WO2007108508A1 - 光モジュール - Google Patents
光モジュール Download PDFInfo
- Publication number
- WO2007108508A1 WO2007108508A1 PCT/JP2007/055871 JP2007055871W WO2007108508A1 WO 2007108508 A1 WO2007108508 A1 WO 2007108508A1 JP 2007055871 W JP2007055871 W JP 2007055871W WO 2007108508 A1 WO2007108508 A1 WO 2007108508A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- submount
- optical
- base
- optical waveguide
- optical module
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/42—Coupling light guides with opto-electronic elements
- G02B6/4201—Packages, e.g. shape, construction, internal or external details
- G02B6/4204—Packages, e.g. shape, construction, internal or external details the coupling comprising intermediate optical elements, e.g. lenses, holograms
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/42—Coupling light guides with opto-electronic elements
- G02B6/4201—Packages, e.g. shape, construction, internal or external details
- G02B6/4219—Mechanical fixtures for holding or positioning the elements relative to each other in the couplings; Alignment methods for the elements, e.g. measuring or observing methods especially used therefor
- G02B6/4236—Fixing or mounting methods of the aligned elements
- G02B6/4237—Welding
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/42—Coupling light guides with opto-electronic elements
- G02B6/4292—Coupling light guides with opto-electronic elements the light guide being disconnectable from the opto-electronic element, e.g. mutually self aligning arrangements
Definitions
- the present invention relates to an optical module and a method for manufacturing the same, and more particularly to an optical module having a hybrid optical integrated device and a method for manufacturing the same.
- the hybrid integrated device requires an optical lens for optical coupling and has a large number of parts, but it is easy to optimize the functions of individual optical elements and to easily change the design. In addition, it is attracting attention because of its wide range of applications, such as the ability to integrate optical elements made of different materials.
- Japanese Patent Application Laid-Open No. 2001-59925 describes an optical module that can be easily aligned when an optical waveguide element having an optical waveguide and an optical element such as an optical lens are optically coupled. In the optical module described in Japanese Patent Laid-Open No.
- a holder for mounting an optical element including an optical isolator and an optical lens is aligned with the optical waveguide element in the module while being held by the holder holding portion.
- a structure is adopted in which the holder is fixed to a holder holding portion fixed on the base in advance.
- the present invention is a hybrid optical module that optically couples a plurality of optical waveguide elements to each other via an optical element, and has high positional accuracy during the optical coupling.
- An object of the present invention is to provide an optical module improved so as to be easily performed and a method for manufacturing the same.
- the present invention provides an optical module in which a plurality of optical waveguide elements each having an optical waveguide and disposed on a base are optically coupled via an optical system including an optical lens.
- a support member that supports at least one of the base plate and the base plate having a substantially rectangular parallelepiped shape that is fixed on the base plate, and an upper surface force of the base portion that are upright and extend opposite to each other.
- a fixing member having
- a submount member having a substantially rectangular parallelepiped shape, wherein the opposing side surfaces are sandwiched between the opposing wall surfaces of the two standing walls, and are separated from the base and supported by the standing wall;
- An optical module comprising: is provided.
- the present invention provides an optical module manufacturing method in which a plurality of optical waveguide elements each having an optical waveguide and disposed on a base are optically coupled via an optical system including an optical lens.
- a fixing member having a substantially rectangular parallelepiped base and two upstanding walls that are upright from the upper surface of the base and extend opposite to each other;
- an optical module After optically aligning the at least one optical waveguide element with another optical waveguide element via at least a part of the optical system, between the submount member and the fixing member, and the fixing There is provided a method for manufacturing an optical module, comprising: fixing each of a member and the base.
- the optical module of the present invention and the optical module manufactured by the method of the present invention are optical waveguide elements when optically coupling a plurality of optical waveguide elements via an optical system on a base of an optical module.
- the position and angle of the optical axis can be adjusted accurately and easily by moving and adjusting the optical waveguide element with respect to the base. Then, by fixing the submount member and the fixing member, and the fixing member and the base, an optical module with high optical coupling efficiency and easy manufacture can be obtained.
- the fixing member and the submount are fixed.
