JP2017183474A - 光送信器 - Google Patents
光送信器 Download PDFInfo
- Publication number
- JP2017183474A JP2017183474A JP2016067789A JP2016067789A JP2017183474A JP 2017183474 A JP2017183474 A JP 2017183474A JP 2016067789 A JP2016067789 A JP 2016067789A JP 2016067789 A JP2016067789 A JP 2016067789A JP 2017183474 A JP2017183474 A JP 2017183474A
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- JP
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- Prior art keywords
- optical
- semiconductor laser
- reflectance
- optical transmitter
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Classifications
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- 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
- G02B6/4207—Packages, e.g. shape, construction, internal or external details the coupling comprising intermediate optical elements, e.g. lenses, holograms with optical elements reducing the sensitivity to optical feedback
-
- 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
- G02B6/4215—Packages, e.g. shape, construction, internal or external details the coupling comprising intermediate optical elements, e.g. lenses, holograms the intermediate optical elements being wavelength selective optical elements, e.g. variable wavelength optical modules or wavelength lockers
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/03—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on ceramics or electro-optical crystals, e.g. exhibiting Pockels effect or Kerr effect
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- 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
- H01S5/005—Optical components external to the laser cavity, specially adapted therefor, e.g. for homogenisation or merging of the beams or for manipulating laser pulses, e.g. pulse shaping
- H01S5/0085—Optical components external to the laser cavity, specially adapted therefor, e.g. for homogenisation or merging of the beams or for manipulating laser pulses, e.g. pulse shaping for modulating the output, i.e. the laser beam is modulated outside the laser cavity
-
- 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
- H01S5/02—Structural details or components not essential to laser action
- H01S5/0206—Substrates, e.g. growth, shape, material, removal or bonding
- H01S5/021—Silicon based substrates
-
- 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
- H01S5/02—Structural details or components not essential to laser action
- H01S5/028—Coatings ; Treatment of the laser facets, e.g. etching, passivation layers or reflecting layers
- H01S5/0287—Facet reflectivity
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/50—Transmitters
- H04B10/501—Structural aspects
- H04B10/503—Laser transmitters
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/60—Receivers
- H04B10/61—Coherent receivers
-
- 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
- G02B6/10—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type
- G02B6/12—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type of the integrated circuit kind
- G02B2006/12133—Functions
- G02B2006/12142—Modulator
-
- 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
- G02B6/10—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type
- G02B6/12—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type of the integrated circuit kind
- G02B6/12004—Combinations of two or more optical elements
-
- 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
- G02B6/30—Optical coupling means for use between fibre and thin-film device
-
- 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
- G02B6/34—Optical coupling means utilising prism or grating
Landscapes
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Nonlinear Science (AREA)
- Crystallography & Structural Chemistry (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Semiconductor Lasers (AREA)
- Optical Modulation, Optical Deflection, Nonlinear Optics, Optical Demodulation, Optical Logic Elements (AREA)
Abstract
Description
120 シリコンフォトニクス回路
121 シリコン基板
122、123 光導波路
124 光変調器
124a 光導波路
124b 金属薄膜電極
125 グレーティング結合器
125a 光導波路
125b 凹凸構造
126 接続電極
127 ドライバIC
128 スポットサイズ変換器
140 半導体レーザ
142 誘電体膜
160 屈折率調整剤
200 光受信器
300 伝送路
400 光伝送システム
Claims (6)
- 半導体レーザと、
前記半導体レーザからの出力光が入力される少なくとも1つの光機能素子と、
を備える光送信器であって、
