IF 4.6 2区物理与天体物理

Optics and Laser Technology Pub Date : 2025-06-04 DOI: 10.1016/j.optlastec.2025.113298

Kang Wei, Xinxing Shao, Xiaoyuan He

引用次数: 0

Dispersive Fourier synthesis: universal method and MATLAB tool for acousto-optic arbitrary femtosecond laser pulse shaping 色散傅立叶合成：声光任意飞秒激光脉冲整形的通用方法和MATLAB工具

IF 4.6 2区物理与天体物理

Optics and Laser Technology Pub Date : 2025-06-04 DOI: 10.1016/j.optlastec.2025.113263

Konstantin B. Yushkov , Alexander I. Chizhikov , Victoria S. Shcherbakova , Vladimir Ya. Molchanov , Vladislav N. Ginzburg , Sergey E. Stukachev , Andrey A. Shaykin , Ivan V. Yakovlev , Efim A. Khazanov

{"title":"Dispersive Fourier synthesis: universal method and MATLAB tool for acousto-optic arbitrary femtosecond laser pulse shaping","authors":"Konstantin B. Yushkov , Alexander I. Chizhikov , Victoria S. Shcherbakova , Vladimir Ya. Molchanov , Vladislav N. Ginzburg , Sergey E. Stukachev , Andrey A. Shaykin , Ivan V. Yakovlev , Efim A. Khazanov","doi":"10.1016/j.optlastec.2025.113263","DOIUrl":"10.1016/j.optlastec.2025.113263","url":null,"abstract":"<div><div>Femtosecond pulse shaping is a variety of experimental methods for manipulating temporal profile of ultrashort laser pulses. One of common tools for pulse shaping is acousto-optic programmable Bragg gratings. We describe the Dispersive Fourier Synthesis algorithm for generating arbitrary transmission functions of acousto-optic programmable dispersive filters and delay lines used therein. The algorithm performs computation of radio-frequency waveforms providing arbitrary complex-valued transmission functions for the said devices. An open-source MATLAB script was developed based on this algorithm taking into account the ease of use of a commercial radio-frequency driver. The experiments include full validation of the algorithm: calibration of frequency-to-wavelength mapping, determination of optimal driving power, and closed-loop femtosecond pulse compression in the front-end of the PEARL (PEtawatt pARametric Laser) facility.</div></div>","PeriodicalId":19511,"journal":{"name":"Optics and Laser Technology","volume":"191 ","pages":"Article 113263"},"PeriodicalIF":4.6,"publicationDate":"2025-06-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144205371","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

A solid-state temporally multiplexed quantum memory array at the single-photon level 一种单光子水平的固态临时多路量子存储阵列

IF 7.6 1区物理与天体物理

npj Quantum Information Pub Date : 2025-06-04 DOI: 10.1038/s41534-025-01042-9

Markus Teller, Susana Plascencia, Cristina Sastre Jachimska, Samuele Grandi, Hugues de Riedmatten

引用次数: 0

Effect of pulse frequency on the structure and properties of TC11 alloy prepared by laser additive manufacturing

IF 4.6 2区物理与天体物理

Optics and Laser Technology Pub Date : 2025-06-04 DOI: 10.1016/j.optlastec.2025.113304

Chunlun Chen, Zhenlin Zhang, Xin Zhang, Jinghao Zhuang, Yongsheng Zhao, Yan Liu, Shuangquan Guo, Hui Chen

{"title":"Effect of pulse frequency on the structure and properties of TC11 alloy prepared by laser additive manufacturing","authors":"Chunlun Chen, Zhenlin Zhang, Xin Zhang, Jinghao Zhuang, Yongsheng Zhao, Yan Liu, Shuangquan Guo, Hui Chen","doi":"10.1016/j.optlastec.2025.113304","DOIUrl":"10.1016/j.optlastec.2025.113304","url":null,"abstract":"<div><div>Compared with continuous wave laser, pulsed laser causes the melt pool temperature and melt motion to show periodic changes, which is conducive to obtaining finer microstructures. In this paper, TC11 titanium alloy was prepared by pulsed laser direct energy deposition (P-LDED) to improve its microstructure and tensile properties. The results show that the grain size of the pulsed laser deposited samples is significantly reduced from 3.46 μm in the samples deposited by continuous laser direct energy deposition (C-LDED) to 2.64 μm in the samples deposited by low-frequency P-LDED, and the coefficient of variation is reduced from 0.41 to 0.34. In addition, compared with the TC11 alloy deposited by C-LDED, the low-frequency pulsed laser significantly enhanced its tensile strength with an average tensile strength of 1229.2, which is a 10.1 % improvement, but the elongation decreased. Interestingly, compared to the low-frequency pulsed laser, the TC11 prepared by the high-frequency P-LDED showed a slight decrease in tensile strength but an increase in elongation of 28.3 %.</div></div>","PeriodicalId":19511,"journal":{"name":"Optics and Laser Technology","volume":"191 ","pages":"Article 113304"},"PeriodicalIF":4.6,"publicationDate":"2025-06-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144212956","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Structural and mechanical properties of titanium nitride films modulated by assisting ions