- the adjustment can be performed again by removing the fixing of the member or by removing the fixing of the base and the fixing member. This improves the yield when assembling the optical module package.
- FIG. 1 is a longitudinal sectional view of an optical module according to a first embodiment of the present invention.
- FIG. 2 is a cross-sectional view showing the MZ type modulator in the optical module of FIG. 1 together with a support member including a submount member and a fixing member.
- FIG. 3 is a perspective view showing a state when positioning the MZ type modulator of FIG. 2.
- FIG. 4 is a perspective view showing the structure of the MZ modulator in FIG. 2.
- FIG. 5 is a cross-sectional view of the input / output waveguide portion of the MZ modulator of FIG.
- FIG. 6 is a plan view and cross-sectional views sequentially showing manufacturing steps of the MZ type modulator of FIG. 4.
- FIG. 7 is a plan view and a cross-sectional view sequentially showing manufacturing steps subsequent to FIG. 6.
- FIG. 8 A graph showing the change in coupling efficiency with respect to the height deviation from the optical axis of the optical waveguide device.
- FIG. 9 is a perspective view showing an optical waveguide element in an optical module according to a second embodiment of the present invention together with a supporting member.
- FIG. 10 is a perspective view showing an optical waveguide element in a modification of the optical module according to the second embodiment together with a support member.
- FIG. 11 is a sectional view showing an optical waveguide element together with a supporting member in an optical module according to a third embodiment of the present invention, and a perspective view showing both the optical waveguide element and a submount member.
- FIG. 12 is an exploded perspective view of an optical waveguide element and a support member in an optical module according to a modification of the first embodiment.
- FIG. 1 is a longitudinal sectional view showing an optical module according to the first embodiment of the present invention.
- the optical module includes a plurality of optical waveguide elements 5 and 10 arranged on a base 3 accommodated in the package 1 and optical systems 6, 24, 7 and 11 including an optical lens, and an outside of the package. It consists of optical systems 12 and 13 arranged. This optical module is optically coupled to the optical fiber 13.
- the base 3 is mounted on the Peltier module 2 that constitutes the temperature controller. The module 2 removes the amount of heat generated from the optical waveguide elements 5 and 10.
- the optical element mounted on the base 3 includes a laser diode 5 and an MZ modulator 10.
- the laser diode 5 is an optical waveguide element that generates laser light having a predetermined wavelength.
- a DFB array type tunable laser diode can be used.
- the MZ type modulator 10 is an optical waveguide device having a Mach-Zehnder (MZ) type interference waveguide, modulates the laser light generated by the laser diode 5 and supplies it to the optical fiber 13.
- MZ type modulator 10 is mounted on the submount member 9 and fixed on the base 3 via the fixing member 8.
- the photodiode 4 receives the laser beam generated by the laser diode 5 and monitors its intensity.
- the optical system in the package is disposed to optically couple the optical waveguide formed in the laser diode 5 and the MZ modulator 10, and includes a collimating lens 6, an optical isolator. 24 and condenser lens 7 are included.
- the collimating lens 11 and the condensing lens 12 are arranged to couple the emitted light from the MZ type modulator 10 to the fiber 13.
- FIG. 2 is a cross-sectional view of the MZ modulator 10 mounted on the base 3.
- a metal fixing member 8 composed of a base 31 and two upstanding walls 32 that stand on the base 31 and face each other is fixed. The fixing between the two is performed by spot welding the base 31 and the base 3 with a YAG laser.
- a rectangular parallelepiped metal submount 33 on which the MZ modulator 10 is mounted is sandwiched between the two standing walls 32 of the fixing member 8 facing each other.
- the MZ modulator 10 is mounted on a nonmetallic submount 34, and the nonmetallic submount 34 is mounted on the metallic submount 33.
- the metal submount 33 and the nonmetal submount 34 are soldered to each other to constitute a submount member 9 for mounting the MZ type modulator 10, and includes the submount member 9 and the fixing member 8.
- the MZ modulator 10 is positioned and fixed on the base 3 by the support member.
- the width dimension of the metal submount 33 conforms to the separation distance of the opposed upright walls 32, and the MZ modulator 10 does not apply external force to the metal submount 33 and nonmetal submount 34. Thus, it can be held still by being held by the standing wall 32.
