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1. A 195–245 GHz Direct Up-Conversion Mixer with Wideband Active Balun

   This paper presents a sub-Terahertz modified double-balanced Gilbert mixer in 130 nm SiGe BiCMOS process. An active transconductance balun is...

   Yuhan Ding, Kailei Wang, ... Zheng Wang in Proceedings of the 5th China and International Young Scientist Terahertz Conference, Volume 1

   Conference paper 2024
   

2. Up-Conversion Films and Polymer Matrices with CsPbBr₃ Perovskite Micro and Nanostructures

   Abstract

   Up-conversion is a process that can be used for infrared laser visualization. Lead halide perovskite has a fine opportunity to be employed...

   A. S. Polushkin, S. A. Cherevkov, ... S. V. Makarov in Bulletin of the Russian Academy of Sciences: Physics

   Article 01 December 2022
   

3. CMW-UWB and MMW-UWB signal generator based on single-sideband optical up-conversion technique

   A novel centimeter-wave (CMW) and millimeter-wave (MMW) ultra-wideband (UWB) signal generator based on optical up-conversion technique is presented....

   Cong Du, Hanxiao Lu, ... Wei Dong in Optical and Quantum Electronics

   Article 07 January 2023
   

4. Line Verification in Luminescence Spectra of Fluorophosphate Glass Doped with Ytterbium and Thulium Ions by the Degree of Nonlinearity of Up-Conversion Processes

   Up-conversion luminescence (UCL) spectra of fluorophosphate glasses doped with the rare-earth ions Yb ³⁺ with concentrations of 4–10% and Tm ³⁺ with...

   M. V. Korolkov, I. A. Khodasevich, ... D. S. Mogilevtsev in Journal of Applied Spectroscopy

   Article 25 November 2023

5. Frequency Up-Conversion of an Even Coherent State

   Abstract

   The problem of transferring the state of even coherent states from a low to a high frequency is considered theoretically using a...

   A. V. Belinsky, R. Singh in Bulletin of the Russian Academy of Sciences: Physics

   Article 01 January 2024
   

6. Ca₃TeO₆:Er³⁺, Yb³⁺ up-conversion phosphors for optical temperature sensor based on FIR technique

   In recent years, the rare earth doped upconversion luminescent materials have been widely used in many fields. In practical applications, we observed...

   Shengyi Liu, Duan Gao, ... Shuo Yang in Applied Physics A

   Article 02 March 2024
   

7. A proposal for optomechanical bichromatic wavelength switching for two-color up-conversion application

   This study focuses on the Optomechanical bichromatic wavelength switching system as an indirect two-color up-conversion process that relies on...

   A. Taghizad Fanid, A. Rostami in Optical and Quantum Electronics

   Article 18 July 2022
   

8. Wideband coherent microwave conversion via magnon nonlinearity in a hybrid quantum system

   Frequency conversion is a widely realized physical process in nonlinear systems of optics and electronics. As an emerging nonlinear platform,...

   Jiahao Wu, Jiacheng Liu, ... Sen Yang in npj Spintronics

   Article Open access 02 July 2024
   

9. Study of the up/down-conversion green luminescence of BaWO₄: Er³⁺ phosphors for non-contact temperature sensing and solid-state lighting applications

   The reported article covers the down-conversion (DC) and up-conversion (UC) photoluminescence properties of BaWO ₄ (BWO): Er ³⁺ phosphors, prepared via...

   Ram Gopal, Jairam Manam in Applied Physics A

   Article 12 August 2022
   

10. Radiative Properties of Up-Conversion Coatings Formed on the Basis of Erbium-Doped Barium Titanate Xerogels

    Abstract

    The Stokes and anti-Stokes luminescence of erbium in sol–gel-derived barium-titanate xerogels (BaTiO ₃ :Er) and BaTiO ₃ /SiO ₂ multilayer...

    N. V. Gaponenko, Yu. D. Karnilava, ... D. S. Reddy in Semiconductors

    Article 01 September 2021
    

11. Temperature Phase-Matching Width for Frequency Conversion in a BBO Crystal

    Abstract

    We report results of theoretical studies, showing that in a BBO crystal there are directions with temperature-noncritical interactions for...

    S. G. Grechin, I. A. Murav’ev, D. G. Kochiev in Bulletin of the Lebedev Physics Institute

    Article 14 December 2023
    

12. Proceedings of the 4th International Symposium on Plasma and Energy Conversion ISPEC 2022, 14-16 Oct, Foshan, China

    These proceedings highlight the fundamental researches and up-to-data developments on energy conversion and high-voltage application by means of low...

    Dong Dai, Cheng Zhang, ... **npei Lu

    Conference proceedings 2023
    

13. Efficient conversion of acoustic vortex using extremely anisotropic metasurface

    Vortex wave and plane wave, as two most fundamental forms of wave propagation, are widely applied in various research fields. However, there is...

    Zhanlei Hao, Haojie Chen, ... Huanyang Chen in Frontiers of Physics

    Article 05 January 2024
    

14. Gamma-Rayand Conversion-Electron Spectroscopyof Exotic Heavy Nuclei

    The main principles of gamma-ray and conversion-electron spectrometry are discussed. Examples are presented where tagging methods are employed in...

    Rauno Julin in The Euroschool Lectures on Physics with Exotic Beams, Vol. I

    Chapter
    

15. Experimental Study on Catalytic Conversion of Ortho and Para Hydrogen

    In this paper, the experimental research on high-efficiency ortho-para (O-P) hydrogen conversion is carried out. By designing and building a...

    Juntao Fu, Jianlu Zhu, ... Hui Han in Journal of Low Temperature Physics

    Article 07 April 2024
    

16. Nonlinear Up- and Down-Conversion in AlGaAs Microdisks Integrated in a Photonic Circuit

    We report on the integration of AlGaAs whispering-gallery mode microdisks into a monolithic photonic chip as a platform for frequency conversion and...

    Adrien Borne, Iännis Roland, ... Giuseppe Leo in Light-Matter Interactions Towards the Nanoscale

    Conference paper 2022
    

17. Effects of finite material size on axion-magnon conversion

    Magnetic materials are particularly favorable targets for detecting axions interacting with electrons because the collective excitation of electron...

    So Chigusa, Asuka Ito, ... Volodymyr Takhistov in Journal of High Energy Physics

    Article Open access 30 January 2024

18. Up-Conversion Behavior of Er³⁺/Yb³⁺-Activated Gd₂O₃ Phosphor for Magnetic Resonance Application

    We present new aspects of erbium- or ytterbium-doped pure gadolinium oxide (Gd ₂ O ₃ :Er ³⁺ /Yb ³⁺ ) as a suitable candidate for drug delivery and magnetic...

    Praveen Kumar Yadaw, J. Mitrić, ... Ravindranadh Koutavarapu in Journal of Applied Spectroscopy

    Article 05 July 2024

19. Surpassing the nonlinear conversion efficiency of soliton microcombs

    Laser frequency combs are enabling some of the most exciting scientific endeavours in the twenty-first century, ranging from the development of...

    Óskar B. Helgason, Marcello Girardi, ... Victor Torres-Company in Nature Photonics

    Article Open access 31 August 2023
    

20. Atmospheric Pressure Pulsed Discharge Plasmas for Energy Conversion

    Charactered by high power density, high electric field strength and high active particles, atmospheric pressure pulsed discharge plasmas and their...

    Shuai Zhang, **n Zeng, Tao Shao in Pulsed Discharge Plasmas

    Chapter 2023