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2020 International Conference Laser Optics (ICLO)最新文献

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Coherent amplification of peak-power-scalable out-of-phase supermode in Yb-doped multicore fiber 掺镱多芯光纤中峰值功率可扩展非相超模的相干放大
2020 International Conference Laser Optics (ICLO) Pub Date : 2020-11-02 DOI: 10.1109/ICLO48556.2020.9285422
N. Kalinin, A. Andrianov, E. Anashkina, O. Egorova, D. Lipatov, A. Kim, S. L. Semjonov, A. Litvak
{"title":"Coherent amplification of peak-power-scalable out-of-phase supermode in Yb-doped multicore fiber","authors":"N. Kalinin, A. Andrianov, E. Anashkina, O. Egorova, D. Lipatov, A. Kim, S. L. Semjonov, A. Litvak","doi":"10.1109/ICLO48556.2020.9285422","DOIUrl":"https://doi.org/10.1109/ICLO48556.2020.9285422","url":null,"abstract":"We demonstrate selective excitation and coherent amplification in multicore fiber of the out-of-phase supermode that has equal intensities but interleaved 0/π phases in the neighboring cores. The out-of-phase supermode is beneficial due to its stability at arbitrary high powers, contrary to the fundamental supermode. We fabricated a double-clad all solid silica fiber with six highly Yb-doped coupled cores arranged in a ring structure. We obtained amplification of 50 picosecond chirped pulses up to ~1 µJ energy with measured content of the out-of-phase mode of >80%. We demonstrated in 3D numerical simulation the possibility of the out-of-phase supermode amplification for powers up to damage threshold in silica glass.","PeriodicalId":325837,"journal":{"name":"2020 International Conference Laser Optics (ICLO)","volume":"156 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-11-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121079258","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Methods of Stabilization of Central Wavelength of Erbium-Doped Fiber Source for High-Accuracy Fiber Optic Gyroscope 高精度光纤陀螺掺铒光纤源中心波长稳定方法
2020 International Conference Laser Optics (ICLO) Pub Date : 2020-11-02 DOI: 10.1109/ICLO48556.2020.9285493
I. Zalesskaia, E. Vostrikov, N. Kikilich, A. Aleinik, M. Smolovik, A. Vinogradov, I. Meshkovskii
{"title":"Methods of Stabilization of Central Wavelength of Erbium-Doped Fiber Source for High-Accuracy Fiber Optic Gyroscope","authors":"I. Zalesskaia, E. Vostrikov, N. Kikilich, A. Aleinik, M. Smolovik, A. Vinogradov, I. Meshkovskii","doi":"10.1109/ICLO48556.2020.9285493","DOIUrl":"https://doi.org/10.1109/ICLO48556.2020.9285493","url":null,"abstract":"The central wavelength stability of the erbium-doped fiber source (EDFS) is one of the most significant parameters to provide the accurate operation of high-accuracy fiber-optic gyroscopes (FOGs). In this paper, the method of stabilization of the EDFS as a part of the FOG is presented. The main advantage of this method is the possibility of quick and simple matching of temperature-compensating spectral filters by changing the pump ratio without modifications of the optical scheme. It allows to obtain the world-class stability of the central wavelength of the EDFS as a component of spectral selectivity devices and provides the constant value of the optical power of the output light. The proposed method makes it possible to compensate the spectral characteristics of FOG, achieving the stability of output light central wavelength about 0.7 ppm/°C. Also, a method of real-time stabilization of the central wavelength of the output light (OL) with constant optical power is proposed. The temperature stability of the EDFS central wavelength as a component of the FOG was obtained at 0.32 ppm/°C.","PeriodicalId":325837,"journal":{"name":"2020 International Conference Laser Optics (ICLO)","volume":"241 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-11-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115950274","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Study of dry pellets of blood plasma using THz spectroscopy 太赫兹光谱法研究血浆干颗粒
2020 International Conference Laser Optics (ICLO) Pub Date : 2020-11-02 DOI: 10.1109/ICLO48556.2020.9285903
A. Lykina, M. Konnikova, M. Chernyaeva, P. Gavrilova, I. Mustafin, E. Domracheva, V. Anfertev, D. Vrazhnov, V. Prischepa, Y. Toropova, D. Korolev, A. Shkurinov
