scholarly journals Tunable Solid-state Laser. Present and Future Prospects of Semiconductor Short Wavelength Light Emitters.

1995 ◽  
Vol 23 (10) ◽  
pp. 874-879
Author(s):  
Isamu AKASAKI ◽  
Hiroshi AMANO
Keyword(s):  
Solid State ◽  
Short Wavelength ◽  
Solid State Laser ◽  
Future Prospects ◽  
Light Emitters ◽  
State Laser ◽  
Short Wavelength Light ◽  
Wavelength Light

Growth mechanism of selectively grown II–VI semiconductor photonic dots for short-wavelength light emitters

2000 ◽  
Vol 221 (1-4) ◽  
pp. 425-430 ◽  
Author(s):  
A. Ueta ◽  
T. Shimozawa ◽  
A. Avramescu ◽  
I. Suemune ◽  
H. Machida ◽  
...  
Keyword(s):  
Growth Mechanism ◽  
Short Wavelength ◽  
Light Emitters ◽  
Short Wavelength Light ◽  
Wavelength Light

Nucleation and Faceting in Selectively Grown ZnS Pyramidal Dot Array for Short-Wavelength Light Emitters

1999 ◽  
Vol 38 (Part 2, No. 7A) ◽  
pp. L710-L713 ◽  
Author(s):  
Akio Ueta ◽  
Adrian Avramescu ◽  
Ikuo Suemune ◽  
Hideaki Machida ◽  
Norio Shimoyama
Keyword(s):  
Short Wavelength ◽  
Light Emitters ◽  
Short Wavelength Light ◽  
Wavelength Light

Hydrothermal Synthesis and Solid-State Laser Refrigeration of Ytterbium-Doped Potassium Lutetium Fluoride (KLF) Microcrystals

2020 ◽  
Author(s):  
Xiaojing Xia ◽  
Anupum Pant ◽  
Xuezhe Zhou ◽  
Elena Dobretsova ◽  
Alex Bard ◽  
...  
Keyword(s):  
Hydrothermal Synthesis ◽  
Solid State ◽  
Information Science ◽  
Point Group ◽  
Solid State Laser ◽  
Lanthanide Ions ◽  
Group Symmetry ◽  
Luminescence Spectra ◽  
Crystalline Phases ◽  
State Laser

Fluoride crystals, due to their low phonon energies, are attractive hosts of trivalent lanthanide ions for applications in upconverting phosphors, quantum information science, and solid-state laser refrigeration. In this article, we report the rapid, low-cost hydrothermal synthesis of potassium lutetium fluoride (KLF) microcrystals for applications in solid-state laser refrigeration. Four crystalline phases were synthesized, namely orthorhombic K<sub>2</sub>LuF<sub>5</sub> (Pnma), trigonal KLuF<sub>4</sub> (P3<sub>1</sub>21), orthorhombic KLu<sub>2</sub>F<sub>7</sub> (Pna2<sub>1</sub>), and cubic KLu<sub>3</sub>F<sub>10</sub> (Fm3m), with each phase exhibiting unique microcrystalline morphologies. Luminescence spectra and emission lifetimes of the four crystalline phases were characterized based on the point-group symmetry of trivalent cations. Laser refrigeration was measured by observing both the optomechanical eigenfrequencies of microcrystals on cantilevers in vacuum, and also the Brownian dynamics of optically trapped microcrystals in water. Among all four crystalline phases, the most significant cooling was observed for 10%Yb:KLuF<sub>4</sub> with cooling of 8.6 $\pm$ 2.1 K below room temperature. Reduced heating was observed with 10%Yb:K<sub>2</sub>LuF<sub>5</sub>

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