JPWO2016136183A1 - Soa集積ea−dfbレーザ及びその駆動方法 - Google Patents
Soa集積ea−dfbレーザ及びその駆動方法 Download PDFInfo
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Abstract
Description
PDFB=(IDFB−Ith)×ηdDFB
ΔPDFB=ΔIDFB×ηdDFB
表1を用いて、本発明の実施例1に係るSOA集積EA−DFBレーザを説明する。表1は、EA−DFBレーザの駆動電流を80mAとし、SOA集積EA−DFBレーザにおいてはDFBレーザ部12への注入電流IDFBを60mAとし、SOA長LSOAは50μmとし、動作温度は45℃とし、SOA部13への注入電流ISOAを10mA又は25mAで駆動した場合のEA−DFBレーザ及びSOA集積EA−DFBレーザの特性を示している。表1において、Pavgは光強度を示し、DERは動的消光比を示し、OMAは光変調強度を示し、f3dBは3dB帯域のカットオフ周波数を示し、Pは消費電力を示す。
図9を用いて、本発明の実施例2に係るSOA集積EA−DFBレーザを説明する。図9には、DFBレーザ部11と、DFBレーザ部11からの出力光を入力するEA変調器部12と、EA変調器部12において変調された出力された変調出力光を入力して増幅するSOA部13とが同一基板上にモノリシック集積されたSOA集積EA−DFBレーザが示されている。図9に示されるように、DFBレーザ部11及びSOA部13は、同一の制御端子14を用いて制御される。本実施例に係るSOA集積EA−DFBレーザの作製工程は、例えば特許文献1に示されている。
Claims (8)
- DFBレーザ部と、前記DFBレーザ部の後段に設けられたEA変調器部と、前記EA変調器部の後段に設けられたSOA部とが同一基板上にモノリシック集積されたSOA集積EA−DFBレーザの駆動方法であって、
EA−DFBレーザを光送信モジュールに搭載した場合に許容される前記EA−DFBレーザのDFBレーザ部への最大注入電流から削減量ΔIDFBを削減することによって前記SOA集積EA−DFBレーザのDFBレーザ部で削減できた消費電力と前記SOA集積EA−DFBレーザのEA変調器部で削減できた消費電力との合計分を超えない消費電力の範囲内で前記SOA部に電流ISOAを注入することを特徴とする駆動方法。 - 前記SOA部の光導波方向に関する長さをLSOAとすると、前記SOA部にISOA=115[mA/mm]×LSOA[mm]+10[mA]±ΔIDFB/2[mA]の範囲内で電流を注入して駆動することを特徴とする請求項1に記載の駆動方法。
- 前記SOA集積EA−DFBレーザのDFBレーザ部及びSOA部は同一の制御端子から電流を注入され、
ISOA=115[mA/mm]×LSOA[mm]+10[mA]±ΔIDFB/2[mA]を満たすように前記SOA集積EA−DFBレーザのDFBレーザ部及びSOA部の光導波方向に関する長さが設計されていることを特徴とする請求項1に記載の駆動方法。 - 前記SOA部の光導波方向に関する長さは、50μm以上150μm以下であることを特徴とする請求項1に記載の駆動方法。
- DFBレーザ部とEA変調器部とを含むEA−DFBレーザの出射端にSOA部が集積されたSOA集積EA−DFBレーザであって、
EA−DFBレーザを光送信モジュールに搭載した場合に許容される前記EA−DFBレーザのDFBレーザ部への最大注入電流から削減量ΔIDFBを削減することによって前記SOA集積EA−DFBレーザのDFBレーザ部で削減できた消費電力と前記SOA集積EA−DFBレーザのEA変調器部で削減できた消費電力との合計分を超えない消費電力の範囲内で前記SOA部に電流ISOAが注入されることを特徴とするSOA集積EA−DFBレーザ。 - 前記SOA部の光導波方向に関する長さをLSOAとすると、前記SOA部にISOA=115[mA/mm]×LSOA[mm]+10[mA]±ΔIDFB/2[mA]の範囲内で電流が注入されることを特徴とする請求項5に記載のSOA集積EA−DFBレーザ。
- 前記SOA集積EA−DFBレーザのDFBレーザ部及びSOA部は同一の制御端子から電流を注入され、
ISOA=115[mA/mm]×LSOA[mm]+10[mA]±ΔIDFB/2[mA]を満たすように前記SOA集積EA−DFBレーザのDFBレーザ部及びSOA部の光導波方向に関する長さが設計されていることを特徴とする請求項5に記載のSOA集積EA−DFBレーザ。 - 前記SOA部の光導波方向に関する長さは、50μm以上150μm以下であることを特徴とする請求項5のSOA集積EA−DFBレーザ。
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PCT/JP2016/000792 WO2016136183A1 (ja) | 2015-02-23 | 2016-02-16 | Soa集積ea-dfbレーザ及びその駆動方法 |
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JP2018060975A (ja) * | 2016-10-07 | 2018-04-12 | 日本電信電話株式会社 | 直接変調レーザ |
JP6557643B2 (ja) * | 2016-10-07 | 2019-08-07 | 日本電信電話株式会社 | 直接変調レーザ |
JP2018060973A (ja) * | 2016-10-07 | 2018-04-12 | 日本電信電話株式会社 | 半導体光集積素子およびこれを搭載した光送受信モジュール |
JP2018060974A (ja) * | 2016-10-07 | 2018-04-12 | 日本電信電話株式会社 | 半導体光集積素子 |
JP6535311B2 (ja) * | 2016-10-07 | 2019-06-26 | 日本電信電話株式会社 | 波長多重送信器 |
JP6866976B2 (ja) * | 2016-10-27 | 2021-04-28 | 住友電工デバイス・イノベーション株式会社 | 半導体レーザ装置の動作条件決定方法 |
CN111033918B (zh) * | 2017-09-19 | 2021-12-24 | 日本电信电话株式会社 | 半导体光学集成元件 |
JPWO2019102604A1 (ja) * | 2017-11-27 | 2019-12-12 | 三菱電機株式会社 | 半導体光送信器 |
JP6927091B2 (ja) * | 2018-03-07 | 2021-08-25 | 日本電信電話株式会社 | 半導体光集積素子の製造方法 |
CN108879321A (zh) * | 2018-09-12 | 2018-11-23 | 成都微泰光芯技术有限公司 | 一种集成soa的eml芯片 |
JP6729982B2 (ja) * | 2019-05-27 | 2020-07-29 | 三菱電機株式会社 | 半導体光集積素子 |
US11705692B2 (en) * | 2020-07-28 | 2023-07-18 | Cisco Technology, Inc. | Laser side mode suppression ratio control |
US20220255295A1 (en) * | 2021-02-05 | 2022-08-11 | Inphi Corporation | High-power tunable laser on silicon photonics platform |
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JPH05291694A (ja) * | 1992-04-07 | 1993-11-05 | Hitachi Ltd | 低チャープ光源 |
JPH06181366A (ja) * | 1992-12-14 | 1994-06-28 | Fujitsu Ltd | 光半導体装置 |
US20050006654A1 (en) * | 2003-07-08 | 2005-01-13 | Byung-Kwon Kang | Semiconductor monolithic integrated optical transmitter |
JP2013258336A (ja) * | 2012-06-13 | 2013-12-26 | Nippon Telegr & Teleph Corp <Ntt> | 半導体光集積素子 |
JP2013258337A (ja) * | 2012-06-13 | 2013-12-26 | Nippon Telegr & Teleph Corp <Ntt> | 半導体光集積素子 |
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