; 或者通过将每个纤维的一部分彼此扭转，向纤维的扭曲部分施加张力并加热扭曲纤维的区域以软化并熔合预定长度的扭曲纤维。如果纤维已经具有双锥形锥形部分，则可以通过沿着它们的锥形部分将纤维捻合在一起并加热锥形部分的区域以将它们融合在一起来产生进入联接器。

8. 发明授权

US08090233B2 Microstructuring optical wave guide devices with femtosecond optical pulses 有权
公开(公告)号：US08090233B2
公开(公告)日：2012-01-03
申请号：US12627026
申请日：2009-11-30
申请人： Omur M. Sezerman , Kenneth O. Hill , Garland Best , Dwayne R. J. Miller , Michael Armstrong , Shujie Lin
发明人： Omur M. Sezerman , Kenneth O. Hill , Garland Best , Dwayne R. J. Miller , Michael Armstrong , Shujie Lin
IPC分类号： G02B6/028 , G02F1/295
CPC分类号： G02B6/02123 , C03C23/0025 , C03C25/6208 , G02B6/02052 , G02B6/02147 , G02B6/105 , G02B6/266 , G02B6/2821 , G02B6/2852 , G02B6/4214
摘要： The present invention is directed to the creation of optical waveguiding devices from standard optical fibers by the creation of zones of permanently altered refractive index characteristics therein. A high intensity femtosecond laser beam is focused at a predetermined target region in the fiber so as to soften the glass material at the target region. After aligning the focal region with the target region in the fiber there will be relative movement between the focal region and the fiber, which has the effect of sweeping the focal region across the fiber in a predetermined path, so as to create a secondary waveguide path. A portion of the light traveling along the core is removed from the core along the secondary waveguide path such that the device can be utilized as an attenuator, an optical tap, or a polarimeter.

9. 发明申请

US20100073676A1 MICROSTRUCTURING OPTICAL WAVE GUIDE DEVICES WITH FEMTOSECOND OPTICAL PULSES 有权
标题翻译：微结构光波导管器件与FEMTOSECOND光学脉冲
公开(公告)号：US20100073676A1
公开(公告)日：2010-03-25
申请号：US12627026
申请日：2009-11-30
申请人： Omur M. Sezerman , Kenneth O. Hill , Garland Best , Dwayne R.J. Miller , Michael Armstrong , Shujie Lin
发明人： Omur M. Sezerman , Kenneth O. Hill , Garland Best , Dwayne R.J. Miller , Michael Armstrong , Shujie Lin
IPC分类号： G01J4/00
CPC分类号： G02B6/02123 , C03C23/0025 , C03C25/6208 , G02B6/02052 , G02B6/02147 , G02B6/105 , G02B6/266 , G02B6/2821 , G02B6/2852 , G02B6/4214
摘要： The present invention is directed to the creation of optical waveguiding devices from standard optical fibers by the creation of zones of permanently altered refractive index characteristics therein. A high intensity femtosecond laser beam is focused at a predetermined target region in the fiber so as to soften the glass material at the target region. After aligning the focal region with the target region in the fiber there will be relative movement between the focal region and the fiber, which has the effect of sweeping the focal region across the fiber in a predetermined path, so as to create a secondary waveguide path. A portion of the light traveling along the core is removed from the core along the secondary waveguide path such that the device can be utilized as an attenuator, an optical tap, or a polarimeter.
摘要翻译：本发明涉及通过在其中产生永久改变的折射率特性的区域从标准光纤创建光波导装置。将高强度飞秒激光束聚焦在光纤中的预定目标区域，以便在目标区域软化玻璃材料。在将焦点区域与光纤中的目标区域对准之后，将在聚焦区域和光纤之间存在相对运动，其具有在预定路径中扫过光纤的聚焦区域的作用，以便产生次级波导路径。沿着芯线行进的光的一部分沿着次级波导路径从芯中去除，使得该装置可以用作衰减器，光学抽头或偏振计。

10. 发明授权

US07382952B2 Optical fiber/waveguide polarizer and method of fabrication 失效
标题翻译：光纤/波导偏振器及其制造方法
公开(公告)号：US07382952B2
公开(公告)日：2008-06-03
申请号：US11234228
申请日：2005-09-26
申请人： Kenneth O. Hill
发明人： Kenneth O. Hill
IPC分类号： G02B6/34 , G02B6/02 , G02F1/035
CPC分类号： G02B6/02076 , G02B6/105
摘要： The invention relates to an optical fiber polarizer comprising an optical fiber with at least a core, a cladding and surrounding medium (or outer cladding) where one or more sections of the optical fiber include periodic/aperiodic (chirped, quasi-periodic) modulation of the dielectric properties of the fiber in the direction of propagation of the light (the longitudinal axis of the fiber). The modulation of the dielectric properties of the fiber is such that it introduces periodic/aperiodic birefringence along the direction of propagation of the light, such a modulation usually but not necessarily being confined to the vicinity of the core region of the fiber. Means are included to attenuate preferentially some of the modes of propagation of the fiber, specifically modes of one principal state of polarization and not the orthogonal state of polarization.
摘要翻译：本发明涉及一种光纤偏振器，其包括至少具有芯，包层和围绕介质（或外包层）的光纤，其中光纤的一个或多个部分包括周期性/非周期性（啁啾，准周期性）调制纤维在光的传播方向（纤维纵轴）的介电性能。纤维的介电特性的调制使得它沿着光的传播方向引入周期性/非周期性双折射，这种调制通常但不一定限于纤维的核心区域附近。包括装置以削弱光纤的一些传播模式，特别是一种主要的极化状态的模式，而不是正交的偏振状态。

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