Low threshold laser operation at room temperature in GaAs/(Al,Ga)As structures grown directly on (100)Si

1986 ◽  
Vol 48 (20) ◽  
pp. 1360-1361 ◽  
Author(s):  
R. Fischer ◽  
W. Kopp ◽  
H. Morkoç ◽  
M. Pion ◽  
A. Specht ◽  
...  
Keyword(s):  
Room Temperature ◽  
Laser Operation ◽  
Low Threshold

Low threshold CW room temperature laser operation of Nd:CAMGAR at 0.941 µm

1977 ◽  
Vol 13 (9) ◽  
pp. 913-914
Author(s):  
M. Birnbaum ◽  
A. Tucker ◽  
C. Fincher
Keyword(s):  
Room Temperature ◽  
Laser Operation ◽  
Low Threshold

scholarly journals High Slope Efficiency and Low Threshold in a Diode Pumped Epitaxially Grown Yb:YAG Waveguide Laser

1993 ◽  
Vol 329 ◽  
Author(s):  
Isabelle Chartier ◽  
C. Wyon ◽  
D. Pelenc ◽  
B. Ferrand ◽  
D. P. Shepherd ◽  
...  
Keyword(s):  
Liquid Phase ◽  
Slope Efficiency ◽  
Planar Waveguide ◽  
Room Temperature ◽  
Planar Waveguides ◽  
Laser Operation ◽  
Waveguide Laser ◽  
High Slope ◽  
Diode Pumped ◽  
Low Threshold

AbstractWe report the 1.03 μm laser operation of a diode-pumped Yb doped YAG planar waveguide at room temperature. The fabrication of multilayer planar waveguides by Liquid Phase Epitaxy and their characterization are also described.Laser results (40 mW threshold, 80 % slope efficiency) obtained with a 2.9 % output coupler compares favourably with bulk results reported elsewhere.

scholarly journals Low Threshold Room Temperature Polariton Lasing from Fluorene‐Based Oligomers

2021 ◽  
pp. 2100028
Author(s):  
Mengjie Wei ◽  
Arvydas Ruseckas ◽  
Van T. N. Mai ◽  
Atul Shukla ◽  
Ilene Allison ◽  
...  
Keyword(s):  
Room Temperature ◽  
Low Threshold

scholarly journals Low-threshold strain-compensated InGaAs/(In,Al)GaAs multi-quantum well nanowire lasers emitting near 1.3 μm at room temperature

2021 ◽  
Vol 118 (22) ◽  
pp. 221103
Author(s):  
P. Schmiedeke ◽  
A. Thurn ◽  
S. Matich ◽  
M. Döblinger ◽  
J. J. Finley ◽  
...  
Keyword(s):  
Quantum Well ◽  
Room Temperature ◽  
Threshold Strain ◽  
Low Threshold ◽  
Nanowire Lasers ◽  
Multi Quantum Well

Low threshold, room temperature pulsed and quasi-continuous lasing in optically pumped CdZnTe/ZnTe quantum wells

1993 ◽  
Vol 22 (5) ◽  
pp. 479-484 ◽  
Author(s):  
R. D. Feldman ◽  
T. D. Harris ◽  
J. E. Zucker ◽  
D. Lee ◽  
R. F. Austin ◽  
...  
Keyword(s):  
Quantum Wells ◽  
Room Temperature ◽  
Optically Pumped ◽  
Low Threshold

Low‐threshold (∼600 A/cm2at room temperature) GaAs/AlGaAs lasers on Si (100)

1987 ◽  
Vol 51 (17) ◽  
pp. 1320-1321 ◽  
Author(s):  
H. Z. Chen ◽  
A. Ghaffari ◽  
H. Wang ◽  
H. Morkoç ◽  
A. Yariv
Keyword(s):  
Room Temperature ◽  
Low Threshold

scholarly journals Effect of Passivation Layer on the Thin Film Perovskite Random Lasers

Materials ◽  
2020 ◽  
Vol 13 (10) ◽  
pp. 2322
Author(s):  
Subha Prakash Mallick ◽  
Yu-Heng Hong ◽  
Lih-Ren Chen ◽  
Tsung Sheng Kao ◽  
Tien-Chang Lu
Keyword(s):  
Air Force ◽  
Room Temperature ◽  
High Surface ◽  
Spatial Coherence ◽  
Random Lasing ◽  
Random Lasers ◽  
Scattering Effects ◽  
Low Threshold ◽  
Projection Images ◽  
Multiple Scattering Effects

Novel functionalities of disorder-induced scattering effect in random lasers, attributed to low spatial coherence, draw remarkable attention in high-contrast to superior quality speckle-free imaging applications. This paper demonstrates perovskite-polystyrene (PS)-based random lasing action with robust optical performance at room temperature. Optical characterizations are carried out upon perovskite thin films addition with polystyrene of different mixing concentrations (wt.%). A low threshold lasing operation is achieved with an increasing concentration of polystyrene, accompanying a wavy surface texture with high surface roughness. The rough surface dominating multiple scattering effects leads to enhanced feedback efficiency. Moreover, this study also elucidates efficient fabrication process steps for the development of high quality and durable PS-based random lasers. With the advantages of reduced coherent artifacts and low spatial coherence, speckle free projection images of the USAF (U. S. Air Force MIL-STD-150A standard of 1951) resolution test chart are shown for different PS-based random lasers.

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