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公开(公告)号：US20150002918A1
公开(公告)日：2015-01-01
申请号：US14148086
申请日：2014-01-06
发明人： Oh Kee KWON , Chul-Wook LEE , Young-Tak HAN , Jang Uk SHIN , Minhyup SONG , Kwang Ryong OH
IPC分类号： G02F1/35
CPC分类号： G02F1/3532 , H01S5/0687
摘要： Provided are a wavelength swept source apparatus and a method for controlling thereof. According to the provided apparatus and method, single mode light is generated, a basic optical comb is generated by modulating the generated single mode light, and a plurality of optical combs having different a frequency band from that of the basic optical comb is generated by modulating the plurality of light rays. The plurality of light rays and light rays included in the plurality of optical combs are sequentially emitted according to frequencies of the plurality of light rays and the light rays included in the plurality of optical combs. A value of a control variable is adjusted based on a characteristic of the generated single mode light, the plurality of light rays, the light rays included in the plurality of optical combs, and the emitted light rays.
摘要翻译： 提供一种波长扫描源装置及其控制方法。 根据所提供的装置和方法，产生单模光，通过调制所生成的单模光产生基本光梳，并且通过调制产生具有与基本光梳不同频带的多个光梳 多个光线。 包含在多个光梳中的多个光线和光线依照多个光线的频率和多个光梳中包含的光线依次发射。 基于所生成的单模光，多个光线，包括在多个光梳中的光线和发射的光线的特性来调整控制变量的值。
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公开(公告)号：US20220029378A1
公开(公告)日：2022-01-27
申请号：US17313610
申请日：2021-05-06
发明人： Oh Kee KWON , Su Hwan OH , Chul-Wook LEE , Kisoo KIM
摘要： Provided are an optical waveguide device and a laser apparatus including the same. The optical waveguide device includes a peripheral part disposed on an edge region of a substrate, an air pocket disposed on a central region of the substrate within the peripheral part, an optical waveguide comprising a core layer, which is disposed on an upper portion of the substrate within the air pocket to extend in a first direction, and an electrode on the core layer, and a plurality of hinges disposed on the air pocket to connect the optical waveguide to the peripheral part in a second direction crossing the first direction.
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公开(公告)号：US20210313766A1
公开(公告)日：2021-10-07
申请号：US17213359
申请日：2021-03-26
发明人： Oh Kee KWON , Su Hwan OH , Kisoo KIM , Chul-Wook LEE
摘要： Disclosed are a wavelength-selectable laser diode and an optical communication apparatus including the same. The wavelength-selectable laser diode includes a substrate, which includes a gain region, a tuning region spaced apart from the gain region, and a phase adjusting region between the tuning region and the gain region, a waveguide layer on the substrate, a clad layer on the waveguide layer, and gratings disposed on the substrate or the clad layer in the gain region and the tuning region.
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4.发明申请RIDGE WAVEGUIDE SEMICONDUCTOR LASER DIODE AND METHOD FOR MANUFACTURING THE SAME 审中-公开RIDGE波导半导体激光二极管及其制造方法公开(公告)号：US20140328363A1
公开(公告)日：2014-11-06
申请号：US14147923
申请日：2014-01-06
发明人： Oh Kee KWON , Chul-Wook LEE , Yongsoon BAEK
CPC分类号： H01S5/22 , H01S5/2086 , H01S5/209 , H01S5/2202 , H01S5/3213 , H01S2301/166 , H01S2301/176
摘要： Provided is a method of manufacturing a ridge waveguide type semiconductor laser diode, the method including sequentially forming, on a substrate, a lower clad layer, an active layer, a first upper clad layer, and a second upper clad layer; forming an insulating mask on the second upper clad layer; wet-etching the second upper clad layer by using the insulating mask to form channels passing through the second upper clad layer and a ridge between the channels; and performing dry-etching by using the insulating mask to form trenches that are extended from the channels and pass through the first upper clad layer.
摘要翻译： 提供一种制造脊波导型半导体激光二极管的方法，该方法包括在基底上顺序地形成下包层，有源层，第一上覆层和第二上覆层; 在所述第二上包覆层上形成绝缘掩模; 通过使用绝缘掩模对第二上覆层进行湿式蚀刻，以形成通过第二上覆层的沟道和通道之间的脊; 并通过使用绝缘掩模进行干蚀刻以形成从沟道延伸并穿过第一上包层的沟槽。
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公开(公告)号：US20220255291A1
公开(公告)日：2022-08-11
申请号：US17561212
申请日：2021-12-23
发明人： Su Hwan OH , Oh Kee KWON , Chul-Wook LEE , Kisoo KIM
摘要： Provided is a laser diode and a method for manufacturing the same. The diode includes a substrate including a DBR region having a channel hole, an active region, and a phase shift region, an optical waveguide provided on the substrate and extending from the active region to the DBR region, a lower insulation layer disposed on the optical waveguide, upper electrodes disposed on the lower insulation layer, and a heat blocking layer disposed in the channel hole of the DBR region and thermally separating the optical waveguide from the substrate.
