Photonic nanostructures have achieved nanoscale optical field modulation and ultra-low refractive index effects that traditional thin film materials cannot reach, providing a new direction for optical management and carrier management of photovoltaic devices. Dielectric nanostructures can reduce the surface light reflection of photovoltaic devices, similar to traditional antireflection films. Therefore, dielectric nanostructures are usually equivalent to the equivalent refractive index theory at the macro level. However, the macroscopic refractive index equivalent cannot reflect the manipulation ability of nanoscale light fields, and the influence of the nanoscale light field distribution on the photo-carrier generation and transport is usually ignored. Here, we introduce the self-assembly process of dielectric nanostructures on photovoltaic devices, which may lead to the controllable assembly of the density and number of layers on polycrystalline silicon solar cells. Based on this strategy, we investigate the enhancement effect of SiO2 nanosphere coating on textured silicon solar cells by systematically changing assembly conditions. Research has found that tightly packed SiO2 nanosphere monolayers generate a maximum relative efficiency improvement of 9.35%. This efficiency increase is attributed to the simultaneous enhancement of short-circuit current density and fill factor, which is different from the antireflection effect reported previously. Further, through semiconductor simulations, we theoretically analyzed the impact of nanoscale light focusing on the performance of photovoltaic devices. We explored the reasons for the changes in photocurrent, fill factor, and efficiency, providing ideas for more efficient nanoscale light focusing design and improving the performance of photovoltaic devices in the future.
{"title":"Nanoscale light focusing of colloidal nanostructures for enhanced silicon solar cells","authors":"Dan Su, Nan-Xi Jin, Tong Zhang","doi":"10.1117/12.2686962","DOIUrl":"https://doi.org/10.1117/12.2686962","url":null,"abstract":"Photonic nanostructures have achieved nanoscale optical field modulation and ultra-low refractive index effects that traditional thin film materials cannot reach, providing a new direction for optical management and carrier management of photovoltaic devices. Dielectric nanostructures can reduce the surface light reflection of photovoltaic devices, similar to traditional antireflection films. Therefore, dielectric nanostructures are usually equivalent to the equivalent refractive index theory at the macro level. However, the macroscopic refractive index equivalent cannot reflect the manipulation ability of nanoscale light fields, and the influence of the nanoscale light field distribution on the photo-carrier generation and transport is usually ignored. Here, we introduce the self-assembly process of dielectric nanostructures on photovoltaic devices, which may lead to the controllable assembly of the density and number of layers on polycrystalline silicon solar cells. Based on this strategy, we investigate the enhancement effect of SiO2 nanosphere coating on textured silicon solar cells by systematically changing assembly conditions. Research has found that tightly packed SiO2 nanosphere monolayers generate a maximum relative efficiency improvement of 9.35%. This efficiency increase is attributed to the simultaneous enhancement of short-circuit current density and fill factor, which is different from the antireflection effect reported previously. Further, through semiconductor simulations, we theoretically analyzed the impact of nanoscale light focusing on the performance of photovoltaic devices. We explored the reasons for the changes in photocurrent, fill factor, and efficiency, providing ideas for more efficient nanoscale light focusing design and improving the performance of photovoltaic devices in the future.","PeriodicalId":149506,"journal":{"name":"SPIE/COS Photonics Asia","volume":"24 1","pages":"127630I - 127630I-6"},"PeriodicalIF":0.0,"publicationDate":"2023-11-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139221716","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}
E. Ageev, S. Koromyslov, M.A. Gremilov, Van A. Gulinian, Dmitry A. Zuev
We demonstrate the creation of hybrid metal-dielectric nanostructures (NPs) using femtosecond-laser exposure of copper-silicon and gold-silicon films. The formation of arrays of nanoparticles takes place in the process of irradiation of a bilayer film along a circular trajectory. The internal structure of the obtained NPs was studied by means of transmission scanning electron microscopy and energy-dispersive X-ray spectroscopy. The resulting hybrid structures represent a mixture of gold and silicon, and both considered systems demonstrate broadband photoluminescence in the range of 450 - 900 nm with a quantum efficiency of up to 1.1%.
