JPS63501385A - 光素子と光導波路の結合装置 - Google Patents
光素子と光導波路の結合装置Info
- Publication number
- JPS63501385A JPS63501385A JP61505474A JP50547486A JPS63501385A JP S63501385 A JPS63501385 A JP S63501385A JP 61505474 A JP61505474 A JP 61505474A JP 50547486 A JP50547486 A JP 50547486A JP S63501385 A JPS63501385 A JP S63501385A
- Authority
- JP
- Japan
- Prior art keywords
- optical
- waveguide
- optical element
- substrate
- positioning
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 230000003287 optical effect Effects 0.000 title claims abstract description 58
- 230000008878 coupling Effects 0.000 title 1
- 238000010168 coupling process Methods 0.000 title 1
- 238000005859 coupling reaction Methods 0.000 title 1
- 239000000758 substrate Substances 0.000 claims abstract description 30
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 9
- 239000010703 silicon Substances 0.000 claims abstract description 9
- 238000000034 method Methods 0.000 claims description 20
- 239000013307 optical fiber Substances 0.000 claims description 9
- 238000005530 etching Methods 0.000 claims description 7
- 239000000835 fiber Substances 0.000 claims description 7
- 239000013078 crystal Substances 0.000 claims description 5
- 238000010884 ion-beam technique Methods 0.000 claims description 2
- 238000000465 moulding Methods 0.000 claims 4
- IBXOPEGTOZQGQO-UHFFFAOYSA-N [Li].[Nb] Chemical compound [Li].[Nb] IBXOPEGTOZQGQO-UHFFFAOYSA-N 0.000 claims 1
- 239000000463 material Substances 0.000 claims 1
- 238000003801 milling Methods 0.000 claims 1
- 238000001020 plasma etching Methods 0.000 claims 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 abstract description 8
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 229910052744 lithium Inorganic materials 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 229910021421 monocrystalline silicon Inorganic materials 0.000 description 2
- 238000000992 sputter etching Methods 0.000 description 2
- 230000002457 bidirectional effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229910003460 diamond Inorganic materials 0.000 description 1
- 239000010432 diamond Substances 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 230000005669 field effect Effects 0.000 description 1
- 230000000873 masking effect Effects 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 229910052758 niobium Inorganic materials 0.000 description 1
- 239000010955 niobium Substances 0.000 description 1
- GUCVJGMIXFAOAE-UHFFFAOYSA-N niobium atom Chemical compound [Nb] GUCVJGMIXFAOAE-UHFFFAOYSA-N 0.000 description 1
- 150000002822 niobium compounds Chemical class 0.000 description 1
- 238000000206 photolithography Methods 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 238000005476 soldering Methods 0.000 description 1
- 230000003595 spectral effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S5/00—Semiconductor lasers
- H01S5/10—Construction or shape of the optical resonator, e.g. extended or external cavity, coupled cavities, bent-guide, varying width, thickness or composition of the active region
- H01S5/14—External cavity lasers
- H01S5/141—External cavity lasers using a wavelength selective device, e.g. a grating or etalon
