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公开(公告)号：WO2022058854A1
公开(公告)日：2022-03-24
申请号：PCT/IB2021/058255
申请日：2021-09-10
Inventor： OOI, Boon S. , ALKHAZRAGI, Omar , TRICHILI, Abderrahmen , ASHRY, Islam , NG, Tien Khee , ALOUINI, Mohamed-Slim
Abstract: A compounded light-focusing optical element (400/1200/1300) is configured to focus light, and the compounded light-focusing optical element (400/1200/1300) includes a body (414) having a first, flat, end face (402) and a second, curved (404) end face, the second, curved end face (404) being opposite to the first, flat end face (402), and plural optical fibers (210) extending through the body (414), from the first, flat end face (402) to the second, curved end face (404). The plural optical fibers (210) are fused to each other to form the body (414), and end faces (410-I) of the plural optical fibers (210), corresponding to the second, curved end face (404), are pointing in different directions (412-I).
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公开(公告)号：WO2021255641A1
公开(公告)日：2021-12-23
申请号：PCT/IB2021/055269
申请日：2021-06-15
Inventor： OOI, Boon S. , ALKHAZRAGI, Omar , NG, Tien Khee
IPC: H01S5/14 , H01S5/183 , H01S5/40 , H01S5/42 , H01L33/10 , H01S3/105 , H01S3/106 , H01S5/02251 , H01S5/042 , H01S5/50 , G02B6/4206 , G02B6/4214 , H01L27/153 , H01L33/0045 , H01S3/1053 , H01S5/04257 , H01S5/141 , H01S5/146 , H01S5/18311 , H01S5/18341 , H01S5/18347 , H01S5/18361 , H01S5/18394 , H01S5/4012 , H01S5/4087 , H01S5/423
Abstract: An array (700) of surface-emitting gain chips includes a common substrate (110), plural gain chips (100, 300, 500) formed on the common substrate (110), each configured to generate a light beam (102), plural optical couplers (410), each located on a top surface of a corresponding gain chip (100, 300, 500) of the plural gain chips (100, 300, 500), plural optical fibers (420), each connected with one end to a corresponding optical coupler (410) of the plurality of optical couplers (410), an array wide optical coupler (710) connected to another end of the plural optical fibers (420), and a single optical fiber (720) connected to the array wide optical coupler (710) and configured to output the combined light beams (102).
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公开(公告)号：WO2021229434A1
公开(公告)日：2021-11-18
申请号：PCT/IB2021/054004
申请日：2021-05-11
Inventor： KONG, Meiwei , OOI, Boon S. , NG, Tien Khee
IPC: H04B10/116 , H01L31/04 , H04B10/114
Abstract: An optical wireless communication receiver (100/600) includes one or more harvesting solar cells (112) configured to transform light into electrical power; one or more communication solar cells (122) configured to transform light into an electrical signal embedding information; a rechargeable battery (130) configured to store the electrical power generated by the one or more harvesting solar cells (112); a communication module (150) configured to decode the electrical signal generated by the one or more communication solar cells (122) and extract the information; a first switch (114) configured to connect the one or more harvesting solar cells (112) to the rechargeable battery (130) for a harvesting-first state, and to the communication module (150) for a communication-second state; a second switch (124) configured to connect the one or more communication solar cells (122) to the communication module (150) for a communication-first state, and to the rechargeable battery (130) for a harvesting-second state; and a microprocessor (140) configured to control the first and second switches (114, 124).
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公开(公告)号：WO2020128686A1
公开(公告)日：2020-06-25
申请号：PCT/IB2019/060181
申请日：2019-11-26
Inventor： OOI, Boon S. , KANG, Chun Hong , NG, Tien Khee , BAKR, Osman M. , DURSUN, Ibrahim , SINATRA, Lutfan , LUTFULLIN, Marat
IPC: H04B10/116 , H04B10/572
Abstract: A high-speed, wavelength-converting receiver (200) that includes a housing (204); a high-speed, wavelength-converting layer (220) attached to the housing (204) and configured to absorb a first light (240) having a first wavelength range and emit a second light (242) having a second wavelength range, which is different from the first wavelength range; and a high-speed photodetector (202) attached to the housing (204) and having an active face (202A) configured to absorb the second light (242) having the second wavelength range and generate an electrical signal (244). The active face (202A) of the photodetector (202) is fully placed within the housing (204).
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5.发明申请AN APPARATUS COMPRISING A WAVEGUIDE-MODULATOR AND LASER-DIODE AND A METHOD OF MANUFACTURE THEREOF 审中-公开包含波导调制器和激光二极管的装置及其制造方法
公开(公告)号：WO2017060836A1
公开(公告)日：2017-04-13
申请号：PCT/IB2016/055967
申请日：2016-10-05
Applicant: KING ABDULLAH UNIVERSITY OF SCIENCE AND TECHNOLOGY , KING ABDULAZIZ CITY FOR SCIENCE AND TECHNOLOGY
Inventor： OOI, Boon Siew , SHEN, Chao , NG, Tien Khee , ALYAMANI, Ahmed , ELDESOUKI, Munir
CPC classification number: H01S5/0265 , H01S5/0014 , H01S5/0264 , H01S5/3202 , H01S5/34333
Abstract: Example apparatuses are provided for simultaneous generation of high intensity light and modulated light signals at low modulation bias operating characteristics. An example apparatus includes a semipolar or nonpolar GaN-based substrate, a reverse- biased waveguide modulator section, and a forward-biased gain section based on InGaN/GaN quantum-well active regions, wherein the forward-biased gain section is grown on the semipolar or nonpolar GaN-based substrate. Methods of manufacturing the apparatuses described herein are also contemplated and described herein.
