JPH01121964U - - Google Patents

Info

Publication number
JPH01121964U
JPH01121964U JP1770188U JP1770188U JPH01121964U JP H01121964 U JPH01121964 U JP H01121964U JP 1770188 U JP1770188 U JP 1770188U JP 1770188 U JP1770188 U JP 1770188U JP H01121964 U JPH01121964 U JP H01121964U
Authority
JP
Japan
Prior art keywords
active layer
semiconductor laser
layer
protective film
emitted
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP1770188U
Other languages
English (en)
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP1770188U priority Critical patent/JPH01121964U/ja
Publication of JPH01121964U publication Critical patent/JPH01121964U/ja
Pending legal-status Critical Current

Links

Description

【図面の簡単な説明】
第1図は本考案の実施例を示す断面図、第2図
は動作電流の経時変化を示す特性図、第3図は従
来例を示す断面図である。 24,26……第1、第2クラツド層、25…
…活性層、28……保護膜、29a,29b……
左右端面。

Claims (1)

  1. 【実用新案登録請求の範囲】 活性層と該活性層を挾装し、斯る活性層よりバ
    ンドギヤツプが大なる第1、第2クラツド層とを
    備えた屈折率導波型の半導体レーザにおいて、 上記各層の積層方向と平行でかつレーザ光が出
    射されない端面上に露出した活性層表面に保護膜
    を形成したことを特徴とする半導体レーザ。
JP1770188U 1988-02-12 1988-02-12 Pending JPH01121964U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1770188U JPH01121964U (ja) 1988-02-12 1988-02-12

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1770188U JPH01121964U (ja) 1988-02-12 1988-02-12

Publications (1)

Publication Number Publication Date
JPH01121964U true JPH01121964U (ja) 1989-08-18

Family

ID=31231717

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1770188U Pending JPH01121964U (ja) 1988-02-12 1988-02-12

Country Status (1)

Country Link
JP (1) JPH01121964U (ja)

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