IF 1.4 3区物理与天体物理

Nuclear Instruments & Methods in Physics Research Section B-beam Interactions With Materials and Atoms Pub Date : 2025-06-04 DOI: 10.1016/j.nimb.2025.165756

Lili Geng , Meichen Wu , Jiayi Guo , Junhao Wan , Fanya Jin , Zhaotan Jiang , Zhi Wang

引用次数: 0

LiTaO3 versus LiNbO3 as optical-to-terahertz converter LiTaO3与LiNbO3作为光-太赫兹转换器

IF 4.6 2区物理与天体物理

Optics and Laser Technology Pub Date : 2025-06-04 DOI: 10.1016/j.optlastec.2025.113259

S.B. Bodrov , M.V. Sarafanova , A.I. Shugurov , M.I. Bakunov

引用次数: 0

Tunable Optimally-Coded Snapshot Hyperspectral Imaging for Scene Adaptation (Laser Photonics Rev. 19(10)/2025) 用于场景适应的可调谐最佳编码快照高光谱成像（激光光子学Rev. 19(10)/2025）

IF 9.8 1区物理与天体物理

Laser & Photonics Reviews Pub Date : 2025-06-04 DOI: 10.1002/lpor.202570044

Chong Zhang, Wenjing Liu, Juntao Li, Siqi Li, Lizhi Wang, Hua Huang, Yuanjin Zheng, Yongtian Wang, Jinli Suo, Weitao Song

{"title":"Tunable Optimally-Coded Snapshot Hyperspectral Imaging for Scene Adaptation (Laser Photonics Rev. 19(10)/2025)","authors":"Chong Zhang, Wenjing Liu, Juntao Li, Siqi Li, Lizhi Wang, Hua Huang, Yuanjin Zheng, Yongtian Wang, Jinli Suo, Weitao Song","doi":"10.1002/lpor.202570044","DOIUrl":"https://doi.org/10.1002/lpor.202570044","url":null,"abstract":"<p><b>Tunable Optimally Coded Snapshot Hyperspectral Imaging</b></p><p>The cover feature highlights the principles and capabilities of the tunable optimally coded snapshot hyperspectral imaging (TOSHI) system. By leveraging the refreshability of the LCoS-SLM, TOSHI dynamically optimizes optical encoding and software decoding based on scene data, enhancing spectral and spatial reconstruction accuracy. This image demonstrates its effectiveness in adaptive hyperspectral imaging across various lighting conditions and complex scenes. Integrating hardware encoding with deep learning-based reconstruction, TOSHI advances computational hyperspectral imaging for scientific and industrial applications. For more details, see article 2401921 by Weitao Song and co-workers.\u0000\u0000 <figure>\u0000 <div><picture>\u0000 <source></source></picture><p></p>\u0000 </div>\u0000 </figure></p>","PeriodicalId":204,"journal":{"name":"Laser & Photonics Reviews","volume":"19 11","pages":""},"PeriodicalIF":9.8,"publicationDate":"2025-06-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1002/lpor.202570044","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144206513","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Cyclic measurements and simplified quantum state tomography 循环测量和简化量子态层析成像

IF 6.4 2区物理与天体物理

Quantum Pub Date : 2025-06-04 DOI: 10.22331/q-2025-06-04-1763

Victor Gonzalez Avella, Jakub Czartowski, Dardo Goyeneche, Karol Życzkowski

引用次数: 0

Microscale generation and control of nanosecond light by light in a liquid crystal 液晶中的光在微尺度上产生和控制纳秒级光

IF 35 1区物理与天体物理

Nature Photonics Pub Date : 2025-06-03 DOI: 10.1038/s41566-025-01693-2

Mahendran Vellaichamy, Uroš Jagodič, Jaka Pišljar, Jaka Zaplotnik, Urban Mur, Andreja Jelen, Andriy Nych, Deepshika Malkar, Anna V. Ryzhkova, Miha Škarabot, Miha Ravnik, Igor Muševič

