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公开(公告)号：US4946245A
公开(公告)日：1990-08-07
申请号：US358331
申请日：1989-05-17
CPC分类号： G02B6/4246 , G02B6/02085 , G02B6/29311 , G02B6/29323 , G02F1/011 , G02F1/0115 , G02F2201/302 , G02F2203/055
摘要： An optical filter includes a volume diffraction grating provided within a waveguide. The grating has a thickness T sufficient such that when an optical beam R is incident on the grating from outside the waveguide, wavelengths at or near the Bragg wavelength for the grating are diffracted and coupled into the waveguide, all but the first order interferences being substantially eliminated, while wavelengths away from the Bragg wavelength pass through the waveguide substantially undiffracted. The grating pitch L may be varied to permit tuning of the filter response.
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公开(公告)号：US4466694A
公开(公告)日：1984-08-21
申请号：US47174
申请日：1979-06-08
申请人： Robert I. MacDonald
发明人： Robert I. MacDonald
CPC分类号： G02B6/124 , G02B6/29323 , G02B6/29358 , G02B6/2938 , G02B6/29389 , G02B6/29317
摘要： An optical coupler for a fiber optic communication system, which couples one band of wavelengths out of the fiber while allowing others to be carried further. This allows wavelength division multiplexing of different signals within a single fiber. The preferred embodiment of the invention is comprised of a waveguide having aperiodic corrugations in one wall and a Fabry-Perot type resonator enclosing the waveguide around the corrugations with its axis transverse thereto.
摘要翻译： 一种用于光纤通信系统的光耦合器，其将一个波段的波段耦合出光纤，同时允许其他的波长带宽进一步携带。 这允许单个光纤内的不同信号的波分复用。 本发明的优选实施例包括在一个壁中具有非周期性波纹的波导和围绕波纹的波纹管围绕波导的法布里 - 珀罗型谐振器。
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公开(公告)号：US20240272358A1
公开(公告)日：2024-08-15
申请号：US18644163
申请日：2024-04-24
发明人： MING YANG CHUNG , CHEWN-PU JOU , STEFAN RUSU , CHENG-TSE TANG
CPC分类号： G02B6/124 , G02B6/132 , G02B6/29323 , G02B6/29334 , G02B2006/12038 , G02B2006/12107
摘要： A method includes: determining a first material and a second material of a photonic waveguide for propagating light, the photonic waveguide having a first section and a second section arranged in a first layer and a second layer, respectively, of the photonic waveguide; determining a spacing between the first layer and the second layer; determining a parameter set of a crosstalk reduction structure, according to the spacing, the first material and a wavelength of the light, to cause insertion losses of the first section and the second section to be lower than a predetermined threshold; and forming the first and second sections with the first and second materials, respectively, the first section having the crosstalk reduction structure overlapping the second section.
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公开(公告)号：US11994717B2
公开(公告)日：2024-05-28
申请号：US17717128
申请日：2022-04-11
发明人： Ming Yang Chung , Chewn-Pu Jou , Stefan Rusu , Cheng-Tse Tang
CPC分类号： G02B6/124 , G02B6/132 , G02B6/29323 , G02B6/29334 , G02B2006/12038 , G02B2006/12107
摘要： A method includes: determining a first material and a second material of a photonic waveguide for propagating light, the photonic waveguide having a first section and a second section arranged in a first layer and a second layer, respectively, of the photonic waveguide; determining a spacing between the first layer and the second layer; determining a parameter set of a crosstalk reduction structure, according to the spacing, the first material and a wavelength of the light, to cause insertion losses of the first section and the second section to be lower than a predetermined threshold; and forming the first and second sections with the first and second materials, respectively, the first section having the crosstalk reduction structure overlapping the second section.
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公开(公告)号：US11906731B2
公开(公告)日：2024-02-20
申请号：US17041279
申请日：2019-03-08
申请人： DISPELIX OY
发明人： Kasimir Blomstedt , Juuso Olkkonen
CPC分类号： G02B27/0081 , G02B6/29323 , G06F1/1607 , G02B27/0172
摘要： The invention relates to a waveguide display element comprising a waveguide body and an in-coupling grating (21) arranged to the waveguide body. The in-coupling grating (21) is configured to couple incoming light into the waveguide body into two separate directions (26A, 26B) using opposite diffraction orders (IC:+1, IC:−1) for splitting the field of view of the incoming light. Further the in-coupling grating (21) is configured, typically by setting its period suitably short, such that said coupling takes place only at wavelengths below a threshold wavelength residing in the visible wavelength range. The invention also relates to a waveguide stack (51 A, 51 B, 51 C).