- FIG. 3 is a perspective view showing a state when the MZ modulator 10 is positioned.
- the fixing member 8 is disposed on the base 3.
- the metal submount 33 and the nonmetal submount 3 With the MZ-type modulator 10 fixed on the submount member 9 consisting of 4 and 4, the submount member 9 is sandwiched by the positioning arm 16 and inserted between the standing walls 32 of both of the fixed members 8. .
- the already fixed laser diode 5 is operated to generate laser light.
- the positioning arm 16 is operated to move the submount member 9 between the standing walls 32 in the optical axis direction (Z direction) and the vertical direction (Y direction), and the submount member 9 is disposed between the standing walls 32. While moving the submount member 9 together with the fixed component 8 in the lateral direction (X direction), the interference waveguide of the MZ modulator 10 and the waveguide of the laser diode 5 are aligned.
- FIG. 4 is a perspective view showing the structure of the MZ type modulator 10.
- the MZ modulator 10 is a semiconductor element having an MZ (Mach-Zehnder) type interference waveguide on a semiconductor substrate 40.
- Matsuno and Zuender type interference waveguides split the light incident on the incident waveguide 44a in the z- axis direction with an MMI (multi-mode interferometer) coupler 41 and introduce it to a pair of arms 42. The excess light is again combined by the MMI force bra 41 and output from the output waveguide 44b.
- An electrode 43 is formed on the arm 42. By applying an electric field or current to the arm 42 through the electrode 43 to change the optical path length of the arm 42, this waveguide is used as an optical modulator.
- the length in the z-axis direction parallel to the optical axis is about 1000 m for the arm 42 force, about 100 ⁇ m for the MMI coupler 41, and the total length of the device is about 2000 ⁇ m.
- FIG. 5 is a cross-sectional view showing the input / output waveguides 44a and 44b in the MZ modulator 10 of FIG. 4 cut along a plane perpendicular to the optical axis direction.
- the width of the MZ modulator 10 is about 250 m, and the thickness of the substrate 40 is about 100 m.
- the light propagates through the waveguide layer 45 sandwiched between the cladding layers 44 and 46.
- the waveguide layer 45 has a width of about 2 m and a thickness of about 0.4 m. 4 and 5 exemplify a high mesa type having the same active layer width and mesa width as the waveguide structure, but the waveguide structure is a low mesa type whose active layer width is wider than the mesa width.
- a high mesa type embedded type in which both sides of the active layer are covered with an insulating material is also possible.
- the width and thickness of the waveguide layer are almost the same as those of the high mesa type, so the positioning tolerance is almost the same.
- the left side is a plan view and the right side is Represents a plan view).
- the high-mesa MZ modulator will be described as an example.
- an active layer 52 and an upper clad layer 53 of the waveguide are grown on the substrate 51 using a MOCVD crystal growth apparatus (FIG. 6 (a)).
- the SiNx film 54 is deposited by vapor deposition, and the waveguide pattern is transferred to the SiNx film 54 using a photoresist and a photomask (FIG. 6 (b)).
- the waveguide layer is formed by etching using the SiNx film 54 as a mask (FIG. 6 (c)).
- the side of the waveguide layer is then buried with an insulating material.
- the SiNx film 54 is removed (FIG. 6 (d)).
- an insulating film of which SiNx film 55 is deposited on the entire surface by evaporation (FIG. 7 (e)).
- the SiNx film 55 where the electrode is to be formed is removed using the photoresist and the photomask, and the electrode 56 is formed using the photoresist and the photomask (FIG. 7 (f)).
- the back surface of the substrate 51 is polished, and an electrode 57 is formed on the back surface of the substrate (FIG. 7 (g)).
- Polishing of the back surface of the substrate is performed in order to fabricate the electrode 57 and form a chip after the device is fabricated.
- the polishing of the back surface of the substrate is an indispensable process. It is difficult to control the thickness of the substrate on the order of several meters, and variations in the height direction of the waveguide inevitably occur.