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
- G01D5/26—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light
- G01D5/266—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light by interferometric means
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
- G01J3/12—Generating the spectrum; Monochromators
- G01J3/26—Generating the spectrum; Monochromators using multiple reflection, e.g. Fabry-Perot interferometer, variable interference filters
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B26/00—Optical devices or arrangements for the control of light using movable or deformable optical elements
- G02B26/001—Optical devices or arrangements for the control of light using movable or deformable optical elements based on interference in an adjustable optical cavity
-
- 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
- G02B6/26—Optical coupling means
- G02B6/28—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals
- G02B6/2804—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals forming multipart couplers without wavelength selective elements, e.g. "T" couplers, star couplers
- G02B6/2817—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals forming multipart couplers without wavelength selective elements, e.g. "T" couplers, star couplers using reflective elements to split or combine optical signals
-
- 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
- G02B6/26—Optical coupling means
- G02B6/32—Optical coupling means having lens focusing means positioned between opposed fibre ends
-
- 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
- G02B6/36—Mechanical coupling means
- G02B6/38—Mechanical coupling means having fibre to fibre mating means
- G02B6/3801—Permanent connections, i.e. wherein fibres are kept aligned by mechanical means
- G02B6/3803—Adjustment or alignment devices for alignment prior to splicing
-
- 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
- G02B6/4228—Passive alignment, i.e. without a detection of the degree of coupling or the position of the elements
- G02B6/423—Passive alignment, i.e. without a detection of the degree of coupling or the position of the elements using guiding surfaces for the alignment
-
- 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
- G02B6/26—Optical coupling means
- G02B6/28—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals
- G02B6/293—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals with wavelength selective means
- G02B6/29346—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals with wavelength selective means operating by wave or beam interference
- G02B6/29358—Multiple beam interferometer external to a light guide, e.g. Fabry-Pérot, etalon, VIPA plate, OTDL plate, continuous interferometer, parallel plate resonator
-
- 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
- G02B6/26—Optical coupling means
- G02B6/35—Optical coupling means having switching means
- G02B6/351—Optical coupling means having switching means involving stationary waveguides with moving interposed optical elements
