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Chinese Optics Letters最新文献

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Two-photon polymerization of femtosecond high-order Bessel beams with aberration correction 带像差校正的飞秒高次贝塞尔光束的双光子聚合
IF 3.5 2区 物理与天体物理
Chinese Optics Letters Pub Date : 2023-01-01 DOI: 10.3788/col202321.071203
Erse Jia, C. Xie, N. Xiao, F. Courvoisier, Minglie Hu
{"title":"Two-photon polymerization of femtosecond high-order Bessel beams with aberration correction","authors":"Erse Jia, C. Xie, N. Xiao, F. Courvoisier, Minglie Hu","doi":"10.3788/col202321.071203","DOIUrl":"https://doi.org/10.3788/col202321.071203","url":null,"abstract":"In the femtosecond two-photon polymerization (2PP) experimental system, optical aberrations degrade the fabrication quality. To solve this issue, a multichannel interferometric wavefront sensing technique is adopted in the adaptive laser processing system with a single phase-only spatial light modulator. 2PP fabrications using corrected high-order Bessel beams with the above solution have been conducted, and high-quality microstructure arrays of microtubes with 20 μ m diameter have been rapidly manufactured. The effectiveness of the proposed scheme is demonstrated by comparing the beam intensity distributions and 2PP results before and after aberration corrections.","PeriodicalId":10293,"journal":{"name":"Chinese Optics Letters","volume":"140 1","pages":""},"PeriodicalIF":3.5,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"73138352","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: 1
Shape-preserving storage of elegant Ince-Gaussian modes in warm atomic vapor 温热原子蒸汽中优雅inces - gaussian模式的保形存储
IF 3.5 2区 物理与天体物理
Chinese Optics Letters Pub Date : 2023-01-01 DOI: 10.3788/col202321.072701
Zehao Shen, Chengyuan Wang, Yun Chen, Qifan Wu, Ye Yang, Xin Yang, Hong Gao, Fuli Li
{"title":"Shape-preserving storage of elegant Ince-Gaussian modes in warm atomic vapor","authors":"Zehao Shen, Chengyuan Wang, Yun Chen, Qifan Wu, Ye Yang, Xin Yang, Hong Gao, Fuli Li","doi":"10.3788/col202321.072701","DOIUrl":"https://doi.org/10.3788/col202321.072701","url":null,"abstract":"Multimode photonic quantum memory could enhance the information processing speed in a quantum repeater-based quantum network. A large obstacle that impedes the storage of the spatial multimode in a hot atomic ensemble is atomic diffusion, which severely disturbs the structure of the retrieved light field. In this paper, we demonstrate that the elegant Ince-Gaussian (eIG) mode possesses the ability to resist such diffusion. Our experimental results show that the overall structure of the eIG modes under different parameters maintains well after microseconds of storage. In contrast, the standard IG modes under the same circumstance are disrupted and become unrecognizable. Our findings could promote the construc-tion of quantum networks based on room-temperature atoms.","PeriodicalId":10293,"journal":{"name":"Chinese Optics Letters","volume":"28 1","pages":""},"PeriodicalIF":3.5,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"75311477","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
High-power single-frequency fiber amplifiers: progress and challenge [Invited] 大功率单频光纤放大器:进展与挑战[特邀]
IF 3.5 2区 物理与天体物理
Chinese Optics Letters Pub Date : 2023-01-01 DOI: 10.3788/col202321.090002
Can Li, Yue Tao, Man Jiang, P. Ma, W. Liu, R. Su, Jiangming Xu, Jin-yong Leng, P. Zhou
{"title":"High-power single-frequency fiber amplifiers: progress and challenge [Invited]","authors":"Can Li, Yue Tao, Man Jiang, P. Ma, W. Liu, R. Su, Jiangming Xu, Jin-yong Leng, P. Zhou","doi":"10.3788/col202321.090002","DOIUrl":"https://doi.org/10.3788/col202321.090002","url":null,"abstract":"Unlike conventional continuous-wave lasers with wide spectra, the amplification of single-frequency lasers in optical fibers is much more difficult owing to the ultra-high power spectral density induced nonlinear stimulated Brillouin scattering effect. Nevertheless, over the past two decades much effort has been devoted to improving the power scaling and performance of high-power single-frequency fiber amplifiers. These amplifiers are mostly driven by applications, such as high precision detection and metrology, and have benefited from the long coherence length, low noise, and excellent beam quality of this type of laser source. In this paper, we review the overall development of high-power single-frequency fiber amplifiers by focusing on its progress and challenges, specifically, the strategies for circumventing the stimulated Brillouin scattering and transverse mode instability effects that, at present, are the major limiting factors of the power scaling of the single-frequency fiber amplifiers. These factors are also thoroughly discussed in terms of free-space and all-fiber coupled architecture. In addition, we also examine the noise properties of single-frequency fiber amplifiers, along with corresponding noise reducing schemes. Finally, we briefly envision the future development of high-power single-frequency fiber amplifiers.","PeriodicalId":10293,"journal":{"name":"Chinese Optics Letters","volume":"7 1","pages":""},"PeriodicalIF":3.5,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"82628703","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: 1
