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Patent Searching and Data


Title:
OPTICAL ELEMENT
Document Type and Number:
Japanese Patent JP2006140189
Kind Code:
A
Abstract:

To provide an optical element comprising a surface emission laser having good high frequency characteristics, and a light receiving element for detecting a part of laser light emitted from the surface emission laser.

The optical element 100 comprises a surface emission laser 130, a light receiving element 120 for detecting a part of laser light emitted from the surface emission laser 130. The surface emission laser comprises a first mirror 102 formed above a substrate 101, an active layer 103 formed above the first mirror, and a second mirrors 104 and 108 formed above the active layer. The light receiving element comprises a light absorption layer 111 formed above the second mirror, a first impurity containing layer 114 formed above the light absorption layer, a second impurity containing layer 115 formed above the light absorption layer, a first electrode 112 formed above the first impurity containing layer, and a second electrode 113 formed above the second impurity containing layer.


Inventors:
NISHIDA TETSURO
SATO JUNJI
Application Number:
JP2004326175A
Publication Date:
June 01, 2006
Filing Date:
November 10, 2004
Export Citation:
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Assignee:
SEIKO EPSON CORP
International Classes:
H01S5/026; H01L31/10; H01L31/12; H01S5/183
Domestic Patent References:
JP2000183444A2000-06-30
JP2003121673A2003-04-23
JP2004531896A2004-10-14
JP2002100829A2002-04-05
JPH04363083A1992-12-15
JP2003249714A2003-09-05
JPH10233557A1998-09-02
Attorney, Agent or Firm:
Yukio Fuse
Mitsue Obuchi