我们展示了利用飞秒激光照射铜-硅和金-硅薄膜所产生的金属-介电混合纳米结构（NPs）。纳米粒子阵列是在双层薄膜沿圆形轨迹照射的过程中形成的。通过透射扫描电子显微镜和能量色散 X 射线光谱法研究了所获得的纳米粒子的内部结构。所得到的混合结构代表了金和硅的混合物，这两种系统都在 450 - 900 纳米范围内显示出宽带光致发光，量子效率高达 1.1%。
{"title":"Internal structure and quantum efficiency of hybrid metal-dielectric nanoparticles fabricated by femtosecond laser exposure of bi-layer film","authors":"E. Ageev, S. Koromyslov, M.A. Gremilov, Van A. Gulinian, Dmitry A. Zuev","doi":"10.1117/12.2688987","DOIUrl":"https://doi.org/10.1117/12.2688987","url":null,"abstract":"We demonstrate the creation of hybrid metal-dielectric nanostructures (NPs) using femtosecond-laser exposure of copper-silicon and gold-silicon films. The formation of arrays of nanoparticles takes place in the process of irradiation of a bilayer film along a circular trajectory. The internal structure of the obtained NPs was studied by means of transmission scanning electron microscopy and energy-dispersive X-ray spectroscopy. The resulting hybrid structures represent a mixture of gold and silicon, and both considered systems demonstrate broadband photoluminescence in the range of 450 - 900 nm with a quantum efficiency of up to 1.1%.","PeriodicalId":149506,"journal":{"name":"SPIE/COS Photonics Asia","volume":"45 1","pages":"127730L - 127730L-6"},"PeriodicalIF":0.0,"publicationDate":"2023-11-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139223862","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}
Freeform optics offers advantages over sphere and asphere in Aberration correction, volume saving, and imaging performance improving. Freeforms are essential components in many optical systems such as augmented reality head mounted display, automotive augmented reality head up display, LiDAR system, smartphone camera, high performance lithography system, and etc. This paper will show and discuss several designs or applications of freeform optics. The applications of freeforms in more systems would be the focus in the next work.
{"title":"Freeform optics in applications such as AR-HMD, automotive AR-HUD, and TMA telescope","authors":"Bo Chen, Chaoyang Wei, Jianda Shao","doi":"10.1117/12.2689331","DOIUrl":"https://doi.org/10.1117/12.2689331","url":null,"abstract":"Freeform optics offers advantages over sphere and asphere in Aberration correction, volume saving, and imaging performance improving. Freeforms are essential components in many optical systems such as augmented reality head mounted display, automotive augmented reality head up display, LiDAR system, smartphone camera, high performance lithography system, and etc. This paper will show and discuss several designs or applications of freeform optics. The applications of freeforms in more systems would be the focus in the next work.","PeriodicalId":149506,"journal":{"name":"SPIE/COS Photonics Asia","volume":"176 1","pages":"127650I - 127650I-4"},"PeriodicalIF":0.0,"publicationDate":"2023-11-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139222346","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}
Shuojian Zhang, Yimin Xia, Jialin Cheng, Jianjun He
Silicon-organic hybrid (SOH) modulators are promising as they have large bandwidth, high modulation efficiency and low optical loss. In this paper, we present the optical and electrical design and simulation of a high-speed travelling wave SOH modulator with multiple interplay parameters. We also implement the electro-optical co-optimization to delve into the influence of the key design parameters and propose the design guideline. The results demonstrate a modulator with 3 dB bandwidth of 72 GHz, modulation efficiency of 1.26 Vmm and optical loss less than 1 dB.
{"title":"Design and electro-optical co-optimization of high-speed travelling wave silicon-organic hybrid modulators","authors":"Shuojian Zhang, Yimin Xia, Jialin Cheng, Jianjun He","doi":"10.1117/12.2686639","DOIUrl":"https://doi.org/10.1117/12.2686639","url":null,"abstract":"Silicon-organic hybrid (SOH) modulators are promising as they have large bandwidth, high modulation efficiency and low optical loss. In this paper, we present the optical and electrical design and simulation of a high-speed travelling wave SOH modulator with multiple interplay parameters. We also implement the electro-optical co-optimization to delve into the influence of the key design parameters and propose the design guideline. The results demonstrate a modulator with 3 dB bandwidth of 72 GHz, modulation efficiency of 1.26 Vmm and optical loss less than 1 dB.","PeriodicalId":149506,"journal":{"name":"SPIE/COS Photonics Asia","volume":"27 1","pages":"1276415 - 1276415-8"},"PeriodicalIF":0.0,"publicationDate":"2023-11-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139223841","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}
Traditional phase retrieval methods for Ronchi lateral shearing interferometry eliminate the impact of high diffraction orders by increasing the number of phase-shifting interferograms, however, this introduces additional error in the phase-shifting process. We propose an optimization method combining a 2-frame phase-shifting algorithm to achieve accurate wavefront reconstruction. A numerical model matching the physical model is constructed and the cross-iterative gradient descent method is used to optimize the initial results obtained by the two-step phase-shifting method. The accuracy and robustness of the method are verified by simulations and experiments. The proposed method has the advantages of achieving high-precision wavefront reconstruction and correcting the phase-shifting errors, and it significantly simplifies the process of phase shift.