- the fixing member 8 is used to connect the waveguide of the MZ type modulator 10 and the waveguide of the laser diode 5. Alignment and optical axis alignment.
- a method for manufacturing the optical module of FIG. 1 will be described.
- a single base 3 made of a material such as CuW is prepared, and a submount 35 having a laser diode 5 fixed to the top with solder such as Au-Sn is fixed thereon with solder.
- This solder is the same material as the Au-Sn solder that fixed the laser diode 5 on the submount 35, or a solder having a lower melting point.
- the submount 36 having the photodiode 4 fixed thereon is fixed to the base 3 with a solder such as Au-Sn.
- the solder may be the same as that used in laser diode 5.
- the laser diode 5 is driven, the collimating lens 6 mounted on the fixing member 21 is aligned while observing the transmitted light with a camera, and fixed on the base 3 by YAG welding.
- the fixing member 21 may be formed of a material suitable for laser welding such as an Fe—Ni—Co alloy.
- the laser diode 5 is driven and the isolator 24 is fixed on the base 3 by YAG welding while observing the transmitted light with a camera.
- the laser diode 5 is driven, the condenser lens 7 mounted on the fixing member 22 is aligned, and is fixed on the base 3 by YAG welding.
- the fixing member 22 is formed of a material suitable for YAG welding, such as Fe-N alloy. Further, the position and angle of the MZ type modulator 10 mounted on the submount member 9 sandwiched by the fixing member 8 are adjusted so that the transmitted light intensity is maximized. At the time of adjustment, the positioning arm 16 holding the submount member 9 is moved as shown in FIG. 3 to move the fixing member 8 and the submount member 9 to which the MZ modulator 10 is fixed integrally.
- the submount member 9 is moved in the X direction on the base 3 together with the fixing members 8. Next, in the same manner, the submount member 9 is moved in the y direction while being sandwiched between the standing walls 32. Further, in the same state, the submount member 9 is moved in the z direction, and then the depression angle is determined.
- the metal submount 33 and the fixing member 8 of the submount member 9 and the fixing member 8 and the base 3 are spot YAG welded. Fix it.
- the metal submount 33 and the fixing member 8 are made of a material suitable for laser welding, such as Fe-Ni-Co alloy. This completes the base module for incorporation into the knocker.
- the Peltier module 2 is fixed to the package 1 with Sn-Pb solder, and wiring is performed between the Peltier module 2 and the electrode of the package 1.
- the base 3 of the base module completed previously is fixed on the Peltier module 2 with InPbAg solder. Further, the laser diode 5, the photodiode 4, the MZ type modulator 10 and the thermistor 18 on the nonmetallic submount 34 are wired between the corresponding electrodes of the package 1.
- the lid 14 is welded to seal the knocker.
- the laser diode 5 is driven through the electrode of the package 1, and an optical system in which the condensing lens 12 and the optical fiber 13 held by the ferrule 17 are integrated at the package exit is connected to the laser diode 5. Secure to maximize strength.
- the MZ modulator 10 having a fine optical waveguide can be moved and aligned, the optical coupling efficiency can be improved. Also light module Can improve assembly yield.
- FIG. 8 shows the change in coupling efficiency with respect to the height deviation from the optical axis of the optical waveguide element when the focal length of the condenser lens 7 is 700 ⁇ m. Is shown in ⁇ m, and the coupling efficiency is shown in dB on the vertical axis.
- the optical axis shift occurs by about 200 m due to variations in the thickness of the optical waveguide element, and the coupling efficiency decreases by about 2 dB.
- the fixing position of the optical waveguide element can be adjusted, so that the reduction in coupling efficiency can be almost OdB. That is, the use of the present invention is expected to improve the coupling efficiency by about 1.6 times.
- the optical waveguide element 10 mounted on the submount member 9 is not limited to the MZ type modulator, and any optical waveguide element having an optical waveguide such as a wavelength converter, an optical switch, an AWG, or a ring resonator. Good. For example, if a ring resonator and an FP (Fabry-Perot resonator) type laser diode are combined, a tunable laser module can be formed.
- FP Fabry-Perot resonator
- FIG. 9 and FIG. 10 show perspective views of the optical waveguide element 10 employed in the optical module according to the second embodiment of the present invention, together with the fixing member 8.
