用于红色 Pr:YLF 超短脉冲激光器的零维碲化镉铅量子点光调制器

IF 4.6 2区物理与天体物理 Q1 OPTICS Optics and Laser Technology Pub Date : 2024-10-22 DOI:10.1016/j.optlastec.2024.112003

Haowei Yu , Yuqian Zu , Lingfeng Gao , Syed Zaheer Ud Din , Chun Li , Haotian Gao , Wenhui Ji , Haopu Xu , Ruizhan Zhai , Zhongqing Jia , Xiaoyue Feng , Jie Liu , Qi Yang

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引用次数: 0

摘要

通过自上而下的液相剥离（LPE）方法成功制备了高质量的碲化镉铅量子点（PbTe QDs），并将其用作新型可饱和吸收体（SA），首次实现了皮秒连续波模式锁定（CWML）红光激光器与 Pr:YLF 晶体的结合。应用双通道同步检测技术测量了碲化铋 QDs SA 的非线性光学可饱和特性。这些研究结果表明，高质量 PbTe QDs SA 是一种有效的光调制器，展示了其在可见光超快光子学领域的应用前景。

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Zero-dimensional lead telluride quantum dots optical modulator for red Pr:YLF ultrashort pulse laser

High-quality lead telluride quantum dots (PbTe QDs) are prepared by a top-down liquid phase exfoliation (LPE) method successfully and used as a novel saturable absorber (SA) to first realize a picosecond continuous-wave mode-locked (CWML) red laser with a Pr:YLF crystal. The nonlinear optical saturable characteristic of the PbTe QDs SA is measured by applying a double-channel synchronous detection technique. Further, a picosecond CWML Pr:YLF laser with a highest average output power of 115 mW is obtained, corresponding to a pulse energy of 1.5 nJ and a peak power of 24.2 W. These findings indicate that high-quality PbTe QDs SA is an effective optical modulator, demonstrating its application prospects in the field of visible ultrafast photonics.

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来源期刊

Optics and Laser Technology 物理-光学

CiteScore

8.50

自引率

10.00%

发文量

1060

审稿时长

3.4 months

期刊介绍： Optics & Laser Technology aims to provide a vehicle for the publication of a broad range of high quality research and review papers in those fields of scientific and engineering research appertaining to the development and application of the technology of optics and lasers. Papers describing original work in these areas are submitted to rigorous refereeing prior to acceptance for publication. The scope of Optics & Laser Technology encompasses, but is not restricted to, the following areas: •development in all types of lasers •developments in optoelectronic devices and photonics •developments in new photonics and optical concepts •developments in conventional optics, optical instruments and components •techniques of optical metrology, including interferometry and optical fibre sensors •LIDAR and other non-contact optical measurement techniques, including optical methods in heat and fluid flow •applications of lasers to materials processing, optical NDT display (including holography) and optical communication •research and development in the field of laser safety including studies of hazards resulting from the applications of lasers (laser safety, hazards of laser fume) •developments in optical computing and optical information processing •developments in new optical materials •developments in new optical characterization methods and techniques •developments in quantum optics •developments in light assisted micro and nanofabrication methods and techniques •developments in nanophotonics and biophotonics •developments in imaging processing and systems