前記光送信器から出力される光信号を受信する光受信器における信号対雑音比は、前記少なくとも1つの光機能素子からの反射戻り光が前記半導体レーザに再入射されることに起因して生じる第1寄与成分と、前記光受信器へ入力される光信号の強度に依存せずに生じる第2寄与成分とを含み、
前記半導体レーザの前方端面の反射率は、前記第1寄与成分と前記第2寄与成分による前記信号対雑音比を前記反射率の変化に対して最大化する反射率を含む所定範囲の値に設定されている、
ことを特徴とする光送信器。 - 前記半導体レーザの利得領域は量子ドットで構成されていることを特徴とする請求項1に記載の光送信器。
- 前記半導体レーザの前方端面の反射率は、2〜25%であることを特徴とする請求項1又は2に記載の光送信器。
- 前記半導体レーザに再入射された前記反射戻り光の光量は1より小さいことを特徴とする請求項1から3のいずれか1項に記載の光送信器。
- 前記半導体レーザの前方端面と前記少なくとも1つの光機能素子との間に屈折率調整剤を備えることを特徴とする請求項1から4のいずれか1項に記載の光送信器。
- 前記半導体レーザと前記少なくとも1つの光機能素子は、シリコン基板上に集積されていることを特徴とする請求項1から5のいずれか1項に記載の光送信器。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2016067789A JP2017183474A (ja) | 2016-03-30 | 2016-03-30 | 光送信器 |
US16/087,961 US20200235547A1 (en) | 2016-03-30 | 2017-03-29 | Optical transmitter |
PCT/JP2017/012878 WO2017170682A1 (ja) | 2016-03-30 | 2017-03-29 | 光送信器 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2016067789A JP2017183474A (ja) | 2016-03-30 | 2016-03-30 | 光送信器 |
Publications (1)
Publication Number | Publication Date |
---|---|
JP2017183474A true JP2017183474A (ja) | 2017-10-05 |
Family
ID=59965848
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2016067789A Pending JP2017183474A (ja) | 2016-03-30 | 2016-03-30 | 光送信器 |
Country Status (3)
Country | Link |
---|---|
US (1) | US20200235547A1 (ja) |
JP (1) | JP2017183474A (ja) |
WO (1) | WO2017170682A1 (ja) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2019087587A (ja) * | 2017-11-02 | 2019-06-06 | 富士通株式会社 | 半導体発光素子及び光デバイス |
JP2019121691A (ja) * | 2018-01-05 | 2019-07-22 | 富士通株式会社 | 集積レーザ光源、及びこれを用いた光トランシーバ |
CN114721145A (zh) * | 2022-01-20 | 2022-07-08 | 苏州科技大学 | 一种用于提高水平激光通信spgd算法校正精度的方法 |
Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH11149019A (ja) * | 1997-06-25 | 1999-06-02 | Matsushita Electric Ind Co Ltd | 光送受信装置及びその製造方法並びに光半導体モジュール |
JP2004165651A (ja) * | 2002-10-23 | 2004-06-10 | Matsushita Electric Ind Co Ltd | コヒーレント光源とその駆動方法 |
JP2005136158A (ja) * | 2003-10-30 | 2005-05-26 | Matsushita Electric Ind Co Ltd | 光送信装置 |
JP2005228943A (ja) * | 2004-02-13 | 2005-08-25 | Opnext Japan Inc | 半導体光素子及びそれを用いた光通信用モジュール |
JP2006098763A (ja) * | 2004-09-29 | 2006-04-13 | Toshiba Components Co Ltd | 光受信モジュール及び光送信モジュール |
JP2006154321A (ja) * | 2004-11-30 | 2006-06-15 | Sumitomo Electric Ind Ltd | 光送信モジュール |
JP2007103576A (ja) * | 2005-10-03 | 2007-04-19 | Furukawa Electric Co Ltd:The | 面発光レーザモジュール |
JP2007288167A (ja) * | 2006-03-24 | 2007-11-01 | Mitsubishi Electric Corp | 半導体レーザおよび半導体レーザモジュール |
JP2014212165A (ja) * | 2013-04-17 | 2014-11-13 | 富士通株式会社 | 光半導体装置 |
-
2016
- 2016-03-30 JP JP2016067789A patent/JP2017183474A/ja active Pending
-
2017
- 2017-03-29 WO PCT/JP2017/012878 patent/WO2017170682A1/ja active Application Filing
- 2017-03-29 US US16/087,961 patent/US20200235547A1/en not_active Abandoned
Patent Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH11149019A (ja) * | 1997-06-25 | 1999-06-02 | Matsushita Electric Ind Co Ltd | 光送受信装置及びその製造方法並びに光半導体モジュール |
JP2004165651A (ja) * | 2002-10-23 | 2004-06-10 | Matsushita Electric Ind Co Ltd | コヒーレント光源とその駆動方法 |
JP2005136158A (ja) * | 2003-10-30 | 2005-05-26 | Matsushita Electric Ind Co Ltd | 光送信装置 |
JP2005228943A (ja) * | 2004-02-13 | 2005-08-25 | Opnext Japan Inc | 半導体光素子及びそれを用いた光通信用モジュール |
JP2006098763A (ja) * | 2004-09-29 | 2006-04-13 | Toshiba Components Co Ltd | 光受信モジュール及び光送信モジュール |
JP2006154321A (ja) * | 2004-11-30 | 2006-06-15 | Sumitomo Electric Ind Ltd | 光送信モジュール |
JP2007103576A (ja) * | 2005-10-03 | 2007-04-19 | Furukawa Electric Co Ltd:The | 面発光レーザモジュール |
JP2007288167A (ja) * | 2006-03-24 | 2007-11-01 | Mitsubishi Electric Corp | 半導体レーザおよび半導体レーザモジュール |
JP2014212165A (ja) * | 2013-04-17 | 2014-11-13 | 富士通株式会社 | 光半導体装置 |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2019087587A (ja) * | 2017-11-02 | 2019-06-06 | 富士通株式会社 | 半導体発光素子及び光デバイス |
JP2019121691A (ja) * | 2018-01-05 | 2019-07-22 | 富士通株式会社 | 集積レーザ光源、及びこれを用いた光トランシーバ |
CN114721145A (zh) * | 2022-01-20 | 2022-07-08 | 苏州科技大学 | 一种用于提高水平激光通信spgd算法校正精度的方法 |
CN114721145B (zh) * | 2022-01-20 | 2023-10-24 | 苏州科技大学 | 一种用于提高水平激光通信spgd算法校正精度的方法 |
Also Published As
Publication number | Publication date |
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US20200235547A1 (en) | 2020-07-23 |
WO2017170682A1 (ja) | 2017-10-05 |
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