公开(公告)号：JPH039331A

公开(公告)日：1991-01-17

申请号：JP14377389

申请日：1989-06-06

Applicant: AGENCY IND SCIENCE TECHN

Inventor： ITO HIDEO ,  SUZUKI KATSUHIRO ,  YAJIMA HIROYOSHI ,  MORI MASAHIKO ,  MUKAI SEIJI

IPC: G02F1/313 ,  G02F3/00 ,  G06E1/00 ,  H03K19/14

Abstract: PURPOSE:To achieve speedy operation by means of a simple structure by expressing each logical value of plural binary logic variables by the use of a combination of intensity of currents caused to indivisually flow into two or more places of the active layer of a beam deflecting laser. CONSTITUTION:Each logical value of the plural binary logic variables, which is an input variable, is expressed by a combination of intensity of currents caused to indivisually flow into two or more places of the active layer 13 of the beam deflecting laser 10. In this manner, a superimposed current is caused to flow into two or more places of the active layer 13 of the beam deflecting laser 10 according to a prescribed combination of current values, which meets a logical value of each of the plural binary logic variables; consequently, a direction in which a laser bean is emitted from the beam deflecting laser 10 is changed according to the combination. Thus, based on each laser beam emit ting direction, plural binary logic variables, given as an input, can be easily read by the use of a result operated according to an aimed logical operating expression.

公开(公告)号：JPH0563303A

公开(公告)日：1993-03-12

申请号：JP25310891

申请日：1991-09-04

Applicant: AGENCY IND SCIENCE TECHN

Inventor： OGURA MUTSURO ,  WATANABE MASANOBU ,  ITO HIDEO ,  MORI MASAHIKO ,  MUKAI SEIJI ,  YAJIMA HIROYOSHI ,  CHIN TOMOO

IPC: H01S5/00

Abstract: PURPOSE:To manufacture the title optical functional element in optical waveguide structure discharging satisfactory optical confining function in simple process on a substrate while reducing the obstruction factor to the increase in the integration degree as well as gaining the freedom of layout. CONSTITUTION:A pair of insulating films 3, 3 in specific width are formed on an n-GaAs substrate 2. Next, an AlGaAs lower side clad layer 6, a GaAs waveguide layer 7 and an AlGaAs upper side clad layer 8 are successively grown by MOCVD step on the substrate main surface exposed by a striped window 4 between the pair of insulating films 3, 3 so As to erect an optical waveguide structure. In such a constitution, if the main surface of the substrate 2 comprises (1, 0, 0) surfaces, the side surfaces of the optical waveguide structure have the oblique surfaces comprising B surfaces (1, 1, 1).