- G02B6/3512—Optical coupling means having switching means involving stationary waveguides with moving interposed optical elements the optical element being reflective, e.g. mirror
- G02B6/3516—Optical coupling means having switching means involving stationary waveguides with moving interposed optical elements the optical element being reflective, e.g. mirror the reflective optical element moving along the beam path, e.g. controllable diffractive effects using multiple micromirrors within the beam
-
- 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
- G02B6/26—Optical coupling means
- G02B6/35—Optical coupling means having switching means
- G02B6/3564—Mechanical details of the actuation mechanism associated with the moving element or mounting mechanism details
- G02B6/3568—Mechanical details of the actuation mechanism associated with the moving element or mounting mechanism details characterised by the actuating force
- G02B6/357—Electrostatic force
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
- H01S3/10—Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating
- H01S3/105—Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating by controlling the mutual position or the reflecting properties of the reflectors of the cavity, e.g. by controlling the cavity length
- H01S3/1055—Controlling the intensity, frequency, phase, polarisation or direction of the emitted radiation, e.g. switching, gating, modulating or demodulating by controlling the mutual position or the reflecting properties of the reflectors of the cavity, e.g. by controlling the cavity length one of the reflectors being constituted by a diffraction grating
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S359/00—Optical: systems and elements
- Y10S359/90—Methods
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Electromagnetism (AREA)
- Mechanical Light Control Or Optical Switches (AREA)
- Optical Couplings Of Light Guides (AREA)
- Spectrometry And Color Measurement (AREA)
- Mechanical Optical Scanning Systems (AREA)
- Optical Integrated Circuits (AREA)
- Instruments For Measurement Of Length By Optical Means (AREA)
- Glass Compositions (AREA)
- Led Device Packages (AREA)
- Adhesives Or Adhesive Processes (AREA)
- Micromachines (AREA)
- Analysing Materials By The Use Of Radiation (AREA)
- Lasers (AREA)
- Radiation-Therapy Devices (AREA)
- Length Measuring Devices By Optical Means (AREA)
- Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
- Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
- Switches With Compound Operations (AREA)
- Signal Processing For Digital Recording And Reproducing (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
- Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
- Headphones And Earphones (AREA)
- Fluid-Damping Devices (AREA)
- Printers Or Recording Devices Using Electromagnetic And Radiation Means (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるため要約のデータは記録されません。
Description
【発明の詳細な説明】
光素子と導波路きの配置方法
本発明は、一つの光素子と少なくとも一つの光導波路とを軸合わせさせて配置す
る方法に関する発明である。
光通信の分野における最近の進歩は、単一モード光ファイバのような単一モード
導波路の用途を広めている。この場合には、レーザーチップまたは光センサーの
ような光素子を光導波路に正確に軸合わせさせて配置させる方法を工夫すること
が特に重要である。
この発明の一面は、光素子と少なくとも一つの先導波路を互いに軸合わせさせる
手段とを提供するもので、その構成は、a) 共通基板内で少なくとも一つの長
