首页> 外文期刊>Optical fiber technology >Poly(3-hexylthiophene-2,5-diyl) regioregular (P_3HT) thin film as saturable absorber for passively Q-switched and mode-locked Erbium-doped fiber laser
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Poly(3-hexylthiophene-2,5-diyl) regioregular (P_3HT) thin film as saturable absorber for passively Q-switched and mode-locked Erbium-doped fiber laser

机译:聚(3-己基噻吩-2,5-二基)叶片(P_3HT)薄膜作为被动Q开关的可饱和吸收器和模式锁定的铒掺杂光纤激光器

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摘要

Q-switched and mode-locked Erbium-doped fiber lasers (EDFLs) were demonstrated using poly(3-hexylthiophene-2,5-diyl) regioregular (P3HT) organic semiconductor in the form of thin film as a saturable absorber (SA). The P3HT thin film is cut into small pieces and sandwiched between two ferrules in EDFL cavity to generate a stable Q-switching and mode-locking pulse train. By increasing the 980 nm pump power from 63 mW to 125 mW, the repetition rate of the EDFL increases from 62.97 kHz to 78.63 kHz while the pulse width decreases from 5.52 mu s to 3.79 mu s. The maximum pulse energy of 15.05 nJ is generated with repetition rate and pulse width of 78.63 kHz and 3.79 mu s, respectively. Meanwhile, self-starting mode-locked EDFL arises as the pump power raises from 125 mW to 187 mW. As the pump power increases to the maximum, the repetition rate is almost constant of 1.838 MHz and pulse width of 2.62 ps are observed. The mode-locked EDFL operated at 1563 nm wavelength. This experiment shows that P3HT SA can be used to generate stable Q-switched and mode-locked pulsed lasers.
机译:使用薄膜形式的聚(3-己基噻吩-2,5-二基)测定的薄膜作为可饱和吸收剂(SA),对Q开关和模式锁定的掺杂纤维激光激光器(EDFL)进行了证明。将P3HT薄膜切成小块并夹在EDFL腔中的两个套圈之间,以产生稳定的Q开关和模式锁定脉冲系。通过将980nm泵功率从63 mw增加到125 mw,EDFL的重复率从62.97 kHz增加到78.63 kHz,而脉冲宽度从5.52亩为3.79μs降低。使用重复率和脉冲宽度为78.63 kHz和3.79μs的脉冲宽度产生15.05 nj的最大脉冲能。同时,随着泵电源从125 MW升高到187兆瓦,自动启动模式锁定的EDFL出现。随着泵功率升高到最大值,重复率几乎恒定为1.838MHz,并且观察到2.62 PS的脉冲宽度。模式锁定的EDFL在1563nm波长下操作。该实验表明,P3HT SA可用于产生稳定的Q开关和模式锁定的脉冲激光器。

著录项

  • 来源
    《Optical fiber technology》 |2020年第1期|102073.1-102073.7|共7页
  • 作者单位

    Univ Malaya Photon Engn Lab Dept Elect Engn Kuala Lumpur 50603 Malaysia;

    Univ Malaya Photon Engn Lab Dept Elect Engn Kuala Lumpur 50603 Malaysia;

    Univ Malaya Dept Phys Kuala Lumpur 50603 Malaysia;

    Univ Malaya Photon Engn Lab Dept Elect Engn Kuala Lumpur 50603 Malaysia;

    Univ Malaya Dept Phys Kuala Lumpur 50603 Malaysia;

    Univ Malaya Dept Phys Kuala Lumpur 50603 Malaysia;

    Univ Malaya Dept Phys Kuala Lumpur 50603 Malaysia;

    Univ Malaya Photon Engn Lab Dept Elect Engn Kuala Lumpur 50603 Malaysia;

    Univ Malaya Photon Engn Lab Dept Elect Engn Kuala Lumpur 50603 Malaysia;

    Univ Teknol Malaysia Fac Sci Dept Phys Skudai 81310 Johor Malaysia;

    Airlangga Univ Fac Sci & Technol Dept Phys Surabaya Indonesia;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);
  • 原文格式 PDF
  • 正文语种 eng
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