{"title":"Wavefront reconstruction for double-grating Ronchi lateral shearing interferometry with nonlinear optimization","authors":"Runzhou Shi, Huiwen Liu, Yuqi Shao, Jian Bai","doi":"10.1117/12.2688489","DOIUrl":"https://doi.org/10.1117/12.2688489","url":null,"abstract":"Traditional phase retrieval methods for Ronchi lateral shearing interferometry eliminate the impact of high diffraction orders by increasing the number of phase-shifting interferograms, however, this introduces additional error in the phase-shifting process. We propose an optimization method combining a 2-frame phase-shifting algorithm to achieve accurate wavefront reconstruction. A numerical model matching the physical model is constructed and the cross-iterative gradient descent method is used to optimize the initial results obtained by the two-step phase-shifting method. The accuracy and robustness of the method are verified by simulations and experiments. The proposed method has the advantages of achieving high-precision wavefront reconstruction and correcting the phase-shifting errors, and it significantly simplifies the process of phase shift.","PeriodicalId":149506,"journal":{"name":"SPIE/COS Photonics Asia","volume":"1 1","pages":"127650S - 127650S-7"},"PeriodicalIF":0.0,"publicationDate":"2023-11-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139224808","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}
Ekaterina A. Efremova, Uliana V. Prokhorova, E. Shalymov, V. Shoev, Vasiliy A. Stolyarov, Maxim A. Nevzorov, Vladimir Y. Venediktov
The use of metasurfaces as scales of optical rotation angle sensors (encoders) makes it possible to reduce their overall dimensions by several orders of magnitude. The paper briefly discusses one of the possible options for implementing a rotation angle sensor with a scale from a metasurface. As a scale it is proposed to use a metasurface – a dielectric onedimensional subwavelength array designed to operate in the infrared spectral range (at a wavelength of 1.5 microns). By the finite element method, a prototype of an optical angular scale from a metasurface has been developed by computer modeling. The results of an experimental study of a prototype of an optical angular scale from a metasurface are presented. The metasurface was made of tantalum oxide and deposited on a quartz glass substrate. For the convenience of the study, the size of the scales was set to 400 × 400 microns, but if necessary, it can be reduced by more than an order of magnitude. The dependences of the transmission spectra of the prototype scale on its rotation angle are experimentally investigated.
{"title":"Prototype of a metasurface scale for an optical rotation angle sensor","authors":"Ekaterina A. Efremova, Uliana V. Prokhorova, E. Shalymov, V. Shoev, Vasiliy A. Stolyarov, Maxim A. Nevzorov, Vladimir Y. Venediktov","doi":"10.1117/12.2686514","DOIUrl":"https://doi.org/10.1117/12.2686514","url":null,"abstract":"The use of metasurfaces as scales of optical rotation angle sensors (encoders) makes it possible to reduce their overall dimensions by several orders of magnitude. The paper briefly discusses one of the possible options for implementing a rotation angle sensor with a scale from a metasurface. As a scale it is proposed to use a metasurface – a dielectric onedimensional subwavelength array designed to operate in the infrared spectral range (at a wavelength of 1.5 microns). By the finite element method, a prototype of an optical angular scale from a metasurface has been developed by computer modeling. The results of an experimental study of a prototype of an optical angular scale from a metasurface are presented. The metasurface was made of tantalum oxide and deposited on a quartz glass substrate. For the convenience of the study, the size of the scales was set to 400 × 400 microns, but if necessary, it can be reduced by more than an order of magnitude. The dependences of the transmission spectra of the prototype scale on its rotation angle are experimentally investigated.","PeriodicalId":149506,"journal":{"name":"SPIE/COS Photonics Asia","volume":"56 1","pages":"1277307 - 1277307-10"},"PeriodicalIF":0.0,"publicationDate":"2023-11-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139218118","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}
We present a varifocal near-eye-display with large eyebox and vision correction capability. The proposed scheme uses a dihedral corner reflector array (DCRA) and a varifocal lens. The DCRA forms a real image of the varifocal lens onto the eye pupil plane, creating larger eyebox than the conventional system at the same varifocal lens aperture size. The vision correcting optics can be placed at the side of the eye, clearing the space between the eye and the optical combiner. Detailed system configuration and the experimental results will be introduced in the presentation.
