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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
Inventor： Oh Kee KWON , Su Hwan OH , Chul-Wook LEE , Kisoo KIM
Abstract: 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
Inventor： Oh Kee KWON , Su Hwan OH , Kisoo KIM , Chul-Wook LEE
Abstract: 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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3.发明申请SUPERLUMINESCENT DIODE, METHOD OF MANUFACTURING THE SAME, AND WAVELENGTH-TUNABLE EXTERNAL CAVITY LASER INCLUDING THE SAME 有权超级亮度二极管，其制造方法和包括其的波长外部腔室激光器公开(公告)号：US20150155428A1
公开(公告)日：2015-06-04
申请号：US14616149
申请日：2015-02-06
Inventor： Su Hwan OH , Ki-Hong YOON , Kisoo KIM , O-Kyun KWON , Oh Kee KWON , Byung-Seok CHOI , Jongbae KIM
IPC: H01L33/00
CPC classification number: H01L33/005 , B82Y20/00 , G02B6/305 , G02B6/4206 , H01L33/0045 , H01L33/20 , H01L2933/0016 , H01L2933/0058 , H01S5/02216 , H01S5/02284 , H01S5/026 , H01S5/06226 , H01S5/101 , H01S5/1014 , H01S5/141 , H01S5/2213 , H01S5/2224 , H01S5/2231 , H01S5/34306 , H01S2301/176
Abstract: Provided are a high-speed superluminescent diode, a method of manufacturing the same, and a wavelength-tunable external cavity laser including the same. The superluminescent diode includes a substrate having an active region and an optical mode size conversion region, waveguides including an ridge waveguide in the active region and a deep ridge waveguide in the optical mode size conversion region connected to the active waveguide, an electrode disposed on the ridge waveguide; planarizing layers disposed on sides of the ridge waveguide and the deep ridge waveguide on the substrate, and a pad electrically connected to the electrode, the pad being disposed on the planarizing layers outside the active waveguide.
Abstract translation: 提供了一种高速超发光二极管，其制造方法，以及包括该发光二极管的波长可调谐外腔激光器。 超发光二极管包括具有有源区和光模尺寸转换区的衬底，在有源区中包括脊波导的波导和连接到有源波导的光模尺寸转换区中的深脊波导， 脊波导; 设置在脊波导的侧面上的平坦化层和基板上的深脊波导，以及与该电极电连接的焊盘，该焊盘设置在有源波导的外侧的平坦化层上。
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公开(公告)号：US20150131687A1
公开(公告)日：2015-05-14
申请号：US14336504
申请日：2014-07-21
Inventor： Su Hwan OH , Oh Kee KWON
IPC: H01S3/04
CPC classification number: H01S5/02469 , G02B6/2804 , G02B6/4204 , G02B6/4269 , G02B6/4271 , H01S5/02212 , H01S5/02284 , H01S5/4012
Abstract: A laser module includes a Transmitter Optical Sub-Assembly (TOSA) and a heat radiating means. The TOSA generates light by an electrical signal and transmits the generated light through an optical fiber. The heat radiating means is in contact with the TOSA to discharge heat generated by the TOSA.
Abstract translation: 激光模块包括发射机光学子组件（TOSA）和散热装置。 TOSA通过电信号产生光，并通过光纤传输所产生的光。 散热装置与TOSA接触以排放TOSA产生的热量。
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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
Inventor： Oh Kee KWON , Chul-Wook LEE , Su Hwan OH , Kisoo KIM
CPC classification number: H01S5/125 , G02B6/12 , G02B6/12004 , G02B2006/12107 , G02B2006/12121 , H01S5/0612 , H01S5/06256 , H01S5/1221 , H01S5/20
Abstract: 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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Patent Agency Ranking
6.发明申请LUMINESCENT DIODE, METHOD FOR MANUFACTURING THE LUMINESCENT DIODE AND WAVELENGTH TUNABLE EXTERNAL CAVITY LASER USING THE LUMINESCENT DIODE 有权发光二极管，使用光致二极管制造发光二极管和波长可控外部空腔激光的方法公开(公告)号：US20170047710A1
公开(公告)日：2017-02-16
申请号：US15159853
申请日：2016-05-20
Inventor： Su Hwan OH , Min Su KIM
IPC: H01S5/14 , H01L33/10 , H01L33/14 , H01S5/026 , H01L33/24 , H01S5/22 , H01S5/042 , H01S5/10 , H01L33/00 , H01L33/20
CPC classification number: H01S5/1014 , H01L33/0045 , H01L33/24 , H01S5/026 , H01S5/101 , H01S5/1064 , H01S5/141 , H01S5/22 , H01S5/2222 , H01S5/227 , H01S2301/176 , H01S2301/18
Abstract: In a luminescent diode and a method for manufacturing the same, a planar buried heterostructure (PBH) and a ridge waveguide structure are combined, so that the luminescent diode can be operated to generate a high output of 100 mW or more at low current. Further, it is possible to reduce electro-optic loss. In addition, the luminescent diode is applied to a wavelength tunable external cavity laser, so that it is possible to provide an external cavity laser having excellent output characteristics.