Dark-field line confocal imaging with point confocality and extended line field for bulk defects detection 基于点共焦和扩展线场的暗场线共聚焦成像用于体缺陷检测
IF 3.5 2区 物理与天体物理
Chinese Optics Letters Pub Date : 2023-01-01 DOI: 10.3788/col202321.041203
Jingtao Dong, Tengda Zhang, Lei Yang, Yuzhong Zhang, R. Lu, Xinglong Xie
{"title":"Dark-field line confocal imaging with point confocality and extended line field for bulk defects detection","authors":"Jingtao Dong, Tengda Zhang, Lei Yang, Yuzhong Zhang, R. Lu, Xinglong Xie","doi":"10.3788/col202321.041203","DOIUrl":"https://doi.org/10.3788/col202321.041203","url":null,"abstract":"","PeriodicalId":10293,"journal":{"name":"Chinese Optics Letters","volume":"4 1","pages":""},"PeriodicalIF":3.5,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"87797767","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
High sensitivity all-fiber bend sensor based on modal interferences in a ring core fiber 基于环芯光纤模态干涉的高灵敏度全光纤弯曲传感器
IF 3.5 2区 物理与天体物理
Chinese Optics Letters Pub Date : 2023-01-01 DOI: 10.3788/col202321.051201
Fan Zhang, Beibei Qi, Baijin Su, Ou Xu, Yuwen Qin
{"title":"High sensitivity all-fiber bend sensor based on modal interferences in a ring core fiber","authors":"Fan Zhang, Beibei Qi, Baijin Su, Ou Xu, Yuwen Qin","doi":"10.3788/col202321.051201","DOIUrl":"https://doi.org/10.3788/col202321.051201","url":null,"abstract":"","PeriodicalId":10293,"journal":{"name":"Chinese Optics Letters","volume":"11 1","pages":""},"PeriodicalIF":3.5,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"88119011","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
Directly modulated 25 Gbaud/s tunable in-series DFB laser array for WDM systems 用于WDM系统的直接调制25gbaud /s可调串联DFB激光阵列
IF 3.5 2区 物理与天体物理
Chinese Optics Letters Pub Date : 2023-01-01 DOI: 10.3788/col202321.011403
Zhenxing Sun, Yaguang Wang, Rulei Xiao, Leilei Wang, Yangyang Gong, Y. Chiu, Xiangfei Chen
{"title":"Directly modulated 25 Gbaud/s tunable in-series DFB laser array for WDM systems","authors":"Zhenxing Sun, Yaguang Wang, Rulei Xiao, Leilei Wang, Yangyang Gong, Y. Chiu, Xiangfei Chen","doi":"10.3788/col202321.011403","DOIUrl":"https://doi.org/10.3788/col202321.011403","url":null,"abstract":"In this Letter, we proposed and experimentally demonstrated a directly modulated tunable laser based on the multi-wave-length distributed feedback (DFB) laser array. The lasers are placed in series to avoid the usage of an optical combiner and additional power loss. A three-section design is utilized to reduce the interference from other lasers and improve the electro-optic response bandwidth. Besides, the reconstruction-equivalent-chirp technique is used to simplify the grating fabrication and precisely control the grating phase. We realized 12 channels with 100 GHz spacing with high side mode suppression ratios of above 50 dB. The output power of all the channels is above 14 mW. The 3 dB electro-optic bandwidth is above 20 GHz at a bias current of 100 mA for all four lasers. A 25 Gb/s data transmission over a standard single-mode fiber of up to 10 km is demonstrated for all 12 channels, and 50 Gb/s data per wavelength is obtained through the four-level pulse amplitude modulation. The proposed directly modulated tunable in-series DFB laser array shows the potential for a compact and low-cost light source for wavelength division multiplexing (WDM) systems, such as next-generation front-haul networks and passive optical networks.","PeriodicalId":10293,"journal":{"name":"Chinese Optics Letters","volume":"289 1","pages":""},"PeriodicalIF":3.5,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"74395291","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
High-resolution Mo Kα X-ray monochromatic backlight imaging using a toroidal crystal 利用环形晶体的高分辨率Mo Kα x射线单色背光成像
2区 物理与天体物理
Chinese Optics Letters Pub Date : 2023-01-01 DOI: 10.3788/col202321.103401
Haoxuan Si, Lianqiang Shan, Huiyao Du, Li Jiang, Shengzhen Yi, Weimin Zhou, Zhanshan Wang