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公开(公告)号：US20210288463A1
公开(公告)日：2021-09-16
申请号：US17182976
申请日：2021-02-23
发明人： Oh Kee KWON , Kisoo KIM , Su Hwan OH , Chul-Wook LEE
摘要： Provided is a laser device according to embodiments of the inventive concept comprising a substrate including a gain region, a phase control region, and a tuning region arranged along a first direction, the substrate having an air gap which extends from the phase control region to the tuning region, an upper clad layer on the substrate, a waveguide structure extending in the first direction between the upper clad layer and the substrate, a first upper electrode disposed on the upper surface of the upper clad layer of the tuning region, and a lower electrode disposed on a lower surface of the substrate and extending from the gain region to the tuning region, wherein the air gap may have a larger width than the waveguide in a second direction crossing the first direction.
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公开(公告)号：US20180205200A1
公开(公告)日：2018-07-19
申请号：US15712874
申请日：2017-09-22
发明人： Oh Kee KWON , Chul-Wook LEE , Su Hwan OH , Kisoo KIM
CPC分类号： H01S5/125 , G02B6/12 , G02B6/12004 , G02B2006/12107 , G02B2006/12121 , H01S5/0612 , H01S5/06256 , H01S5/1221 , H01S5/20
摘要： Provided is a distributed Bragg reflector tunable laser diode including a substrate provided with a gain section having an active waveguide from which a gain of laser light is obtained and a distributed reflector section having a passive waveguide connected to the active waveguide, wherein the distributed reflector section includes gratings disposed on or under the passive waveguide, a current injection electrode disposed on the passive waveguide and configured to provide a current into the passive waveguide to electrically tune a wavelength of the laser light, and a heater electrode disposed on the current injection electrode and configured to heat the passive waveguide to thermally tune the wavelength of the laser light, wherein the gratings, the current injection electrode, and the heater electrode vertically overlap each other.
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公开(公告)号：US20160077404A1
公开(公告)日：2016-03-17
申请号：US14951311
申请日：2015-11-24
发明人： Oh Kee KWON , Kwang Ryong OH , minhyup SONG , Chul-Wook LEE , Jang Uk SHIN , Young-Tak HAN
IPC分类号： G02F1/35
CPC分类号： G02F1/3532 , G02F1/365 , G02F1/383 , G02F2001/354 , G02F2203/56
摘要： A method of operating a wavelength swept source apparatus includes generating a single mode light, and generating a basic optical comb including light rays having identical frequency differences with adjacent light rays by modulating the generated single mode light. The method further includes generating other optical combs that include the same number of light rays as that of light rays of the optical comb that has a frequency band different from that of the basic optical comb, and is distributed in a frequency band wider than that in which the basic optical comb is distributed, by modulating the light rays of the basic optical comb. The light rays of the basic optical comb and the light rays included in the other optical combs are sequentially emitted according to frequencies of the light rays of the basic optical comb and the light rays included in the other optical combs.
摘要翻译： 操作波长扫描源装置的方法包括：生成单模光，并通过调制所生成的单模光，产生包括具有与相邻光线相同频率差的光的基本光梳。 该方法还包括生成包括与具有与基本光梳的频带不同的频带的光梳的光线相同数量的光束的其他光梳，并且分布在比 通过调制基本光梳的光线，分配基本光梳。 基本光梳的光线和包含在其他光梳中的光线根据基本光梳的光线和包含在其他光梳中的光线的频率依次发射。
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公开(公告)号：US20210149226A1
公开(公告)日：2021-05-20
申请号：US17159947
申请日：2021-01-27
发明人： Oh Kee KWON , Kisoo KIM , Su Hwan OH , Chul-Wook LEE
IPC分类号： G02F1/01
摘要： An optical device according to the embodiment of the inventive concept includes a waveguide path including a light generation region, a wavelength variable region, and a light modulation region, a first light waveguide layer provided in the light generation region to generate light, a second light waveguide layer provided in the wavelength variable region and connected to the first light waveguide layer, a ring-shaped third light waveguide layer provided in the light modulation region and connected to the second light waveguide layer, and first and second light modulation electrodes spaced apart from each other with the light modulation region therebetween. Here, the first light modulation electrode, the third light waveguide layer, and the second light modulation electrode vertically overlap each other.
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10.发明申请公开(公告)号：US20200028324A1
公开(公告)日：2020-01-23
申请号：US16585035
申请日：2019-09-27
发明人： Oh Kee KWON , Su Hwan OH , Chul-Wook LEE , Kisoo KIM
摘要： Provided are an optical apparatus, a manufacturing method of a distributed Bragg reflector laser diode, and a manufacturing method of the optical apparatus, the an optical apparatus including a cooling device, a distributed Bragg reflector laser diode having a lower clad including a recess region on one side of the cooling device and connected to another side of the cooling device, and an air gap between the cooling device and the distributed Bragg reflector laser diode, wherein the air gap is defined by a bottom surface of the lower clad in the recess region and a top surface of the cooling device.
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