{"title":"Eyebox expansion and vision correction for varifocal near-eye-display","authors":"Jae-Hyeung Park, Jiyun Han, Woongseob Han","doi":"10.1117/12.2687517","DOIUrl":"https://doi.org/10.1117/12.2687517","url":null,"abstract":"We present a varifocal near-eye-display with large eyebox and vision correction capability. The proposed scheme uses a dihedral corner reflector array (DCRA) and a varifocal lens. The DCRA forms a real image of the varifocal lens onto the eye pupil plane, creating larger eyebox than the conventional system at the same varifocal lens aperture size. The vision correcting optics can be placed at the side of the eye, clearing the space between the eye and the optical combiner. Detailed system configuration and the experimental results will be introduced in the presentation.","PeriodicalId":149506,"journal":{"name":"SPIE/COS Photonics Asia","volume":"31 1","pages":"1276506 - 1276506-2"},"PeriodicalIF":0.0,"publicationDate":"2023-11-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139225073","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}
Tao Guo, Chuanyi Tao, Zhengquan Qian, Fuxiang Peng, Jingke Li, Ping Su, Cheng Feng, Pinsheng Huang
Due to the wave nature of light and the influence of optical material properties, the design and performance of photonic circuits can be relatively complex. While computer-aided software tools such as CAD can improve the efficiency of photonic circuit development, they still face challenges in handling large-scale photonic integrated circuit (PIC) designs. In this paper, we develop a photonics design automation tool, called GT Photonics, which provides a flexible development environment capable of handling large-scale PIC designs. The GT Photonics platform integrates multiple high-performance photonic devices, including passive and active components, and allows users to freely develop and adjust the parameters of individual photonic devices. To enhance development efficiency, the platform offers various design methods, modular development, parameter unit reuse, customizability, and intelligent routing capabilities. These features streamline the development of complex photonic integrated circuits. To facilitate development, the platform defines a netlist view to record photonic device information and employs visual design methods for circuit visualization. Once the design is completed, the photonic circuit can be exported as a Graphic Data System version 2 (GDSII) file for performance simulation and validation. This article presents a case study involving the design of an optical phased array (OPA) using the GT Photonics platform. The case study encompasses the design process, design outcomes, and various design details. Photonic design automation holds significant importance for engineering and research endeavors.
{"title":"Flexible and scalable automation development tool for large-scale photonic integrated circuit design","authors":"Tao Guo, Chuanyi Tao, Zhengquan Qian, Fuxiang Peng, Jingke Li, Ping Su, Cheng Feng, Pinsheng Huang","doi":"10.1117/12.2687436","DOIUrl":"https://doi.org/10.1117/12.2687436","url":null,"abstract":"Due to the wave nature of light and the influence of optical material properties, the design and performance of photonic circuits can be relatively complex. While computer-aided software tools such as CAD can improve the efficiency of photonic circuit development, they still face challenges in handling large-scale photonic integrated circuit (PIC) designs. In this paper, we develop a photonics design automation tool, called GT Photonics, which provides a flexible development environment capable of handling large-scale PIC designs. The GT Photonics platform integrates multiple high-performance photonic devices, including passive and active components, and allows users to freely develop and adjust the parameters of individual photonic devices. To enhance development efficiency, the platform offers various design methods, modular development, parameter unit reuse, customizability, and intelligent routing capabilities. These features streamline the development of complex photonic integrated circuits. To facilitate development, the platform defines a netlist view to record photonic device information and employs visual design methods for circuit visualization. Once the design is completed, the photonic circuit can be exported as a Graphic Data System version 2 (GDSII) file for performance simulation and validation. This article presents a case study involving the design of an optical phased array (OPA) using the GT Photonics platform. The case study encompasses the design process, design outcomes, and various design details. Photonic design automation holds significant importance for engineering and research endeavors.","PeriodicalId":149506,"journal":{"name":"SPIE/COS Photonics Asia","volume":"49 1","pages":"1276411 - 1276411-6"},"PeriodicalIF":0.0,"publicationDate":"2023-11-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139225992","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}
Chirality is a typical phenomenon in nature that has significant optical research and practical applications. But natural chiral materials typically exhibit a weak chiral response, making it challenging to detect them with great sensitivity. Chiral metasurfaces can greatly increase circular dichroism (CD), efficiently improve the interaction between light and chiral molecules, and enhance chiral sensing. Additionally, combining bound states in the continuum (BIC) to excite numerous high-Q-factor Fano resonances is a useful strategy for enhancing sensing performance in all-dielectric metasurfaces. With its extremely small linewidth and exceptionally high Q value, the Fano resonance created by the quasi-BIC mode can significantly boost the performance of the refractive index sensor. In this study, we combine BIC with chirality, break the structure's mirror and inversion symmetry to construct a chiral all-dielectric metasurface structure based on BIC. Fano resonances with simultaneously high Q value and strong CD are achieved for the chiral optical response. Meanwhile, we investigate its sensing properties to obtain high sensitivity and figure of merit (FOM) for refractive index sensing performance. Our research offers suggestions for applications such as the identification and separation of chiral biological substances.