手の導波路と位置設定構造を成形すること、
b) 位置設定構造内で光素子を取付けることを含み、使用状態において光ビー
ムが、光素子と導波路との間に連続するような位置設定構造および導波路の適切
な位置設定を与えるものである。
位置設定構造を使用することで、素子と光導波路とを正確に軸合わせさせること
が可能になる。その理由として導波路と同じ基板内での構造によって、素子は固
定されているので、位置設定構造が、イオンエツチング技術を使用することによ
り、基板内で正確に作られることになる。基板が単結晶構造であることは、特に
好ましい。
たとえば、シリコンの単結晶は、多数の理由により、特に好ましい基板である。
その理由の一つはシリコンは、純度および完成度について最も厳しい標準につい
て、大形の基板を供給できる。さらに別の理由は、表面と表面下の外面的形態を
定めるフォトリソグラフィ技術あるいはエツチング技術が、高度に発達している
からである。
さらに別の理由は結晶内の結晶軸間に存在する異方性エツチング速度がきわめて
大きいことである。なおその上に、シリコンはその結晶体を電子−光変調器のよ
うな光−電子部分品装置に対し、使用するとき、とりわけ有用な電気性質、機械
的性質または光学的性質を備えているからである。
本発明は、光素子を他の光装置と同一基板内に取付けることをも可能にする。
特に有用な他の基板は、変調器と他の電子−光変換素子に対する基板として共通
に使用される、リチウムとニオブの化合物である。
リチウムとニオブの化合物の場合は、イオンエツチング技術では通常好ましくな
く、位置設定構造は、イオンビームミIJング方法を使用することにより成形さ
れ得る。
本発明は、チップのきわめて小さい発光点から光線放射のあるレーザーチップと
の使用する場合に特に好ましい。この発光点を光導波路に正確に軸合わせするこ
とは、かなり難しい。
その手段は、上記構成に加え、光素子からの光出力を少なくとも一つの導波路と
の間に結合させるためには、少なくとも一つまたはおのおのの導波路の位置を正
確に整えること、最大能力結合に適した配置を決めるために、素子と少なくとも
一つの導波路との間の結合された光パワーを監視することを含む。
光素子は、たとえば典型的なハンダによって、位置設定構造内で取付けられるだ
ろう。
少なくとも一つの光導波路が、基板の屈折率を変えるため、その基板に好ましい
物質を拡散させることにより、または、基板内で実質的にV形溝を成形し溝内で
光ファイバを取付けることにより成形されるだろう。
便利なことに、前者の場合において、位置設定構造が、長手の光導波路の成形に
続いて成形され、それによって、位置設定構造が、長手の導波路を二つの補助導
波路へ分割する。後者の場合においては、位置設定構造が、V形溝の構造につづ
いて成形される。それによって、位置設定構造が、■形溝を二つの補助V形溝へ
分割し、溝のそれぞれ1つずつに光ファイバが、取付けられる。
これらの手段のいずれに関しても、二つの光導波路は、正確に軸合わせされ製造
され、光素子が、レーザーチップを含む場合には、レーザーチップの隣接した対
向面に終端される。これは、多くの理由に対し有用である。すなわち第一に、両
面への接近は、レーザーチップのスペクトル反応を向上させることを助長する。
第二に、単なるレーザーチップは、光通信システム内の送信および受信に対し、
使用されることが可能であり、第三に、レーザーチップの監視が実行され得る。
よって、互いに軸合わせして位置している光素子と少なくとも一つの光導波路を
含む。
むしろ、位置設定構造は、実質的にV形横断面をもち、■の夾角は、光素子の表
面を指示する角度に実質的に等しい。
これは、光素子が、レーザーチップまたは、光検出チップを含む場合に特に有用
である。なぜなら、これらのチップは、典型的に、チップを位置設定構造内で正
確に位置させる一対の曲げられた支持表面を持つからである。
他の配置において、二つの先導波路が、その導波路の隣接末端が横に分かれ出る
ようにし与えられ、そこで、局在構造が、構造内に位置した光素子が光学的に両
溝波路に結合するように、導波路の隣接末端を横切る。
本発明に関するいくつかの実施例を、次の図を参照して説明する。
第1図は、第一の例の分解構造斜視図であり、第2図は、第1図に示された例の
側面図であり、第3図と第4図は、第2図に類似した構造の別の例の側断面図で
あり、第5図は、二番目の例の斜視図であり、第6図は、第5図においてへ方面
から見た図である。
第1図に示されている例は、光ファイバ30を受ける長手のV形溝29を成形し
た単結晶シリコンチップによる基板28を備える。三角プリズム形状をもつ凹部
31は、異方性エツチング技術を使って、溝29の中間部分に基板にエツチング
される。凹部31の深さは、エツチングされる基板28の表面域を定める伝統的
な手法である選択エツチングによる。その深さは、凹部31の対向面32.33
の間の夾角が正確に識別できるように選択される。検出チップ36は、その側壁
34.35の間に矛盾のない夾角を生み出すよう組み立てることが必要とされ、
これは、必要な角度でシリコン薄片をチップに切り分けるダイヤモンド工具を使
用することにより達成される。その深さは、単にチップ36を凹部31へさし込
むことによって、光ファイバ30に対して、わずか50厘であるチップ3Gの感
光部に整合できる程度である。前に述べたように、チップ36と光ファイバ30
の間の軸合わせは、自らの性質で制限されたへりに対し使用される表面窓によっ
て定められた、■形溝29と凹部31の適切な深さによってなされる。
そのうえ、溝29と凹部31との間の正確な軸合わせは、異なる窓サイズを使用
することで、互いにそれらをエツチングすることによって達成される。
チップ36およびファイバ30は、その表面に適当な金属メッキを施すことによ
って、シリコン基板28に付着される。チップ36は典型的には500即の正方
形でその厚みが200μmである。
第2図は、凹部31の端面37の構造を結合および低い接触表面がわかるように
図解する。傾斜した検出面によって生じるどの受光エネルギの損失も、チップ3
6上の無反射コート (反射防止コート)とファイバ30の末端に設けたレンズ
の使用によって最小にされる。
もし必要ならば、第3図に示すように、鏡対称の基板38を設けて、チップ36
をクランプするように基板28上に取つけることができる。
この構造ではおのおの基板28および38内の溝29は、隣接する外回路へ電気
接続用の経路を与えるように使用されるが、しかし、基板28.38双方かまた
は一方の表面上に金属通路を含むようにする他の配列も可能である。
第3図に示されている原理を拡張すると、溝とファ・イバの平行配置を利用する
ことにより、第4図に示すような並列的な平衡光ダイオード配置となる。第4図
において、第二の検出器36′は、面37に対向する凹部31の表面に結合し、
おのおのの検出器36.36′は、上部の基板38内の相補的凹部39.40に
おいて受け止められる。加えて、第二の光ファイバ30′ は、基板28.38
の間において検出器36′方向へ伸びている。
初段の増幅器がバイポーラシリコントランジスタまたは電界効果トランジスタで
ある光受信機においては、連続する回路が、光ダイオード36に隣接するシリコ
