Generation of GHz repetition rate 10-fs optical pulses from a continuous wave laser diode
| Project/Area Number |
24360143
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| Research Category |
Grant-in-Aid for Scientific Research (B)
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| Allocation Type | Partial Multi-year Fund |
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| Section | 一般 |
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| Research Field |
Electron device/Electronic equipment
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| Research Institution | Tokyo Denki University |
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Principal Investigator |
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| Co-Investigator(Kenkyū-buntansha) |
ISHIZAWA Atsushi 日本電信電話株式会社NTT物性科学基礎研究所, 量子光物性研究部, 主任研究員 (30393797)
TAKIGUCHI Kouichi 立命館大学, 理工学部, 教授 (70633254)
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| Co-Investigator(Renkei-kenkyūsha) |
HITACHI Kenichi 日本電信電話株式会社NTT物性科学基礎研究所, 量子光物性研究部, 研究主任 (60564276)
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| Research Collaborator |
GOTO Takahiro
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| Project Period (FY) |
2012-04-01 – 2015-03-31
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| Project Status |
Completed (Fiscal Year 2014)
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| Budget Amount *help |
¥18,460,000 (Direct Cost: ¥14,200,000、Indirect Cost: ¥4,260,000)
Fiscal Year 2014: ¥2,730,000 (Direct Cost: ¥2,100,000、Indirect Cost: ¥630,000)
Fiscal Year 2013: ¥5,460,000 (Direct Cost: ¥4,200,000、Indirect Cost: ¥1,260,000)
Fiscal Year 2012: ¥10,270,000 (Direct Cost: ¥7,900,000、Indirect Cost: ¥2,370,000)
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| Keywords | 光周波数コム / 電気光学変調器 / 超短パルス光 / 高繰り返し / 広モード間隔 / 波形整形 / 光位相変調器 / 光強度変調器 / 高繰返し |
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| Outline of Final Research Achievements |
High repetition rate short optical pulses generation technique from a CW LD based on electro-optic modulators have been developed. A wide repetition rate tunable range of 18-28 GHz and a wide wavelength tunable range of 1530-1575 nm could be achieved while keeping the pulse duration shorter than 0.5 ps. From the numerical simulation results, we have clarified that sub-10-fs pulse duration could be achieved by using a progressive expansion of the spectrum in the self-phase modulation process in an erbium-doped fiber amplifier if we use a broadband optical amplifier. The demonstration of the dual-comb spectroscopy and the ultralow-phase-noise millimeter-wave signal generation which is superior to commercially available signal generators are also succeeded by using our developed optical source.
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Report
(4 results)
Research Products
(36 results)