Abstract translation: 提供了用于以低调制偏压操作特性同时生成高强度光和调制光信号的示例性装置。 示例性装置包括基于InGaN / GaN量子阱活性区域的半极性或非极性GaN基衬底，反向偏置波导调制器部分和正向偏置增益部分，其中正向偏置增益部分生长在 半极性或非极性GaN基衬底。 本文所述的制造装置的方法也在本文中考虑和描述。
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Patent Agency Ranking6.发明申请
公开(公告)号：WO2022023946A1
公开(公告)日：2022-02-03
申请号：PCT/IB2021/056758
申请日：2021-07-26
Inventor： OOI, Boon Siew , KANG, Chun Hong , ALKHAZRAGI, Omar , NG, Tien Khee
IPC: H04B10/116
Abstract: A transmitter (106) for illuminating with visible light and for broadcasting data with near-infrared light includes a single light source (302) configured to generate an optical beam (304) having a first wavelength in the ultraviolet to visible spectrum, a first phosphor (310) configured to receive the optical beam (304) and to generate a visible light beam (316), and a second phosphor (312) configured to receive the optical beam (304) and to generate a near-infrared, NIR, beam (314) having a second wavelength, larger than the first wavelength. The first wavelength is between 400 and 750 nm and the second wavelength is between 750 nm and 2.5 µm.
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7.发明申请
公开(公告)号：WO2021234576A1
公开(公告)日：2021-11-25
申请号：PCT/IB2021/054282
申请日：2021-05-18
Inventor： KONG, Meiwei , OOI, Boon S. , NG, Tien Khee
Abstract: An autonomous mining system (100) includes a real-time digital video transmission sub-system (110) configured to obtain video streams (125, 127) from underground, and transfer the video streams to a control center (115) located above ground; and an exploration and maintenance sub-system (130) located underground, and configured to extract a resource and bring the resource to the surface, based exclusively on commands received from the control center (115) through the real-time digital video transmission sub-system (110).
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公开(公告)号：WO2021191717A1
公开(公告)日：2021-09-30
申请号：PCT/IB2021/052091
申请日：2021-03-12
Inventor： OOI, Boon S. , ZHENG, Shuiqin , AL IBRAHIM, Redha Hussein , NG, Tien Khee
IPC: G01J9/00 , G01J2009/002
Abstract: A single-shot astigmatic phase retrieval wavefront sensor system (100) includes a single 2-dimensional (2D) grating (110) configured to split an incoming optical beam (112) into plural split beams (114-I) and to modulate each of the plural split beams (114-I) with a corresponding modulation of plural modulations; a light sensor (120) configured to receive the plural split beams (114-I) and determine a light intensity of each of the plural split beams (114-I); and a processing unit (130) connected to the light sensor (120) and configured to calculate a phase distribution of a wavefront of the incoming optical beam (112) based on simultaneously measured light intensities of the plural split beams (114-I).
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公开(公告)号：WO2020201818A1
公开(公告)日：2020-10-08
申请号：PCT/IB2019/053747
申请日：2019-05-07
Inventor： OOI, Boon Siew , SUN, Xiaobin , SHEN, Chao , NG, Tien Khee
IPC: H04B10/11 , H04B10/112 , H04B13/02
Abstract: A method for transmitting information across a water-air interface with a ultraviolet (UV) beam (230), the method including emitting (1100) the UV beam (230) in a first medium, with a first optical wireless communication device (210); measuring (1102) a scintillation index of the UV beam (230) in a second medium, different from the first medium, at a second optical wireless communication device (250); selecting (1104), based on a value of the scintillation index, a modulation scheme for the UV beam (230); and modulating (1106) the UV beam (230) with the selected modulation scheme. The UV beam has a wavelength in a range of 100 to 400 nm.
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公开(公告)号：WO2020170166A1
公开(公告)日：2020-08-27
申请号：PCT/IB2020/051392
申请日：2020-02-19
Inventor： OOI, Boon Siew , KANG, Chun Hong , NG, Tien Khee
IPC: H04B10/114 , H01L31/00 , H04B10/116
Abstract: A large-area, waveguide-based, high-speed ultraviolet and visible light photodetector system (100) for optical wireless communication includes a substrate (102); plural, parallel, waveguides (110) formed directly on the substrate (102) and including a high quantum-yield wavelength-converting material (212) of semiconductor nature; an optical coupling system (120) optically connected to each one of the plural, parallel, waveguides (110); and a photodetector (130) optically connected to the optical coupling system (120) and configured to detect an outgoing light (142). The wavelength-converting material (212) converts a first wavelength of an incoming light (140) at high-speed, received by the plural, parallel, waveguides (110), into a second wavelength of the outgoing light (142). The first wavelength is different from the second wavelength, and the first and second wavelengths are between 200 and 800 nm.
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