ンチップ28に拡散成形することができる。
光ダイオードによる受光回路ではなく、レーザーダイオードによる光放射回路を
設けるには、チップの二つの対向側に位置する領域がきわめて小さく、面の一つ
から約1.5ミクロンに位置されている。
レーザーダイオード取付は時の主要な必要条件の一つは、光放射領域の中央線が
、隣接した光ファイバの軸に軸合わせされていることである。第5図と第6図が
、この取付配置を達成する別の組立て構造を模式化して示している。この場合に
は、二つの■形溝41および42が、シリコン基板43にエツチングされ、二つ
の溝は平行で、互いに埋めあわせる構造となっている。レーザーダイオードチッ
プ46は、溝42の傾斜側44へ結合され、光ファイバ45は、溝41に位置し
ている。
前のように、溝41と42の深さは、水平マスク工程により定められ、加えて、
ファイバ直径と中心集中性が正確に定義される。このようにして軸合わせの正確
さは、チップ46の幅によって決定される。光ファイバ45の末端レンズはやや
傾斜され、レーザーとファイバとの間に適当な間隔が得られるように先細に成形
される。
国際調査報告
+−+−”v11epmlA#I”call@ell@、 PCT/GB 13
6100626−2−ANNEX To THE INTERNATIONAL
5EARCHR三PORT 0NINTERNATIONAL APPLIC
ATION No、 PCT/CB 86100626 (SA 148B4)
DE−A−330766906109/84 Non@
Claims (16)
- 1.光素子と少なくとも一つの光導波路を互いに軸を合わせて位置させる方法に おいて、 a)共通基板内で、少なくとも一つの長手の導波路と位置設定構造を成形するこ と、 b)この位置設定構造内に光素子を取付けることを含み、上記位置設定構造は使 用状態において光ビームが上記光素子と導波路との間に連続する適切な配置であ ることを特徴とする光素子と光導波路との配置方法。
- 2.基板が単結晶であり、この基板を異方性エッチングして上記位置設定構造を 成形するステップを含む請求の範囲第1項記載の方法。
- 3.少なくとも一つの導波路が、好ましい物質を基板に拡散することにより成形 される請求の範囲第1項または第2項に記載の方法。
- 4.位置設定構造は、長手の光導波路を成形した後に成形され、それによって位 置設定構造は長手の導波路を二つの補助導波路に分割する請求の範囲第3項に記 載の方法。
- 5.少なくとも一つの導波路が、基板内で実質的にV形溝を成形し、溝内で光フ ァイバを取付けることにより成形される請求の範囲第1項または第2項に記載の 方法。
- 6.V形溝の成形の後に位置設定構造が成形され、それによって、位置設定構造 はV形溝を二つの補助V形溝に分割し、光ファイバを溝の適する位置に取付ける 請求の範囲第5項に記載の方法。
- 7.少なくとも一つの溝は、基板をイオンビームミリングまたは反応性イオンエ ッチングによって成形される請求の範囲第5項または第6項記載の方法。
- 8.光素子と少なくとも一つの光導波路を互いに軸を合わせて位置させる方法に おいて、 位置設定構造が、上記光導波路の軸に対してオフセットを与える光素子と光導波 路との配置方法。
- 9.前記各請求項のいずれかに記載の方法によって成形され、互いに軸合わせさ れて配置された光素子と少なくとも一つの導波路とを含む構造の光装置。
- 10.基板は、リチウムニオブ化合物またはシリコンを含む請求の範囲第9項に 記載の装置。
- 11.光素子が、レーザーチップまたは光受光素子である請求の範囲第9項また は第10項に記載の装置。
- 12.位置設定構造が実質的にV形横断面をもち、このV形横断面の夾角は実質 的に光素子の表面を指示する角度に等しい請求の範囲第9項ないし第11項のい ずれかに記載の装置。
- 13.位置設定構造が凹んだ三角柱の構造であり、光素子がこの構造の表面に結 合する請求の範囲第12項に記載の装置。
- 14.一対の光導波路が、位置設定構造の反対側から伸び、それぞれの光素子が 、この構造の対向面に結合する請求の範囲第9項ないし第13項のいずれかに記 載の装置。
- 15.二つの光導波路が、横に分かれ出ている導波路の末端に隣接し、位置設定 構造が、その構造内に配置する光素子が光学的に両導波路に連続するように導波 路の隣接末端を横切る請求の範囲第9項ないし第14項のいずれかに記載の装置 。
- 16.位置設定構造が、光導波路軸に関して横断方向のオフセットを与える光装 置。
Applications Claiming Priority (12)
Application Number | Priority Date | Filing Date | Title |
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GB8525462 | 1985-10-16 | ||
GB858525460A GB8525460D0 (en) | 1985-10-16 | 1985-10-16 | Movable member mounting |
GB8525460 | 1985-10-16 | ||
GB8525461 | 1985-10-16 | ||
GB858525462A GB8525462D0 (en) | 1985-10-16 | 1985-10-16 | Radiation deflector assembly |
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GB8525459 | 1985-10-16 | ||
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JPS63501385A true JPS63501385A (ja) | 1988-05-26 |
JP2514343B2 JP2514343B2 (ja) | 1996-07-10 |
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ID=27546918
Family Applications (5)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP61505472A Expired - Lifetime JPH077149B2 (ja) | 1985-10-16 | 1986-10-16 | 放射偏向器アセンブリ |
JP61505411A Expired - Fee Related JPH0690329B2 (ja) | 1985-10-16 | 1986-10-16 | ファブリペロ−干渉計 |
JP61505413A Expired - Lifetime JPH0769520B2 (ja) | 1985-10-16 | 1986-10-16 | 可動部材の取付構造 |
JP61505474A Expired - Lifetime JP2514343B2 (ja) | 1985-10-16 | 1986-10-16 | 光素子と光導波路の結合装置 |
JP61505412A Expired - Lifetime JPH0827432B2 (ja) | 1985-10-16 | 1986-10-16 | 波長選択素子 |
