WO2023012666 - MODE FIELD ADAPTER FOR OPTICAL COUPLING OF WAVEGUIDES
National phase entry:
Publication Number
WO/2023/012666
Publication Date
09.02.2023
International Application No.
PCT/IB2022/057168
International Filing Date
02.08.2022
Title **
[English]
MODE FIELD ADAPTER FOR OPTICAL COUPLING OF WAVEGUIDES
[French]
ADAPTATEUR DE CHAMP DE MODE POUR COUPLAGE OPTIQUE DE GUIDES D'ONDES
Applicants **
DENSELIGHT SEMICONDUCTORS PTE LTD
6 Changi North Street 2
Singapore 498831, SG
Inventors
LOH, Ter Hoe
79 Flora Drive #03-29, Hedges Park
Singapore 506885, SG
LAM, Yee Loy
271 Choa Chu Kang Avenue 2 #14-261
Singapore 680271, SG
Priority Data
63/229,351
04.08.2021
US
Application details
| Total Number of Claims/PCT | * |
| Number of Independent Claims | * |
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| Number of Multi-Dependent Claims | * |
| Number of Drawings | * |
| Pages for Publication | * |
| Number of Pages with Drawings | * |
| Pages of Specification | * |
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International Searching Authority |
MOIP
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| Applicant's Legal Status |
Legal Entity
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| Entry into National Phase under |
Chapter I
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| Translation |
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Quotation for National Phase entry
| Country | Stages | Total | |
|---|---|---|---|
| China | Filing | 1272 | |
| EPO | Filing, Examination | 8057 | |
| Japan | Filing | 590 | |
| South Korea | Filing | 574 | |
| USA | Filing, Examination | 8710 |
Total: 19203 USD
The term for entry into the National Phase has expired. This quotation is for informational purposes only
Abstract[English]
A mode field adapter (MFA) is disclosed. The MFA is tapered and includes a passive core region and an active core region separated by a distance. Further, the passive core region includes first and second passive layers that are separated by another distance. The MFA is configured to receive an optical signal from a first waveguide, and alter, for transmission to a second waveguide, an optical mode of the optical signal. The optical mode is altered based on the distance between the first and second passive layers, the distance between the active and passive core regions, and the tapering of the MFA. The optical mode is altered such that an optical loss associated with the optical signal traversing from the first waveguide to the second waveguide by way of the MFA is within a tolerance limit.[French]
Un adaptateur de champ de mode (MFA) est divulgué. Le MFA est effilé et comprend une région centrale passive et une région centrale active séparées par une distance. En outre, la région centrale passive comprend des première et seconde couches passives qui sont séparées par une autre distance. Le MFA est configuré pour recevoir un signal optique provenant d'un premier guide d'ondes, et modifier, pour une transmission vers un second guide d'ondes, un mode optique du signal optique. Le mode optique est modifié sur la base de la distance entre les première et seconde couches passives, la distance entre les régions centrales active et passive, et la conicité du MFA. Le mode optique est modifié de telle sorte qu'une perte optique associée au signal optique traversant du premier guide d'ondes vers le second guide d'ondes au moyen du MFA se trouve à l'intérieur d'une limite de tolérance.