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Chinese Optics Letters最新文献

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Effect of Ba/Sr ratio on the nonlinear optical properties of Ba1-xSrxTiO3 (x = 0.1–0.9) thin films Ba/Sr比对Ba1-xSrxTiO3 (x = 0.1-0.9)薄膜非线性光学性质的影响
IF 3.5 2区 物理与天体物理
Chinese Optics Letters Pub Date : 2023-01-01 DOI: 10.3788/col202321.041601
Depeng Wang, R. Niu, L. Cui, Weitian Wang
{"title":"Effect of Ba/Sr ratio on the nonlinear optical properties of Ba1-xSrxTiO3 (x = 0.1–0.9) thin films","authors":"Depeng Wang, R. Niu, L. Cui, Weitian Wang","doi":"10.3788/col202321.041601","DOIUrl":"https://doi.org/10.3788/col202321.041601","url":null,"abstract":"","PeriodicalId":10293,"journal":{"name":"Chinese Optics Letters","volume":"25 1","pages":""},"PeriodicalIF":3.5,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"73545556","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
Underwater ghost imaging with pseudo-Bessel-ring modulation pattern 伪贝塞尔环调制模式水下鬼影成像
IF 3.5 2区 物理与天体物理
Chinese Optics Letters Pub Date : 2023-01-01 DOI: 10.3788/col202321.081101
Zhe Sun, Tong Tian, Suk-Sim Oh, Jiang-Shan Wang, G. Cheng, Xuelong Li
{"title":"Underwater ghost imaging with pseudo-Bessel-ring modulation pattern","authors":"Zhe Sun, Tong Tian, Suk-Sim Oh, Jiang-Shan Wang, G. Cheng, Xuelong Li","doi":"10.3788/col202321.081101","DOIUrl":"https://doi.org/10.3788/col202321.081101","url":null,"abstract":"In this study, we propose an underwater ghost-imaging scheme using a modulation pattern combining offset-position pseudo-Bessel-ring (OPBR) and random binary (RB) speckle pattern illumination. We design the experiments based on modulation rules to order the OPBR speckle patterns. We retrieve ghost images by OPBR beam with different modulation speckle sizes. The obtained ghost images have a better contrast-to-noise rate compared to RB beam ghost imaging under the same conditions. We verify the results both in the experiment and simulation. In addition, we also check the image quality at different turbidities. Furthermore, we demonstrate that the OPBR speckle pattern also provides better image quality in other objects. The proposed method promises wide applications in highly scattering media","PeriodicalId":10293,"journal":{"name":"Chinese Optics Letters","volume":"87 1","pages":""},"PeriodicalIF":3.5,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"79957840","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
Tb3+-doped borosilicate glass scintillators for high-resolution X-ray imaging 用于高分辨率x射线成像的掺Tb3+硼硅酸盐玻璃闪烁体
IF 3.5 2区 物理与天体物理
Chinese Optics Letters Pub Date : 2023-01-01 DOI: 10.3788/col202321.071601
Wenjun Huang, Junyu Chen, Yi Li, Yueyue Wu, Lianjie Li, Liping Chen, Hai Guo
{"title":"Tb3+-doped borosilicate glass scintillators for high-resolution X-ray imaging","authors":"Wenjun Huang, Junyu Chen, Yi Li, Yueyue Wu, Lianjie Li, Liping Chen, Hai Guo","doi":"10.3788/col202321.071601","DOIUrl":"https://doi.org/10.3788/col202321.071601","url":null,"abstract":"","PeriodicalId":10293,"journal":{"name":"Chinese Optics Letters","volume":"17 1","pages":""},"PeriodicalIF":3.5,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"78942335","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
Photonic and phononic interface states based on sunflower-type crystals [Invited] 基于向日葵型晶体的光子和声子界面态[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/col202321.061301
Zixian Guo, Bei Yan, J. Liu
{"title":"Photonic and phononic interface states based on sunflower-type crystals [Invited]","authors":"Zixian Guo, Bei Yan, J. Liu","doi":"10.3788/col202321.061301","DOIUrl":"https://doi.org/10.3788/col202321.061301","url":null,"abstract":"Interface states are widely applied in waveguide devices. However, previous studies failed to achieve photonic and phononic interface states independent of each other in the same crystal structure depending on the behavior of the crystal structure, i.e","PeriodicalId":10293,"journal":{"name":"Chinese Optics Letters","volume":"70 1","pages":""},"PeriodicalIF":3.5,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"79569843","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
Coherent combining of a fiber laser array via cascaded internal phase control technique 利用级联内相位控制技术实现光纤激光器阵列的相干组合
IF 3.5 2区 物理与天体物理
Chinese Optics Letters Pub Date : 2023-01-01 DOI: 10.3788/col202321.081402
Jinhu Long, Jiayi Zhang, Hongxiang Chang, Qi Chang, Yu Deng, Zixin Yang, Jian Wu, R. Su, Yanxin Ma, P. Ma, P. Zhou
