Processing

Please wait...

Settings

Settings

Goto Application

1. WO2020088613 - OPTICAL AMPLIFIER

Publication Number WO/2020/088613
Publication Date 07.05.2020
International Application No. PCT/CN2019/114854
International Filing Date 31.10.2019
IPC
H01S 5/12 2006.01
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
SDEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
5Semiconductor lasers
10Construction or shape of the optical resonator
12the resonator having a periodic structure, e.g. in distributed feed-back  lasers
CPC
H01S 5/1014
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
SDEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
5Semiconductor lasers
10Construction or shape of the optical resonator ; , e.g. extended or external cavity, coupled cavities, bent-guide, varying width, thickness or composition of the active region
1003Waveguide having a modified shape along the axis, e.g. branched, curved, tapered, voids
1014Tapered waveguide, e.g. spotsize converter
H01S 5/106
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
SDEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
5Semiconductor lasers
10Construction or shape of the optical resonator ; , e.g. extended or external cavity, coupled cavities, bent-guide, varying width, thickness or composition of the active region
1053Comprising an active region having a varying composition or cross-section in a specific direction
106varying thickness along the optical axis
H01S 5/2018
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
SDEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
5Semiconductor lasers
20Structure or shape of the semiconductor body to guide the optical wave ; ; Confining structures perpendicular to the optical axis, e.g. index or gain guiding, stripe geometry, broad area lasers, gain tailoring, transverse or lateral reflectors, special cladding structures, MQW barrier reflection layers
2004Confining in the direction perpendicular to the layer structure
2018Optical confinement, e.g. absorbing-, reflecting- or waveguide-layers
H01S 5/50
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
SDEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
5Semiconductor lasers
50Amplifier structures not provided for in groups H01S5/02 - H01S5/30
Applicants
  • HUAWEI TECHNOLOGIES CO., LTD. [CN]/[CN]
Inventors
  • LEALMAN, Ian
Priority Data
18204103.802.11.2018EP
Publication Language English (EN)
Filing Language English (EN)
Designated States
Title
(EN) OPTICAL AMPLIFIER
(FR) AMPLIFICATEUR OPTIQUE
Abstract
(EN)
An optical amplifier having a front face, a rear face and an optical cavity, the cavity having a length defined between the front face and the rear face, the cavity comprising a waveguide having an optical confinement factor and a width defined transverse to the length of the cavity, wherein for at least part of the cavity the waveguide has an increasing width in a direction along the length of the cavity and in that part of the cavity the optical confinement factor of the waveguide decreases in the said direction along the length of the cavity.
(FR)
L'invention concerne un amplificateur optique ayant une face avant, une face arrière et une cavité optique, la cavité ayant une longueur définie entre la face avant et la face arrière, la cavité comprenant un guide d'ondes ayant un facteur de confinement optique et une largeur définie transversalement à la longueur de la cavité, le guide d'ondes ayant, pour au moins une partie de la cavité, une largeur croissante dans une direction le long de la longueur de la cavité et dans cette partie de la cavité, le facteur de confinement optique du guide d'ondes diminuant dans ladite direction le long de la longueur de la cavité.
Also published as
Latest bibliographic data on file with the International Bureau