- the filling member 19 made of a good thermal conductor material conductive material
- the temperature of the optical waveguide element 10 can be easily adjusted via the fixing member 8.
- the top surface of the base 31 of the fixing member 8 and the bottom surface of the metal submount 33 are preliminarily wettable with respect to the solder to be used, such as Ni / Au plating 20.
- Surface treatment with a new material.
- solder is injected through this surface treatment portion.
- a solder having a melting point higher than that of InPbAg solder for fixing the Peltier module 2 and the base 3 is used, for example, Sn-Pb solder.
- Sn-Pb solder solder having a melting point higher than that of InPbAg solder for fixing the Peltier module 2 and the base 3 is used, for example, Sn-Pb solder.
- the length of the fixing member 8 in the waveguide direction is limited, and a space for solder injection may not be secured. So in this case, for example, as shown in FIG. 10, a part of the standing wall 32 may be cut in the middle, and the surface between them may be surface-treated, and solder may be injected from the surface-treated portion.
- FIGS. 11 (a) and 11 (b) are respectively a cross-sectional view showing an optical waveguide element 10 employed in an optical module according to a third embodiment of the present invention together with a fixing member 8, and a submount.
- 1 is a perspective view of an optical waveguide element 10 including a member 9.
- metal plates (metal submounts) 33 are respectively attached to both side surfaces of a rectangular parallelepiped non-metallic submount 34.
- spot YAG welding is possible between the submount member 9 and the standing wall 32.
- a metal plate suitable for laser welding material: Fe NiCo, etc.
- solder is bonded to the side surface of the submount with solder.
- FIG. 12 is a perspective view showing the submount member 9 and the fixing member 8 in a separated state in order to show a modification of the submount member in the optical module according to the first embodiment of the present invention.
- the protrusion 25 is arranged on the inside of the standing wall 32 so that the submount member 9 can enter. Thereby, the deflection width in the depression direction of the submount member 9 is reduced, and the optical coupling efficiency is improved.
- the optical module and the manufacturing method thereof of the present invention are not limited to the configurations of the above embodiments, but the configurations of the above embodiments. To which various modifications and changes are made within the scope of the present invention.
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Optical Couplings Of Light Guides (AREA)
- Optical Integrated Circuits (AREA)
- Semiconductor Lasers (AREA)
Abstract
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/910,978 US7618201B2 (en) | 2006-03-22 | 2007-03-22 | Optical module |
JP2008506334A JPWO2007108508A1 (ja) | 2006-03-22 | 2007-03-22 | 光モジュール |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006-078227 | 2006-03-22 | ||
JP2006078227 | 2006-03-22 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2007108508A1 true WO2007108508A1 (ja) | 2007-09-27 |
Family
ID=38522534
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2007/055871 WO2007108508A1 (ja) | 2006-03-22 | 2007-03-22 | 光モジュール |
Country Status (3)
Country | Link |
---|---|
US (1) | US7618201B2 (ja) |
JP (1) | JPWO2007108508A1 (ja) |