{"title":"Study of dry pellets of blood plasma using THz spectroscopy","authors":"A. Lykina, M. Konnikova, M. Chernyaeva, P. Gavrilova, I. Mustafin, E. Domracheva, V. Anfertev, D. Vrazhnov, V. Prischepa, Y. Toropova, D. Korolev, A. Shkurinov","doi":"10.1109/ICLO48556.2020.9285903","DOIUrl":"https://doi.org/10.1109/ICLO48556.2020.9285903","url":null,"abstract":"This work is devoted to the development of a suitable phantom of a biological object for measurements in the THz frequency range and for approbation with various diagnostic methods developed in different THz laboratories. The phantoms were represented as a pellet of human and a laboratory rat blood plasma in the diabetic and the control groups. These objects were analyzed in various laboratories, using THz pulsed spectroscopy and a high-resolution THz spectrometer based on a backward wave oscillator. The components of the dry blood plasma were identified by the detected spectral lines.","PeriodicalId":325837,"journal":{"name":"2020 International Conference Laser Optics (ICLO)","volume":"4 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-11-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"120943767","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Mode Converter Based on Tapered Insertion of Special Fiber 基于特殊光纤锥形插入的模式转换器
2020 International Conference Laser Optics (ICLO) Pub Date : 2020-11-02 DOI: 10.1109/ICLO48556.2020.9285411
O. Ivanov, D. D. Bakurov
{"title":"Mode Converter Based on Tapered Insertion of Special Fiber","authors":"O. Ivanov, D. D. Bakurov","doi":"10.1109/ICLO48556.2020.9285411","DOIUrl":"https://doi.org/10.1109/ICLO48556.2020.9285411","url":null,"abstract":"We propose to use a short fiber insertion of a special fiber between standard fibers as a mode converter, which is controlled by tapering the insertion. The special fiber has a small core or no core and excites cladding modes at the splice with the standard fiber. We have simulated and measured transmission of modes through such a fiber section. Tapering allows one to precisely control the length of special fiber insertion and adds flexibility in obtaining spectra desirable for sensing applications.","PeriodicalId":325837,"journal":{"name":"2020 International Conference Laser Optics (ICLO)","volume":"38 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-11-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121231210","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Characterization of Silicon Whispering Gallery Mode Resonator Using Self-Injection Locking Regime 利用自注入锁定机制表征硅窃窃廊模式谐振腔
2020 International Conference Laser Optics (ICLO) Pub Date : 2020-11-02 DOI: 10.1109/ICLO48556.2020.9285879
A. Shitikov, O. Benderov, N. Kondratiev, V. Lobanov, I. Bilenko
{"title":"Characterization of Silicon Whispering Gallery Mode Resonator Using Self-Injection Locking Regime","authors":"A. Shitikov, O. Benderov, N. Kondratiev, V. Lobanov, I. Bilenko","doi":"10.1109/ICLO48556.2020.9285879","DOIUrl":"https://doi.org/10.1109/ICLO48556.2020.9285879","url":null,"abstract":"We observed the self-injection locking of DFB diode laser to whispering gallery mode resonator in the mid-IR. Theory of the self-injection locking was proved to be sufficient for describing experimental results. We proposed the technique of determination in the self-injection locking regime parameters of the whispering gallery mode resonator that are important and hard to measure in such case.","PeriodicalId":325837,"journal":{"name":"2020 International Conference Laser Optics (ICLO)","volume":"30 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-11-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124944412","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Supercontinuum generation in a helical waveguide inscribed by a femtosecond laser beam in YAG crystal 飞秒激光束在YAG晶体内刻螺旋波导中超连续谱的产生
2020 International Conference Laser Optics (ICLO) Pub Date : 2020-11-02 DOI: 10.1109/iclo48556.2020.9309149
A. Okhrimchuk, V. Likhov, G. Alagashev, A. Pryamikov
{"title":"Supercontinuum generation in a helical waveguide inscribed by a femtosecond laser beam in YAG crystal","authors":"A. Okhrimchuk, V. Likhov, G. Alagashev, A. Pryamikov","doi":"10.1109/iclo48556.2020.9309149","DOIUrl":"https://doi.org/10.1109/iclo48556.2020.9309149","url":null,"abstract":"The switch on and the switch of thresholds for supercontinuum generation were observed in the helical waveguide inscribed by the femtosecond laser beam in YAG:Nd crystal.","PeriodicalId":325837,"journal":{"name":"2020 International Conference Laser Optics (ICLO)","volume":"113 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-11-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114034649","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
Applicability of the rotating wave approximation to a multilevel atomic system driven by a polychromatic field 旋转波近似在多色场驱动的多能级原子系统中的适用性
2020 International Conference Laser Optics (ICLO) Pub Date : 2020-11-02 DOI: 10.1109/ICLO48556.2020.9285532
A. Antipov, E. Borisov, N. I. Matveeva, S. Pulkin, S. Uvarova, V. Yakovleva