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公开(公告)号：US20190121023A1
公开(公告)日：2019-04-25
申请号：US16222097
申请日：2018-12-17
CPC分类号： G02B6/124 , G02B6/0026 , G02B6/29323 , G02B6/29334 , G02B6/34 , G02B6/43 , G02B27/0081 , G02B27/0172 , G02B2027/0125 , G02B2027/0178
摘要： An optical waveguide that performs both in-coupling and out-coupling using two diffractive optical elements is provided. Each optical element is a diffraction grating and can be applied to the same or different surface of the optical waveguide. The diffraction gratings overlap to form two overlapping regions. The first overlapping region in-couples light into the waveguide and the second overlapping region out-couples light from the optical waveguide. Because the optical waveguide only uses two gratings, and therefore only has two grating vectors, the optical waveguide is easier to manufacture than optical waveguides with a greater number of grating vectors.
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公开(公告)号：US10078190B2
公开(公告)日：2018-09-18
申请号：US13012693
申请日：2011-01-24
申请人： Christopher Doerr , Peter Winzer
发明人： Christopher Doerr , Peter Winzer
CPC分类号： G02B6/4249 , G02B6/29323 , G02B6/30 , G02B6/34 , G02B6/43 , G02B2006/12107
摘要： An optical device includes an array of optical grating couplers and a plurality of single-core fiber couplers located over a planar substrate. The optical grating couplers of the array are located to optically couple in a one-to-one manner to optical cores of a multi-core fiber or optical cable having an end located adjacent to the surface. Each single-core fiber coupler includes a planar optical waveguide connecting a corresponding one of the optical couplers of the array to an edge of the substrate.
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公开(公告)号：US09817193B2
公开(公告)日：2017-11-14
申请号：US15606282
申请日：2017-05-26
发明人： Fuad Doany , Benjamin G. Lee , Clint L. Schow
CPC分类号： G02B6/34 , G02B6/12 , G02B6/12002 , G02B6/12004 , G02B6/124 , G02B6/13 , G02B6/136 , G02B6/29323 , G02B6/30 , G02B6/305 , G02B6/32 , G02B6/3652 , G02B6/4214 , G02B6/43 , G02B2006/12104 , H01L25/167 , H01L2924/0002 , H01L2924/00
摘要： An optoelectronic integrated circuit for coupling light to or from an optical waveguide formed in an optical device layer in a near-normal angle to that layer. In an embodiment, the integrated circuit comprises a semiconductor body including a metal-dielectric stack, an optical device layer, a buried oxide layer and a semiconductor substrate arranged in series between first and second opposite sides of the semiconductor body. At least one optical waveguide is formed in the optical device layer for guiding light in a defined plane in that device layer. Diffractive coupling elements are disposed in the optical device layer to couple light from the waveguide toward the second surface of the semiconductor body at a near-normal angle to the defined plane in the optical device layer. In an embodiment, an optical fiber is positioned against the semiconductor body for receiving the light from the coupling elements.
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公开(公告)号：US20160147019A1
公开(公告)日：2016-05-26
申请号：US14964865
申请日：2015-12-10
申请人： Forelux Inc.
发明人： Shu-Lu Chen , Yun-Chung Na
CPC分类号： G02B6/29328 , G02B6/1226 , G02B6/124 , G02B6/29323 , G02B6/29356 , G02B6/30 , G02B6/34 , G02B2006/12104 , G02B2006/12107 , G02F1/025 , G02F1/2257
摘要： An apparatus including a waveguide region configured to guide light propagating along a first direction; a reflector region configured to reflect incident light; an interference region formed between the waveguide region and the reflector region, the interference region configured to confine at least a portion of interference light formed by the incident light and the reflected incident light; and a grating region including a grating formed on a region confining at least a portion of the interference light, the grating configured to couple at least a portion of the light along a second direction that is different from the first direction.
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公开(公告)号：US20150117808A1
公开(公告)日：2015-04-30
申请号：US14510799
申请日：2014-10-09
申请人： Forelux Inc.
发明人： Shu-Lu Chen , Yun-Chung Na
CPC分类号： G02B6/29328 , G02B6/1226 , G02B6/124 , G02B6/29323 , G02B6/29356 , G02B6/30 , G02B6/34 , G02B2006/12104 , G02B2006/12107 , G02F1/025 , G02F1/2257
摘要： An apparatus including a waveguide region configured to guide light propagating along a first direction; a reflector region configured to reflect incident light; an interference region formed between the waveguide region and the reflector region, the interference region configured to confine at least a portion of interference light formed by the incident light and the reflected incident light; and a grating region including a grating formed on a region confining at least a portion of the interference light, the grating configured to couple at least a portion of the light along a second direction that is different from the first direction.
摘要翻译： 一种装置，包括：波导区域，被配置为引导沿着第一方向传播的光; 被配置为反射入射光的反射器区域; 在所述波导区域和所述反射器区域之间形成的干涉区域，所述干涉区域被配置为限制由所述入射光形成的干涉光的至少一部分和所述反射入射光; 以及光栅区域，包括形成在限定干涉光的至少一部分的区域上的光栅，所述光栅被配置为沿着与第一方向不同的第二方向耦合光的至少一部分。
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