{"title":"Chiral metasurface sensing performance analysis based on bound states in the continuum","authors":"Peipei Wang, Fengshi Wu, Tonggang Zhao","doi":"10.1117/12.2687506","DOIUrl":"https://doi.org/10.1117/12.2687506","url":null,"abstract":"Chirality is a typical phenomenon in nature that has significant optical research and practical applications. But natural chiral materials typically exhibit a weak chiral response, making it challenging to detect them with great sensitivity. Chiral metasurfaces can greatly increase circular dichroism (CD), efficiently improve the interaction between light and chiral molecules, and enhance chiral sensing. Additionally, combining bound states in the continuum (BIC) to excite numerous high-Q-factor Fano resonances is a useful strategy for enhancing sensing performance in all-dielectric metasurfaces. With its extremely small linewidth and exceptionally high Q value, the Fano resonance created by the quasi-BIC mode can significantly boost the performance of the refractive index sensor. In this study, we combine BIC with chirality, break the structure's mirror and inversion symmetry to construct a chiral all-dielectric metasurface structure based on BIC. Fano resonances with simultaneously high Q value and strong CD are achieved for the chiral optical response. Meanwhile, we investigate its sensing properties to obtain high sensitivity and figure of merit (FOM) for refractive index sensing performance. Our research offers suggestions for applications such as the identification and separation of chiral biological substances.","PeriodicalId":149506,"journal":{"name":"SPIE/COS Photonics Asia","volume":"60 1","pages":"127730B - 127730B-6"},"PeriodicalIF":0.0,"publicationDate":"2023-11-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139227954","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}
Nikolai Zhestkij, Anastasia Efimova, Yuliya A. Kenzhebayeva, Sergey A. Shipilovskih, Valentin A. Milichko
The integration of metal-organic frameworks (MOFs) as coordination polymers into the field of nonlinear optics and light conversion has recently attracted significant attention. However, the challenge of achieving high endurance and efficiency for light conversion throughout the entire visible range using a single MOF crystal persists. In this work, we present the design of a non-centrosymmetric MOF based on a 1,3,5-benzenetricarboxylic acid ligand and Erbium (Er) ions, which demonstrates efficient and simultaneous generation of multiple second and third optical harmonics (SHG, THG) across a wavelength range of 400 to 750 nm. Through a combination of optical experiments we have confirmed the effectiveness of SHG and THG in the MOF single crystals. These phenomena are caused by the specific MOF space group and the associated dipole moment. The observation of coherent light conversion throughout the entire visible range by MOF single crystals under ambient conditions enables the realization of multicolor (up to 3) emission, which is essential for modern laser technologies.
{"title":"Metal-organic frameworks as competitive non-linear optical materials: light conversion and structural modification","authors":"Nikolai Zhestkij, Anastasia Efimova, Yuliya A. Kenzhebayeva, Sergey A. Shipilovskih, Valentin A. Milichko","doi":"10.1117/12.2691151","DOIUrl":"https://doi.org/10.1117/12.2691151","url":null,"abstract":"The integration of metal-organic frameworks (MOFs) as coordination polymers into the field of nonlinear optics and light conversion has recently attracted significant attention. However, the challenge of achieving high endurance and efficiency for light conversion throughout the entire visible range using a single MOF crystal persists. In this work, we present the design of a non-centrosymmetric MOF based on a 1,3,5-benzenetricarboxylic acid ligand and Erbium (Er) ions, which demonstrates efficient and simultaneous generation of multiple second and third optical harmonics (SHG, THG) across a wavelength range of 400 to 750 nm. Through a combination of optical experiments we have confirmed the effectiveness of SHG and THG in the MOF single crystals. These phenomena are caused by the specific MOF space group and the associated dipole moment. The observation of coherent light conversion throughout the entire visible range by MOF single crystals under ambient conditions enables the realization of multicolor (up to 3) emission, which is essential for modern laser technologies.","PeriodicalId":149506,"journal":{"name":"SPIE/COS Photonics Asia","volume":"32 1","pages":"127730R - 127730R-6"},"PeriodicalIF":0.0,"publicationDate":"2023-11-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139227958","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}
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