{"title":"Coherent combining of a fiber laser array via cascaded internal phase control technique","authors":"Jinhu Long, Jiayi Zhang, Hongxiang Chang, Qi Chang, Yu Deng, Zixin Yang, Jian Wu, R. Su, Yanxin Ma, P. Ma, P. Zhou","doi":"10.3788/col202321.081402","DOIUrl":"https://doi.org/10.3788/col202321.081402","url":null,"abstract":"We experimentally demonstrated a cascaded internal phase control technique. A laser array with 12 channels was divided into three sub-arrays and a stage array, and phases of the sub-arrays and the stage array were locked by four phase controllers based on the stochastic parallel gradient descent (SPGD) algorithm, respectively. In this way, the phases of the whole array were locked, and the visibility of the interference pattern of the whole emitted laser array in the far field was ∼ 93%. In addition, the technique has the advantage of element expanding and can be further used in the high-power coherent beam combination (CBC) system due to its compact spatial structure","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":"79313373","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
Constructing ultra-long focal fields via tightly focused Bessel beams 通过紧密聚焦贝塞尔光束构建超长焦场
IF 3.5 2区 物理与天体物理
Chinese Optics Letters Pub Date : 2023-01-01 DOI: 10.3788/col202321.072601
Zhaojin Guo, Ming Huang, Sheng Liu, Peng Li, B. Wei, Jianlin Zhao
{"title":"Constructing ultra-long focal fields via tightly focused Bessel beams","authors":"Zhaojin Guo, Ming Huang, Sheng Liu, Peng Li, B. Wei, Jianlin Zhao","doi":"10.3788/col202321.072601","DOIUrl":"https://doi.org/10.3788/col202321.072601","url":null,"abstract":",","PeriodicalId":10293,"journal":{"name":"Chinese Optics Letters","volume":"03 1","pages":""},"PeriodicalIF":3.5,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"86278727","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
Photothermal nonlinear scattering of shell-isolated gold nanoparticles and applications in super-resolution imaging 壳隔离金纳米颗粒的光热非线性散射及其在超分辨成像中的应用
IF 3.5 2区 物理与天体物理
Chinese Optics Letters Pub Date : 2023-01-01 DOI: 10.3788/col202321.103601
Tianyue Zhang, Zhiyuan Wang, Xiangchao Zhong, Ying Che, Xiangping Li
{"title":"Photothermal nonlinear scattering of shell-isolated gold nanoparticles and applications in super-resolution imaging","authors":"Tianyue Zhang, Zhiyuan Wang, Xiangchao Zhong, Ying Che, Xiangping Li","doi":"10.3788/col202321.103601","DOIUrl":"https://doi.org/10.3788/col202321.103601","url":null,"abstract":"In this Letter, we report on the investigations of nonlinear scattering of plasmonic nanoparticles by manipulating ambient environments. We create different local thermal hosts for gold nanospheres that are immersed in oil, encapsulated in silica glass and also coated with silica shells. In terms of regulable effective thermal conductivity, silica coatings are found to contribute significantly to scattering saturation. Benefitting from the enhanced thermal stability and the reduced plasmonic coupling provided by the shell-isolated nanoparticles, we achieve super-resolution imaging with a feature size of 52 nm ( λ = 10), and we can readily resolve pairs of nanoparticles with a gap-to-gap distance of 5 nm.","PeriodicalId":10293,"journal":{"name":"Chinese Optics Letters","volume":"37 1","pages":""},"PeriodicalIF":3.5,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"81117594","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
InAs/GaAs quantum dot laterally coupled distributed feedback lasers at 1.3 μm 1.3 μm的InAs/GaAs量子点横向耦合分布反馈激光器
IF 3.5 2区 物理与天体物理
Chinese Optics Letters Pub Date : 2023-01-01 DOI: 10.3788/col202321.011402
Wenfu Yu, Xuyi Zhao, Shixian Han, A. Du, Ruotao Liu, C. Cao, Jin-yi Yan, Jin Yang, Hua Huang, Hai-long Wang, Qian Gong
{"title":"InAs/GaAs quantum dot laterally coupled distributed feedback lasers at 1.3 μm","authors":"Wenfu Yu, Xuyi Zhao, Shixian Han, A. Du, Ruotao Liu, C. Cao, Jin-yi Yan, Jin Yang, Hua Huang, Hai-long Wang, Qian Gong","doi":"10.3788/col202321.011402","DOIUrl":"https://doi.org/10.3788/col202321.011402","url":null,"abstract":"We report the InAs/GaAs quantum dot laterally coupled distributed feedback (LC-DFB) lasers operating at room temperature in the wavelength range of 1.31 μ m. First-order chromium Bragg gratings were fabricated alongside the ridge waveguide to obtain the maximum coupling coefficient with the optical field. Stable continuous-wave single-frequency operation has been achieved with output power above 5 mW/facet and side mode suppression ratio exceeding 52 dB. Moreover, a single chip integrating three LC-DFB lasers was tentatively explored. The three LC-DFB lasers on the chip can operate in single mode at room temperature, covering the wavelength span of 35.6 nm.","PeriodicalId":10293,"journal":{"name":"Chinese Optics Letters","volume":"27 1","pages":""},"PeriodicalIF":3.5,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"74329255","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
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
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