Title:
面発光型発光素子、光モジュール、光伝達装置
Document Type and Number:
Japanese Patent JP4058633
Kind Code:
B2
Abstract:
A surface light emitting (SLE) element (100) according to the present invention comprises: a light emitting part (140), provided on a semiconductor substrate (101) and emitting light perpendicular to the semiconductor substrate (101); a light detecting part (120), provided on the light emitting part (140); a first electrode (110) and a second electrode (111), which drives the light detecting part (120). The light detecting part (120) comprises: a second contact layer (112); a light absorption layer (113), provided on the second contact layer (112); and a first contact layer (114) provided on the light absorption layer (113). The first contact layer (114) comprises: a first light passage part (114a); and at least one electrode coupling part (114b), extending from the first light passage part (114a). The first electrode (110) is provided on the first electrode coupling part (114b) of the first contact layer (114).
Inventors:
Tsuyoshi Kaneko
Application Number:
JP2003272890A
Publication Date:
March 12, 2008
Filing Date:
July 10, 2003
Export Citation:
Assignee:
Seiko Epson Corporation
International Classes:
H01S5/183; H01J40/14; H01L31/00; H01S5/026; H01S5/18; H01S5/30
Domestic Patent References:
| JP2001284723A | ||||
| JP2002504754A |
Attorney, Agent or Firm:
Yukio Fuse
Mitsue Obuchi
Mitsue Obuchi