Family Applications Before (3)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP61505472A Expired - Lifetime JPH077149B2 (ja) | 1985-10-16 | 1986-10-16 | 放射偏向器アセンブリ |
JP61505411A Expired - Fee Related JPH0690329B2 (ja) | 1985-10-16 | 1986-10-16 | ファブリペロ−干渉計 |
JP61505413A Expired - Lifetime JPH0769520B2 (ja) | 1985-10-16 | 1986-10-16 | 可動部材の取付構造 |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP61505412A Expired - Lifetime JPH0827432B2 (ja) | 1985-10-16 | 1986-10-16 | 波長選択素子 |
Country Status (9)
Country | Link |
---|---|
US (7) | US4825262A (ja) |
EP (6) | EP0219356B1 (ja) |
JP (5) | JPH077149B2 (ja) |
AT (6) | ATE49064T1 (ja) |
DE (6) | DE3667335D1 (ja) |
ES (3) | ES2012346B3 (ja) |
GR (3) | GR3000242T3 (ja) |
SG (1) | SG892G (ja) |
WO (6) | WO1987002474A1 (ja) |
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- 1986-10-16 EP EP86308048A patent/EP0219357B1/en not_active Expired
- 1986-10-16 JP JP61505413A patent/JPH0769520B2/ja not_active Expired - Lifetime
- 1986-10-16 EP EP86308045A patent/EP0226296B1/en not_active Expired - Lifetime
- 1986-10-16 DE DE8686308049T patent/DE3677881D1/de not_active Expired - Fee Related
- 1986-10-16 AT AT86308047T patent/ATE48480T1/de not_active IP Right Cessation
- 1986-10-16 JP JP61505474A patent/JP2514343B2/ja not_active Expired - Lifetime
- 1986-10-16 DE DE8686308045T patent/DE3687063T2/de not_active Expired - Fee Related
- 1986-10-16 WO PCT/GB1986/000627 patent/WO1987002518A1/en unknown
- 1986-10-16 WO PCT/GB1986/000629 patent/WO1987002476A1/en unknown
- 1986-10-16 AT AT86308049T patent/ATE61487T1/de active
- 1986-10-16 DE DE8686308048T patent/DE3667864D1/de not_active Expired - Fee Related
- 1986-10-16 US US07/080,469 patent/US4871244A/en not_active Expired - Lifetime
- 1986-10-16 JP JP61505412A patent/JPH0827432B2/ja not_active Expired - Lifetime
- 1986-10-16 AT AT86308045T patent/ATE82076T1/de active
- 1986-10-16 ES ES86308048T patent/ES2011773B3/es not_active Expired - Lifetime
- 1986-10-16 WO PCT/GB1986/000628 patent/WO1987002472A1/en unknown
- 1986-10-16 AT AT86308046T patent/ATE100245T1/de not_active IP Right Cessation
- 1986-10-16 EP EP86308049A patent/EP0219358B1/en not_active Expired - Lifetime
-
1989
- 1989-01-30 US US07/303,275 patent/US4896936A/en not_active Expired - Lifetime
- 1989-12-07 GR GR89400264T patent/GR3000242T3/el unknown
- 1989-12-28 GR GR89400280T patent/GR3000264T3/el unknown
-
1990
- 1990-03-08 GR GR90400119T patent/GR3000376T3/el unknown
-
1992
- 1992-01-07 SG SG8/92A patent/SG892G/en unknown
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS54150993A (en) * | 1978-05-18 | 1979-11-27 | Thomson Csf | Semiconductor laser |
JPS57119314A (en) * | 1981-01-16 | 1982-07-24 | Omron Tateisi Electronics Co | Connecting method between optical fiber and optical waveguide |
JPS57172309A (en) * | 1981-04-16 | 1982-10-23 | Omron Tateisi Electronics Co | Coupling method of optical fiber and optical waveguide |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2009003096A (ja) * | 2007-06-20 | 2009-01-08 | Sumitomo Bakelite Co Ltd | 光導波路モジュール、光導波路モジュールの製造方法 |
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