Title:
SEMICONDUCTOR LIGHT DEVICE
Document Type and Number:
Japanese Patent JP3178565
Kind Code:
B2
Abstract:
PURPOSE: To provide a taper waveguide path which is compact, can be manufactured easily, and can photo-couple a semiconductor light function element where a plurality of devices are integrated and an optical fiber with a low loss.
CONSTITUTION: A taper waveguide path where a buried type tape waveguide path in that at least either the width or the thickness of a waveguide path core layer 302 is changed gradually along the light propagation direction is formed is constituted of at least one-layer waveguide path core layer 302 and clad layers 303, 304, 305, and 309 machined in mesa shape on a semiconductor substrate 301 in the semiconductor light device. The clad layer has a higher refractive index than that of a substrate material.
Inventors:
Kazuo Kasaya
Osamu Mitomi
Mitsuru Naganuma
Osamu Mitomi
Mitsuru Naganuma
Application Number:
JP16298093A
Publication Date:
June 18, 2001
Filing Date:
June 30, 1993
Export Citation:
Assignee:
Nippon Telegraph and Telephone Corporation
International Classes:
G02B6/122; G02B6/42; H01L27/15; H01L33/06; H01L33/08; H01L33/10; H01L33/12; H01L33/30; H01L33/44; H01L33/62; G02B6/30; (IPC1-7): H01L33/00; G02B6/122; H01L27/15
Domestic Patent References:
| JP3228380A | ||||
| JP6089990A | ||||
| JP4360105A |
Attorney, Agent or Firm:
Yoshikazu Tani (1 person outside)