WO (1) | WO2007108508A1 (ja) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2009146992A (ja) * | 2007-12-12 | 2009-07-02 | Nec Corp | 光モジュール |
JP2012242400A (ja) * | 2011-05-13 | 2012-12-10 | Ntt Electornics Corp | 光モジュール |
JP2013050676A (ja) * | 2011-08-31 | 2013-03-14 | Sumitomo Electric Ind Ltd | 光デバイスの位置決め方法 |
WO2018117251A1 (ja) * | 2016-12-22 | 2018-06-28 | 古河電気工業株式会社 | 半導体レーザモジュールおよび半導体レーザモジュールの製造方法 |
JP2019186328A (ja) * | 2018-04-05 | 2019-10-24 | 三菱電機株式会社 | 半導体モジュールおよびその製造方法 |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2013140258A (ja) * | 2012-01-05 | 2013-07-18 | Ntt Electornics Corp | 光モジュール |
JP2013140259A (ja) * | 2012-01-05 | 2013-07-18 | Ntt Electornics Corp | 平板配置用受光パッケージ、光モジュール及び平板配置用受光パッケージの製造方法 |
WO2013180291A1 (ja) | 2012-05-31 | 2013-12-05 | 古河電気工業株式会社 | 半導体レーザモジュール |
US9291776B2 (en) * | 2013-11-27 | 2016-03-22 | Huawei Technologies Co., Ltd. | Apparatus and method for differential thermal optical switch control |
JP6349792B2 (ja) * | 2014-03-07 | 2018-07-04 | 富士通オプティカルコンポーネンツ株式会社 | 光送信装置 |
JPWO2016117472A1 (ja) * | 2015-01-21 | 2017-08-03 | 三菱電機株式会社 | 光学装置の光軸調芯方法および装置ならびに光学装置の製造方法 |
JP6578976B2 (ja) * | 2016-02-05 | 2019-09-25 | 三菱電機株式会社 | 光モジュール |
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JPS63178201A (ja) * | 1987-01-20 | 1988-07-22 | Toshiba Corp | 光学部品の固定方法 |
JP2001059925A (ja) * | 1999-06-15 | 2001-03-06 | Furukawa Electric Co Ltd:The | 半導体レーザモジュール |
Family Cites Families (4)
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JP3794552B2 (ja) * | 2001-03-09 | 2006-07-05 | 古河電気工業株式会社 | 光モジュール、光送信器及び光モジュールの製造方法 |
US20030012524A1 (en) * | 2001-06-26 | 2003-01-16 | The Furukawa Electric Co., Ltd. | Optical module |
US7137745B2 (en) * | 2003-03-19 | 2006-11-21 | Oki Electric Industry Co., Ltd. | Subassembly and optical module |
JP4067521B2 (ja) * | 2004-10-21 | 2008-03-26 | 富士通株式会社 | 光集積デバイス |
-
2007
- 2007-03-22 WO PCT/JP2007/055871 patent/WO2007108508A1/ja active Application Filing
- 2007-03-22 JP JP2008506334A patent/JPWO2007108508A1/ja active Pending
- 2007-03-22 US US11/910,978 patent/US7618201B2/en not_active Expired - Fee Related
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
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JPS63178201A (ja) * | 1987-01-20 | 1988-07-22 | Toshiba Corp | 光学部品の固定方法 |
JP2001059925A (ja) * | 1999-06-15 | 2001-03-06 | Furukawa Electric Co Ltd:The | 半導体レーザモジュール |
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2009146992A (ja) * | 2007-12-12 | 2009-07-02 | Nec Corp | 光モジュール |
JP2012242400A (ja) * | 2011-05-13 | 2012-12-10 | Ntt Electornics Corp | 光モジュール |
JP2013050676A (ja) * | 2011-08-31 | 2013-03-14 | Sumitomo Electric Ind Ltd | 光デバイスの位置決め方法 |
WO2018117251A1 (ja) * | 2016-12-22 | 2018-06-28 | 古河電気工業株式会社 | 半導体レーザモジュールおよび半導体レーザモジュールの製造方法 |
JPWO2018117251A1 (ja) * | 2016-12-22 | 2019-10-31 | 古河電気工業株式会社 | 半導体レーザモジュールおよび半導体レーザモジュールの製造方法 |
JP7166932B2 (ja) | 2016-12-22 | 2022-11-08 | 古河電気工業株式会社 | 半導体レーザモジュールおよび半導体レーザモジュールの製造方法 |
US11545814B2 (en) | 2016-12-22 | 2023-01-03 | Furukawa Electric Co., Ltd. | Semiconductor laser module and method of manufacturing semiconductor laser module |
JP2019186328A (ja) * | 2018-04-05 | 2019-10-24 | 三菱電機株式会社 | 半導体モジュールおよびその製造方法 |
JP7117883B2 (ja) | 2018-04-05 | 2022-08-15 | 三菱電機株式会社 | 半導体モジュールおよびその製造方法 |
Also Published As
Publication number | Publication date |
---|---|
US7618201B2 (en) | 2009-11-17 |
US20080166098A1 (en) | 2008-07-10 |
JPWO2007108508A1 (ja) | 2009-08-06 |
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