| Project/Area Number |
15H03578
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| Research Category |
Grant-in-Aid for Scientific Research (B)
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| Allocation Type | Single-year Grants |
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| Section | 一般 |
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| Research Field |
Optical engineering, Photon science
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| Research Institution | Yokohama National University |
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Principal Investigator |
Kokubun Yasuo 横浜国立大学, 大学院工学研究院, 教授 (60134839)
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| Co-Investigator(Kenkyū-buntansha) |
荒川 太郎 横浜国立大学, 工学(系)研究科(研究院), 助教授 (40293170)
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| Research Collaborator |
KOBAYASHI Naoki
KAWAMURA Yusaku
AOKI Ryosuke
TAKAZAWA Hiroki
HOMMA Hiroyuki
KOMATSUBARA Takuya
HAYASAKA Nobuyuki
KAWAGUCHI Naoki
HORI Kento
YOSHIDA Soichiro
ISHIHARA Shintaro
GAUTAM Rajdeep
NISHIMURA Masaki
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| Project Period (FY) |
2015-04-01 – 2018-03-31
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| Project Status |
Completed (Fiscal Year 2017)
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| Budget Amount *help |
¥17,030,000 (Direct Cost: ¥13,100,000、Indirect Cost: ¥3,930,000)
Fiscal Year 2017: ¥2,730,000 (Direct Cost: ¥2,100,000、Indirect Cost: ¥630,000)
Fiscal Year 2016: ¥7,280,000 (Direct Cost: ¥5,600,000、Indirect Cost: ¥1,680,000)
Fiscal Year 2015: ¥7,020,000 (Direct Cost: ¥5,400,000、Indirect Cost: ¥1,620,000)
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| Keywords | マイクロリング共振器 / 全光インバータ / 全光２値論理 / 全光フリップフロップ / 半導体レーザ / 注入同期 / 非対称方向性発振 / 光制御 / マイクロリング / 光インバータ / 光２値論理 |
|---|
| Outline of Final Research Achievements |
To realize all-optical binary logic device suitable for cascade integration based on adjacent lasing wavelengths of multiple-quantum-well (MQW) semiconductor microring lasers (SMRLs), we investigated the unidirectional selective lasing condition and found that the phase of feedback light from a reflection facet affects the power ratio of clockwise to counterclockwise lasing. Using this knowledge, we designed a unidirectional microring laser.
Next, we demonstrated that all-optical flip-flop and inverter operations using two adjacent lasing wavelengths can be realized in the identical semiconductor microring laser and the operations are switchable periodically with the phase of feedback light from a reflection facet. Lasing conditions for the switching of operations are investigated experimentally and compared with a theoretical model.
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