{"title":"High-resolution Mo Kα X-ray monochromatic backlight imaging using a toroidal crystal","authors":"Haoxuan Si, Lianqiang Shan, Huiyao Du, Li Jiang, Shengzhen Yi, Weimin Zhou, Zhanshan Wang","doi":"10.3788/col202321.103401","DOIUrl":"https://doi.org/10.3788/col202321.103401","url":null,"abstract":"Curved crystal imaging is an important means of plasma diagnosis. Due to the short wavelengths of high-energy X rays and the fixed lattice constant of the spherical crystal, it is difficult to apply the spherical crystal in high-energy X-ray imaging. In this study, we have developed a high-energy, high-resolution X-ray imager based on a toroidal crystal that can effectively correct astigmatism. We prepared a Ge 〈5 1 1〉 toroidal crystal for backlighting Mo Kα1 characteristic lines (∼17.48 keV) and verified its high-resolution imaging ability in high-energy X-ray region, achieving a spatial resolution of 5–10 µm in a field of view larger than 1.0 mm.","PeriodicalId":10293,"journal":{"name":"Chinese Optics Letters","volume":"88 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135181733","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: 2
Effects of propagation phase on the coupling of plasmonic optical modes 传播相位对等离子体光模耦合的影响
IF 3.5 2区 物理与天体物理
Chinese Optics Letters Pub Date : 2023-01-01 DOI: 10.3788/col202321.010003
Wan-xia Huang, Yabo Zhang, Yuan Pei, Maosheng Wang, Fenghua Shi, Kuan-Yi Li
{"title":"Effects of propagation phase on the coupling of plasmonic optical modes","authors":"Wan-xia Huang, Yabo Zhang, Yuan Pei, Maosheng Wang, Fenghua Shi, Kuan-Yi Li","doi":"10.3788/col202321.010003","DOIUrl":"https://doi.org/10.3788/col202321.010003","url":null,"abstract":"The temporal coupled-mode theory (TCMT) has made significant progress in recent years, and is widely applied in explaining a variety of optical phenomena. In this paper, the optical characteristics of the metasurface composed of nano-bars and nano-rings are simulated. The simulation results are well explained by TCMT under the coupled basis vector. However, when the structural asymmetry is large, the fitting of results shows that the total radiation loss is not conservative, in contradiction to the requirement of traditional TCMT. We solved this inconsistency by introducing the propagation phase into the near-field coupling term of TCMT. The studies show that, unlike the local mode near the exceptional point which corresponds to the radiation loss of the bright mode, the global mode near the diabolic point is closely related to the propagation phase. Furthermore, the structure near the diabolic point shows characteristic cross-coupling with the change of period. This study proposes a new theoretical framework for comprehending the interaction of light and matter and offers some guiding implications for the application of TCMT to a variety of related domains.","PeriodicalId":10293,"journal":{"name":"Chinese Optics Letters","volume":"32 1","pages":""},"PeriodicalIF":3.5,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"81275922","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
Magnetic and electric Purcell enhancement in a hybrid metal-dielectric nanostructure 金属-介电混合纳米结构的磁与电Purcell增强
2区 物理与天体物理
Chinese Optics Letters Pub Date : 2023-01-01 DOI: 10.3788/col202321.103602
Lingxiao Shan, Qi Liu, Yun Ma, Yali Jia, Hai Lin, Guowei Lü, Qihuang Gong, Ying Gu
{"title":"Magnetic and electric Purcell enhancement in a hybrid metal-dielectric nanostructure","authors":"Lingxiao Shan, Qi Liu, Yun Ma, Yali Jia, Hai Lin, Guowei Lü, Qihuang Gong, Ying Gu","doi":"10.3788/col202321.103602","DOIUrl":"https://doi.org/10.3788/col202321.103602","url":null,"abstract":",","PeriodicalId":10293,"journal":{"name":"Chinese Optics Letters","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135357930","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
Single-pixel wavefront sensing via vectorial polarization modulation 通过矢量偏振调制的单像素波前传感
2区 物理与天体物理
Chinese Optics Letters Pub Date : 2023-01-01 DOI: 10.3788/col202321.090008
武男 æ�Ž, 毓 曹, 禹 å®�, 锋æ�° ä¹, å…¨ å­™, 晓军 许
{"title":"Single-pixel wavefront sensing via vectorial polarization modulation","authors":"武男 æ�Ž, 毓 曹, 禹 å®�, 锋æ�° ä¹, å…¨ å­™, 晓军 许","doi":"10.3788/col202321.090008","DOIUrl":"https://doi.org/10.3788/col202321.090008","url":null,"abstract":"The Shack – Hartmann wavefront sensor (SHWFS) is commonly used for its high speed and precision in adaptive optics. However, its performance is limited in low light conditions, particularly when observing faint objects in astronomical applications. Instead of a pixelated detector, we present a new approach for wavefront sensing using a single-pixel detector, which is able to code the spatial position of a light spot array into the polarization dimension and decode the polarization state in the polar coordinate. We propose validation experiments with simple and complex wavefront distortions to demonstrate our approach as a promising alternative to traditional SHWFS systems, with potential applications in a wide range of fields.","PeriodicalId":10293,"journal":{"name":"Chinese Optics Letters","volume":"64 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135600377","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
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