Femtosecond Pulse Delivery through Long Multimode Fiber Using Adaptive Pulse Synthesis
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概要
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We report on a delivery technique for 164-fs optical pulses with a peak power of 1.1 kW through a long multimode optical fiber and a glass block using an adaptive pulse-shaping feedback loop. We used two devices to optimize the input pulse; a pulse stretcher and a pulse shaper. 382-ps chirped pulses are compressed to 370-fs pulses at the output end of a glass block joined to a standard graded-index multimode fiber, 96 m in length and with a core diameter of 50 μm (the output end of the system). The adaptive pulse shaper compensates for the remaining high-order phase dispersion, which results in 164-fs pulses at the output end of the system. Our work shows that an adaptive pulse synthesis technique provides a powerful and convenient technique for programmable fiber dispersion compensation over a broad optical bandwidth.
- 2006-07-15
著者
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伊藤 晴康
(財)光科学技術振興財団 静岡県地域結集型共同研究事業
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Urakami Tsuneyuki
Central Research Laboratory
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伊藤 晴康
浜松ホトニクス株式会社中央研究所
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ITOH Haruyasu
Central Research Laboratory, Hamamatsu Photonics K.K.
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Aoshima Shin-ichiro
Central Research Laboratory Hamamatsu Photonics K.k.
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Tsuchiya Yutaka
Central Research Laboratory
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Tsuchiya Yutaka
Central Research Laboratory, Hamamatsu Photonics K.K., 5000 Hirakuchi, Hamamatsu, Shizuoka 434-8601, Japan CREATE Shizuoka of JST, REFOST, 5000 Hirakuchi, Hamamatsu, Shizuoka 434-0041, Japan
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Aoshima Shin-ichiro
Central Research Laboratory, Hamamatsu Photonics K.K., 5000 Hirakuchi, Hamamatsu, Shizuoka 434-8601, Japan CREATE Shizuoka of JST, REFOST, 5000 Hirakuchi, Hamamatsu, Shizuoka 434-0041, Japan
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Itoh Haruyasu
Central Research Laboratory, Hamamatsu Photonics K.K., 5000 Hirakuchi, Hamamatsu, Shizuoka 434-8601, Japan CREATE Shizuoka of JST, REFOST, 5000 Hirakuchi, Hamamatsu, Shizuoka 434-0041, Japan
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