scholarly journals Enhanced efficiency in 808 nm GaAs laser power converters via gradient doping

AIP Advances ◽  
2019 ◽  
Vol 9 (10) ◽  
pp. 105206 ◽  
Author(s):  
Yingjie Zhao ◽  
Peng Liang ◽  
Huixue Ren ◽  
Peide Han
Keyword(s):  
Laser Power ◽  
Power Converters ◽  
Gaas Laser

Energy band adjustment of 808 nm GaAs laser power converters via gradient doping

2021 ◽  
Vol 42 (3) ◽  
pp. 032701
Author(s):  
Yingjie Zhao ◽  
Shan Li ◽  
Huixue Ren ◽  
Shaojie Li ◽  
Peide Han
Keyword(s):  
Energy Band ◽  
Laser Power ◽  
Power Converters ◽  
Band Adjustment ◽  
Gaas Laser

scholarly journals Comparison of measured performance and theoretical limits of gaas laser power converters under monochromatic light

2017 ◽  
Vol 30 (1) ◽  
pp. 93-106 ◽  
Author(s):  
Rok Kimovec ◽  
Marko Topic
Keyword(s):  
Conversion Efficiency ◽  
Laser Power ◽  
Power Converters ◽  
Incident Light ◽  
Monochromatic Light ◽  
Detailed Balance ◽  
Limit Values ◽  
Central Wavelength ◽  
Theoretical Maximum ◽  
Gaas Laser

Evaluation of GaAs laser power converters (LPC) is reported in light of theoretical maximum limits calculated with detailed balance method as proposed by Shockley and Queisser (SQ). Calculations were done for three different theoretical structures of LPCs homogeneously illuminated by monochromatic light. Effects of LPC thickness, central wavelength of a monochromatic light source and various irradiance levels are discussed. Reflection of incident light from the interface between air and GaAs is calculated and countermeasures in the form of single and double layer anti reflection coatings are theoretically studied. Measurements of single junction, single segment GaAs LPC illuminated by monochromatic light with central wavelength ?0 = 808 nm are presented and compared with the theoretical maximum values. The conversion efficiency ?meas = 54,4 % was measured for GaAs LPC illuminated with power density of monochromatic light pillum = 14,3 W/cm2 at the temperature of the LPC casing T = 302 K. For the same parameters conversion efficiency ?SQ = 76,6 % was calculated resulting in utilization ratio ?meas/?SQ=0,71. Measured Jsc and Voc achieve 88,5 % and 89,2 % of theoretically calculated SQ limit values.

AlGaAs gradient waveguides for vertical p/n junction GaAs laser power converters

2021 ◽  
Vol 136 ◽  
pp. 106735
Author(s):  
Alexander Panchak ◽  
Vladimir Khvostikov ◽  
Pavel Pokrovskiy
Keyword(s):  
Laser Power ◽  
Power Converters ◽  
Gaas Laser

Intrinsic losses in photovoltaic laser power converters

2021 ◽  
Vol 118 (10) ◽  
pp. 104103
Author(s):  
Minshen Lin ◽  
Wei E. I. Sha ◽  
Wenxing Zhong ◽  
Dehong Xu
Keyword(s):  
Laser Power ◽  
Power Converters

scholarly journals InGaAs metamorphic laser power converters with distributed Bragg reflector for wavelength range λ=1 – 1.1 µm

2020 ◽  
Author(s):  
Nikolay A. Kalyuzhnyy ◽  
Viktor M. Emelyanov ◽  
Sergey A. Mintairov ◽  
Mariia V. Nahimovich ◽  
Roman A. Salii ◽  
...  
Keyword(s):  
Wavelength Range ◽  
Laser Power ◽  
Power Converters ◽  
Bragg Reflector ◽  
Distributed Bragg Reflector

scholarly journals Performance of InGaAs metamorphic laser power converters at different conditions

2019 ◽  
Vol 1410 ◽  
pp. 012094
Author(s):  
N A Kalyuzhnyy ◽  
V V Evstropov ◽  
SA Mintairov ◽  
MA Mintairov ◽  
R A Salii ◽  
...  
Keyword(s):  
Laser Power ◽  
Power Converters

scholarly journals Integrated series/parallel connection for photovoltaic laser power converters with optimized current matching

2020 ◽  
Author(s):  
Lukas Wagner ◽  
Sebastian Kasimir Reichmuth ◽  
Simon P. Philipps ◽  
Eduard Oliva ◽  
Andreas W. Bett ◽  
...  
Keyword(s):  
Laser Power ◽  
Power Converters ◽  
Parallel Connection ◽  
Current Matching

Characterizations of high-voltage vertically-stacked GaAs laser power converter

2018 ◽  
Vol 39 (9) ◽  
pp. 094006 ◽  
Author(s):  
Jie Huang ◽  
Yurun Sun ◽  
Yongming Zhao ◽  
Shuzhen Yu ◽  
Kuilong Li ◽  
...  
Keyword(s):  
High Voltage ◽  
Laser Power ◽  
Power Converter ◽  
Gaas Laser

Theoretical Analysis of Prospects of Organic Photovoltaics as a Multi-Functional Solar Cell and Laser Power Converter for Wireless Power Transfer

2020 ◽  
Vol 20 (8) ◽  
pp. 4878-4883
Author(s):  
Premkumar Vincent ◽  
Jaewon Jang ◽  
In Man Kang ◽  
Philippe Lang ◽  
Hyeok Kim ◽  
...  
Keyword(s):  
Laser Power ◽  
Power Converters ◽  
Power Conversion ◽  
Wireless Power Transfer ◽  
Power Converter ◽  
Potential Candidate ◽  
Power Transfer ◽  
Wireless Power ◽  
Power Harvesting ◽  
Single Junction

Few reports have researched on utilization of laser power conversion systems for wireless power transfer in aeronautical applications. III–V compound semiconductors are commonly used as photovoltaic (PV) power converters in the previous studies. We propose the prospects of using organic absorbers as PV power converters. For laser power conversion to be applied for portable devices, the PV module should be easily processable, thin, low-weight, and printable on flexible substrates. Organic PVs provide all the above advantages, and thus, could serve as a potential candidate for laser power harvesting applications. Moreover, they can also be made transparent, which could be utilized in power harvesting lamination coatings and windows. We had simulated the possibility of using single-junction and tandem photovoltaic structures for 670 nm and 850 nm laser power harvesting. FDTD simulations were conducted to optimize the PV structure in order to maximize the absorption at the laser wavelengths. A maximum PCE of 16.17% for single-junction PV and 24.85% for tandem PV was theoretically obtained.

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