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Optical parametric amplification of phase-stable terahertz-to-mid-infrared pulses studied in the time domain
https://repo.qst.go.jp/records/81709
https://repo.qst.go.jp/records/817099367dab2-c57f-464b-b982-ed02d68c3d08
| Item type | 学術雑誌論文 / Journal Article(1) | |||||
|---|---|---|---|---|---|---|
| 公開日 | 2020-04-10 | |||||
| タイトル | ||||||
| タイトル | Optical parametric amplification of phase-stable terahertz-to-mid-infrared pulses studied in the time domain | |||||
| 言語 | ||||||
| 言語 | eng | |||||
| 資源タイプ | ||||||
| 資源タイプ識別子 | http://purl.org/coar/resource_type/c_6501 | |||||
| 資源タイプ | journal article | |||||
| アクセス権 | ||||||
| アクセス権 | metadata only access | |||||
| アクセス権URI | http://purl.org/coar/access_right/c_14cb | |||||
| 著者 |
KANDA, NATSUKI
× KANDA, NATSUKI× Ishii, Nobuhisa× ITATANI, JIRO× MATSUNAGA, RYUSUKE× Nobuhisa, Ishii |
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| 抄録 | ||||||
| 内容記述タイプ | Abstract | |||||
| 内容記述 | We report optical parametric amplification (OPA) of low-frequency infrared pulses in the intermediate region between terahertz (THz) frequency and mid-infrared (MIR), i.e., from 16.9 to 44.8 THz (6.7–17.8 μm). The 255-fs laser output of the Yb:KGW regenerative amplifier is compressed to 11-fs pulses using a multi-plate broadening scheme, which generates THz-to-MIR pulses with a spectrum extending to approximately 50 THz by intra-pulse differential frequency generation (DFG) in GaSe. The THz-to-MIR pulses are further amplified using a two-stage OPA in GaSe. The temporal dynamics and photocarrier effects during OPA are characterized in the time domain. Owing to the intra-pulse DFG, the long-term phase drift of the THz-to-MIR pulses after two-stage OPA is as small as 16 mrad during a 6-h operation without any active feedback. Our scheme using the intra-pulse DFG and post-amplification proposes a new route to intense THz-to-MIR light sources with extreme phase stability. |
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| 書誌情報 |
Optics Express 巻 29, 号 3, p. 3479-3489, 発行日 2021-02 |
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| 出版者 | ||||||
| 出版者 | The Optical Society | |||||
| ISSN | ||||||
| 収録物識別子タイプ | ISSN | |||||
| 収録物識別子 | 1094-4087 | |||||
| DOI | ||||||
| 識別子タイプ | DOI | |||||
| 関連識別子 | 10.1364/OE.413200 | |||||
| 関連サイト | ||||||
| 識別子タイプ | URI | |||||
| 関連識別子 | https://www.osapublishing.org/oe/fulltext.cfm?uri=oe-29-3-3479 | |||||
