PHOTONIC CRYSTAL SURFACE EMITTING LASER STRUCTURE

To provide a photonic crystal surface emitting laser structure.SOLUTION: A photonic crystal surface emitting laser structure includes a substrate, an N-type cladding layer provided on the substrate, an active layer provided on the N-type cladding layer, a refractive index matching layer provided in...

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Bibliographic Details
Main Authors ZHAO TIANXING, LU TIENANG, HONG GUO BIN, CHEN LI REN
Format Patent
LanguageEnglish
Japanese
Published 21.02.2023
Subjects
BASIC ELECTRIC ELEMENTS
DEVICES USING STIMULATED EMISSION
ELECTRICITY
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Summary:To provide a photonic crystal surface emitting laser structure.SOLUTION: A photonic crystal surface emitting laser structure includes a substrate, an N-type cladding layer provided on the substrate, an active layer provided on the N-type cladding layer, a refractive index matching layer provided in the N-type cladding layer so as to surround the active layer, electrically insulated, and having substantially the same equivalent refractive index as that of the active layer, and a photonic crystal structure provided in the active layer and the refractive index matching layer.SELECTED DRAWING: Figure 1C 【課題】フォトニック結晶面発光レーザ構造を提供する。【解決手段】基板と、基板に設けられるＮ型クラッド層と、Ｎ型クラッド層に設けられる活性層と、活性層を取り囲むようにＮ型クラッド層に設けられ、電気的に絶縁され、且つ、その等価屈折率と活性層の等価屈折率とが実質的に同じである屈折率整合層と、活性層及び屈折率整合層に設けられるフォトニック結晶構造と、を備えるフォトニック結晶面発光レーザ構造。【選択図】図１Ｃ
Bibliography:Application Number: JP20210157954