{"title":"Applicability of the rotating wave approximation to a multilevel atomic system driven by a polychromatic field","authors":"A. Antipov, E. Borisov, N. I. Matveeva, S. Pulkin, S. Uvarova, V. Yakovleva","doi":"10.1109/ICLO48556.2020.9285532","DOIUrl":"https://doi.org/10.1109/ICLO48556.2020.9285532","url":null,"abstract":"we study the distortions in the dispersion and absorption spectra that arise when rotating wave approximation (RWA) is applied to multilevel atomic system driven by a polychromatic field. The density matrix equations are solved numerically without applying the RWA and when using it. The obtained polarization spectra are compared with each other in terms of maximum and frequency-averaged deviations.","PeriodicalId":325837,"journal":{"name":"2020 International Conference Laser Optics (ICLO)","volume":"110 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-11-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122566219","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
The tip-tilt wave front corrector under hardware control 硬件控制下的倾斜波前校正器
2020 International Conference Laser Optics (ICLO) Pub Date : 2020-11-02 DOI: 10.1109/ICLO48556.2020.9285593
S. Khokhlov, R. Shnyagin, F. Starikov
{"title":"The tip-tilt wave front corrector under hardware control","authors":"S. Khokhlov, R. Shnyagin, F. Starikov","doi":"10.1109/ICLO48556.2020.9285593","DOIUrl":"https://doi.org/10.1109/ICLO48556.2020.9285593","url":null,"abstract":"The results of experimental works on creation of the closed-loop adaptive optical system intended for the tip-tilt wavefront correction have been described. The control unit with a high-speed microcontroller realizing the management by piezo-electrical stacked actuators of the tip-tilt corrector with the help of stochastic parallel gradient algorithm has been developed. The results of experiments on the dynamic wavefront tip-tilt correction at the system bandwidth of 2 kHz are reported. The basic characteristics of the closed-loop adaptive system are measured, its basic limitations are determined and ways of increasing its efficiency are proposed.","PeriodicalId":325837,"journal":{"name":"2020 International Conference Laser Optics (ICLO)","volume":"61 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-11-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122716770","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Mid-IR Simultaneous Lasing of Cr2+ and Fe2+ Ions at 2.4 and 4.2 µm in Cr2+,Fe2+:Zn1-x Mnx Se (x=0.05) Crystal Pumped by Er:YLF Laser at 1.73 µm Er:YLF激光泵浦Cr2+，Fe2+:Zn1-x Mnx Se (x=0.05)晶体中2.4和4.2µm Cr2+和Fe2+离子的中红外同步激光
2020 International Conference Laser Optics (ICLO) Pub Date : 2020-11-02 DOI: 10.1109/iclo48556.2020.9285787
A. Říha, M. Doroshenko, H. Jelínková, M. Němec, M. Jelínek, N. Kovalenko, I. Terzin
{"title":"Mid-IR Simultaneous Lasing of Cr2+ and Fe2+ Ions at 2.4 and 4.2 µm in Cr2+,Fe2+:Zn1-x Mnx Se (x=0.05) Crystal Pumped by Er:YLF Laser at 1.73 µm","authors":"A. Říha, M. Doroshenko, H. Jelínková, M. Němec, M. Jelínek, N. Kovalenko, I. Terzin","doi":"10.1109/iclo48556.2020.9285787","DOIUrl":"https://doi.org/10.1109/iclo48556.2020.9285787","url":null,"abstract":"We report a novel Cr<sup>2+</sup>,Fe<sup>2+</sup>:Zn<inf>1-x</inf>Mn<inf>x</inf>Se (x = 0.05) single crystal gain-switched laser simultaneous generation at two different wavelength ranges at around ~2.4 µm and ~4.2 µm. The Fe<sup>2+</sup> ions oscillation maximal mean output energy of 83 µJ at 78 K with pulse repetition rate of 1 Hz and the pulse duration of ~5.5 µs was demonstrated.","PeriodicalId":325837,"journal":{"name":"2020 International Conference Laser Optics (ICLO)","volume":"4 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-11-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122747346","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Quadratic Optical Frequency Combs: Towards a New Platform for Multi-Octave Microcombs 二次光频梳:迈向多倍频微梳的新平台
2020 International Conference Laser Optics (ICLO) Pub Date : 2020-11-02 DOI: 10.1109/ICLO48556.2020.9285526
S. Wabnitz, T. Hansson, P. Parra-Rivas, F. Leo, M. Erkintalo, S. Mosca, M. Parisi, I. Ricciardi, M. De Rosa
{"title":"Quadratic Optical Frequency Combs: Towards a New Platform for Multi-Octave Microcombs","authors":"S. Wabnitz, T. Hansson, P. Parra-Rivas, F. Leo, M. Erkintalo, S. Mosca, M. Parisi, I. Ricciardi, M. De Rosa","doi":"10.1109/ICLO48556.2020.9285526","DOIUrl":"https://doi.org/10.1109/ICLO48556.2020.9285526","url":null,"abstract":"Optical frequency comb sources based on three-wave-mixing in quadratic nonlinear materials allow for reduced pump power threshold and extended spectral coverage. We review recent progress on quadratic optical frequency combs based on second-harmonic generation and optical parametric oscillation.","PeriodicalId":325837,"journal":{"name":"2020 International Conference Laser Optics (ICLO)","volume":"23 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-11-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131251184","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","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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