Abstract translation: 在发光二极管及其制造方法中，组合了平面埋置异质结构（PBH）和脊波导结构，使得发光二极管能够在低电流下产生100mW以上的高输出。 此外，可以减少电光损耗。 此外，将发光二极管应用于波长可调外腔激光器，使得可以提供具有优异输出特性的外腔激光器。
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公开(公告)号：US20150288143A1
公开(公告)日：2015-10-08
申请号：US14676260
申请日：2015-04-01
Inventor： Byung Seok CHOI , O Kyun KWON , Ki Soo KIM , Jong Sool JEONG , Su Hwan OH , Ki Hong YOON
CPC classification number: H01S5/141 , H01S3/1055 , H01S3/106 , H01S5/02284 , H01S5/0618 , H01S5/06226 , H01S5/1221
Abstract: Provided herein is a tunable external cavity laser comprising: a gain medium configured to create an optical signal; an external reflector configured to be coupled to the gain medium, and to comprise a Bragg grating; and a phase control section configured to adjust a phase of an entire laser, but to adjust a wavelength of the laser to a longer wavelength than a peak reflectivity of the external reflector.
Abstract translation: 本文提供了一种可调谐外腔激光器，包括：增益介质，其被配置为产生光信号; 外部反射器，被配置为耦合到所述增益介质，并且包括布拉格光栅; 以及相位控制部，被配置为调整整个激光器的相位，但是将激光器的波长调整到比外部反射器的峰值反射率更长的波长。
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公开(公告)号：US20150110144A1
公开(公告)日：2015-04-23
申请号：US14570975
申请日：2014-12-15
Inventor： Oh Kee KWON , Su Hwan OH , Young Ahn LEEM , O-Kyun KWON , Young-Tak HAN , Yongsoon BAEK , Yun C. CHUNG
IPC: H01S5/22
CPC classification number: H01S5/22 , B82Y20/00 , H01S5/1039 , H01S5/1225 , H01S5/1243 , H01S5/2213 , H01S5/222 , H01S5/2231 , H01S5/3213 , H01S5/34306
Abstract: A distributed feedback-laser diode may include a substrate, a lower cladding layer having a grating on the substrate, an active layer disposed on the lower cladding layer, a first upper cladding layer disposed on the active layer, a phase-shift region extending in a first direction on the first upper cladding layer, and a ridge waveguide layer extending in a second direction crossing the first direction on the phase-shift region.
Abstract translation: 分布式反馈激光二极管可以包括基板，在基板上具有光栅的下包层，设置在下包层上的有源层，设置在有源层上的第一上包层， 第一上包层上的第一方向，以及在相移区域上与第一方向交叉的第二方向延伸的脊波导层。
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公开(公告)号：US20240243549A1
公开(公告)日：2024-07-18
申请号：US18413680
申请日：2024-01-16
Inventor： Su Hwan OH , Kisoo KIM , Hongseung KIM
CPC classification number: H01S5/125 , H01S5/02453 , H01S5/0421 , H01S5/04256 , H01S5/3407
Abstract: Disclosed are a distributed reflector laser diode and a method for manufacturing the same. The diode includes a substrate including a DFB region and a DBR region contacting the DFB region, an active layer on the substrate of the DFB region, a first lattice on the active layer, a second lattice provided on the substrate of the DBR region and thicker than the first lattice, an upper clad layer on the first lattice and the second lattice, an ohmic contact layer on the upper clad layer of the DFB region, an upper electrode on the ohmic contact layer, an insulating layer on the clad layer of the DBR region, and a heater layer on the insulating layer.
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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
Inventor： Oh Kee KWON , Kisoo KIM , Su Hwan OH , Chul-Wook LEE
IPC: G02F1/01
Abstract: 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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