{"title":"Microscale generation and control of nanosecond light by light in a liquid crystal","authors":"Mahendran Vellaichamy, Uroš Jagodič, Jaka Pišljar, Jaka Zaplotnik, Urban Mur, Andreja Jelen, Andriy Nych, Deepshika Malkar, Anna V. Ryzhkova, Miha Škarabot, Miha Ravnik, Igor Muševič","doi":"10.1038/s41566-025-01693-2","DOIUrl":"https://doi.org/10.1038/s41566-025-01693-2","url":null,"abstract":"<p>The softness of liquid crystals, their anisotropic material properties, their strong response to external fields and their ability to align on patterned surfaces makes them unsurpassable for a number of photonic applications, such as flat-panel displays, light modulators, tunable filters, entangled photon light sources, lasers and many others. However, the microscale integration of liquid crystals into microphotonic devices that not only perform like silicon photonic chips but also use less energy, operate exclusively on light, are biocompatible and can self-assemble has not been explored. Here we demonstrate a soft-matter photonic chip that integrates tunable liquid-crystal microlasers and laser microprinted polymer waveguides. We demonstrate the control of the liquid crystal’s microlaser emission by nanosecond optical pulses and introduce the concept of resonant stimulated-emission depletion to switch the light by light. This opens a way to design an entirely new class of photonic integrated devices that can be made both biodegradable and biocompatible with a rich variety of applications in medicine, wearable photonics and logic circuits. We anticipate that soft-matter photonic circuits will not only outperform solid-state photonics in terms of a huge reduction in the number of production steps, the use of non-toxic chemicals and a better energy efficiency, but also could open an avenue to the paradigm of soft-matter photonics.</p>","PeriodicalId":18926,"journal":{"name":"Nature Photonics","volume":"9 1","pages":""},"PeriodicalIF":35.0,"publicationDate":"2025-06-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144201525","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

A temperate 10-Earth-mass exoplanet around the Sun-like star Kepler-725 一颗温带的系外行星，质量为地球的10倍，围绕类太阳恒星开普勒-725运行

IF 14.1 1区物理与天体物理

Nature Astronomy Pub Date : 2025-06-03 DOI: 10.1038/s41550-025-02565-z

L. Sun, S. Gu, X. Wang, J. H. M. M. Schmitt, P. Ioannidis, M. B. N. Kouwenhoven, J. Dou, G. Zhao

{"title":"A temperate 10-Earth-mass exoplanet around the Sun-like star Kepler-725","authors":"L. Sun, S. Gu, X. Wang, J. H. M. M. Schmitt, P. Ioannidis, M. B. N. Kouwenhoven, J. Dou, G. Zhao","doi":"10.1038/s41550-025-02565-z","DOIUrl":"https://doi.org/10.1038/s41550-025-02565-z","url":null,"abstract":"<p>The detection of low-mass exoplanets (≤10 Earth masses (<i>M</i><sub><span>⊕</span></sub>)) yields fundamental inputs for current theories of planet formation and evolution, and supplies critical information for the planned direct-imaging missions that aim to detect and characterize Earth-like planets in the habitable zones around solar-like stars. However, the most efficient detection techniques available for low-mass exoplanets (that is, photometric transit and radial velocity methods) are heavily biased towards the detection of short-period planets (for example, ≤100 days) and strongly favour late-type stars. Here we report the discovery of Kepler-725 c, a 10 ± 3 <i>M</i><sub><span>⊕</span></sub> exoplanet within the habitable zone of the late G-type dwarf Kepler-725. Through analysis of the transit timing variations of the relatively short-period (39.64 days) warm Jupiter Kepler-725 b, we find that Kepler-725 c has a period of 207.5 days and travels in an eccentric orbit (with an eccentricity of 0.44 ± 0.02 and an orbital semi-major axis of 0.674 ± 0.002 au), receiving a time-averaged insolation of 1.4 times the Earth’s value. This discovery demonstrates that the transit timing variation method enables the detection and accurate mass measurement of a super-Earth/mini-Neptune within a solar-like star’s habitable zone. Similar searches for such exoplanets could be conducted in other exoplanetary systems in the era of the Transiting Exoplanet Survey Satellite mission and upcoming PLAnetary Transits and Oscillations of stars and Earth 2.0 missions.</p>","PeriodicalId":18778,"journal":{"name":"Nature Astronomy","volume":"81 1","pages":""},"PeriodicalIF":14.1,"publicationDate":"2025-06-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144202116","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

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