Color-Tuned, Highly Emissive Dicyanodistyrylbenzene Single Crystals: Manipulating Intermolecular Stacking Interactions for Spontaneous and Stimulated Emission Characteristics

2013 ◽  
Vol 1 (3) ◽  
pp. 232-237 ◽  
Author(s):  
Seong-Jun Yoon ◽  
Shinto Varghese ◽  
Sang Kyu Park ◽  
Reinhold Wannemacher ◽  
Johannes Gierschner ◽  
...  
Keyword(s):  
Single Crystals ◽  
Stimulated Emission ◽  
Emission Characteristics ◽  
Stacking Interactions

Light Emission Properties of GaN-Based Double Heterostructures and Quantum Wells

1995 ◽  
Vol 395 ◽  
Author(s):  
D.A.S. Loeber ◽  
J.M. Redwing ◽  
N.G. Anderson ◽  
M.A. Tischler
Keyword(s):  
Quantum Well ◽  
Quantum Wells ◽  
Stimulated Emission ◽  
Pump Light ◽  
Band Edge Emission ◽  
Emission Characteristics ◽  
Nitrogen Laser ◽  
Edge Emission ◽  
Edge Luminescence ◽  
Double Heterostructures

ABSTRACTEdge emission characteristics of optically pumped GaN-AlGaN double heterostructures and quantum wells are examined. The samples, which were grown by metalorganic vapor phase epitaxy, are photoexcited with light from a pulsed nitrogen laser. The pump light is focused to a narrow stripe on the sample surface, oriented perpendicular to a cleaved edge, and the edge luminescence is collected and analyzed. We first compare emission characteristics of highly excited GaN-AlGaN double heterostructures grown simultaneously on SiC and sapphire substrates. Polarization resolved spectral properties of edge luminescence from both structures is studied as a function of pump intensity and excitation stripe length. Characteristics indicative of stimulated emission are observed, particularly in the sample grown on SiC. We then present results demonstrating laser emission from a GaN-AlGaN separate-confinement quantum-well heterostructure. At high pump intensities, band edge emission from the quantum well exhibits five narrow (∼1 Å) modes which are evenly spaced by 10Å to within the resolution of the spectrometer. This represents the first demonstration of laser action in a GaN-based quantum-well structure.

Mid-IR emission characteristics of low-phonon erbium-doped ternary chloride-based single crystals

2021 ◽  
Author(s):  
Ei E. Brown ◽  
Zackery Fleischman ◽  
Rastgo Hawrami ◽  
Elsa Ariesanti ◽  
Arnold Burger ◽  
...  
Keyword(s):  
Single Crystals ◽  
Emission Characteristics ◽  
Erbium Doped ◽  
Ir Emission

Structural and stimulated emission characteristics of diameter-controlled ZnO nanowires using buffer structure

2009 ◽  
Vol 42 (22) ◽  
pp. 225403 ◽  
Author(s):  
Sang Hyun Lee ◽  
Seogwoo Lee ◽  
Jun-Seok Ha ◽  
Hyo-Jong Lee ◽  
Jae Wook Lee ◽  
...  
Keyword(s):  
Zno Nanowires ◽  
Stimulated Emission ◽  
Emission Characteristics ◽  
Buffer Structure

Stimulated emission characteristics of InGaN/GaN multiple quantum wells: Excitation length and excitation density dependence

1998 ◽  
Vol 73 (25) ◽  
pp. 3689-3691 ◽  
Author(s):  
T. J. Schmidt ◽  
S. Bidnyk ◽  
Yong-Hoon Cho ◽  
A. J. Fischer ◽  
J. J. Song ◽  
...  
Keyword(s):  
Quantum Wells ◽  
Density Dependence ◽  
Stimulated Emission ◽  
Multiple Quantum Wells ◽  
Excitation Density ◽  
Emission Characteristics ◽  
Multiple Quantum

Stimulated emission in sexithiophene single crystals

1997 ◽  
Author(s):  
Francis Garnier ◽  
Gilles Horowitz ◽  
Pierre Valat ◽  
Faycal Kouki ◽  
Veronique Wintgens
Keyword(s):  
Single Crystals ◽  
Stimulated Emission
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