Analysis of optical gain threshold in n-doped and tensile-strained germanium heterostructure diodes

2015 ◽  
Vol 118 (12) ◽  
pp. 125704 ◽  
Author(s):  
M. Prost ◽  
M. El Kurdi ◽  
F. Aniel ◽  
N. Zerounian ◽  
S. Sauvage ◽  
...  
Keyword(s):  
Optical Gain ◽  
Gain Threshold

Reduction of Optical Gain Threshold in CsPbI3 Nanocrystals Achieved by Generation of Asymmetric Hot-Biexcitons

Nano Letters ◽  
2020 ◽  
Vol 20 (5) ◽  
pp. 3905-3910 ◽  
Author(s):  
Etsuki Kobiyama ◽  
Hirokazu Tahara ◽  
Ryota Sato ◽  
Masaki Saruyama ◽  
Toshiharu Teranishi ◽  
...  
Keyword(s):  
Optical Gain ◽  
Gain Threshold

scholarly journals Giant Alloyed Hot Injection Shells Enable Ultralow Optical Gain Threshold in Colloidal Quantum Wells

ACS Nano ◽  
2019 ◽  
Vol 13 (9) ◽  
pp. 10662-10670 ◽  
Author(s):  
Yemliha Altintas ◽  
Kivanc Gungor ◽  
Yuan Gao ◽  
Mustafa Sak ◽  
Ulviyya Quliyeva ◽  
...  
Keyword(s):  
Quantum Wells ◽  
Optical Gain ◽  
Hot Injection ◽  
Gain Threshold

scholarly journals Sub-single exciton optical gain threshold in colloidal semiconductor quantum wells with gradient alloy shelling

2020 ◽  
Vol 11 (1) ◽  
Author(s):  
Nima Taghipour ◽  
Savas Delikanli ◽  
Sushant Shendre ◽  
Mustafa Sak ◽  
Mingjie Li ◽  
...  
Keyword(s):  
Quantum Wells ◽  
Optical Gain ◽  
Semiconductor Quantum Wells ◽  
Colloidal Semiconductor ◽  
Gain Threshold

Pump-Probe Measurements Using Silicon Nanocrystal Waveguides

2003 ◽  
Vol 770 ◽  
Author(s):  
Nathanael Smith ◽  
Max J. Lederer ◽  
Marek Samoc ◽  
Barry Luther-Davies ◽  
Robert G. Elliman
Keyword(s):  
Probe Beam ◽  
Time Resolution ◽  
Pump Beam ◽  
Silicon Nanocrystals ◽  
Continuous Wave ◽  
Optical Gain ◽  
Optical Pump ◽  
Time Resolved ◽  
Pump Probe ◽  
Probe Measurements

AbstractOptical pump-probe measurements were performed on planar slab waveguides containing silicon nanocrystals in an attempt to measure optical gain from photo-excited silicon nanocrystals. Two experiments were performed, one with a continuous-wave probe beam and a pulsed pump beam, giving a time resolution of approximately 25 ns, and the other with a pulsed pump and probe beam, giving a time resolution of approximately 10 ps. In both cases the intensity of the probe beam was found to be attenuated by the pump beam, with the attenuation increasing monotonically with increasing pump power. Time-resolved measurements using the first experimental arrangement showed that the probe signal recovered its initial intensity on a time scale of 45-70 μs, a value comparable to the exciton lifetime in Si nanocrystals. These data are shown to be consistent with an induced absorption process such as confined carrier absorption. No evidence for optical gain was observed.

Applications of Optical Gain Media.

1997 ◽  
Author(s):  
Reinhard K. Erdmann
Keyword(s):  
Optical Gain ◽  
Gain Media

Tunable Anti-Guiding Factor and Optical Gain of InGaAlAs/InP Nano-Heterostructure under Internal Strain

2020 ◽  
Vol 12 (2) ◽  
pp. 02002-1-02002-3
Author(s):  
Pyare Lal ◽  
◽  
Garima Bhardwaj ◽  
Sandhya Kattayat ◽  
P. A. Alvi ◽  
...  
Keyword(s):  
Optical Gain ◽  
Internal Strain

scholarly journals Highly Stable Multicrown Heterostructures of Type-II Nanoplatelets for Ultralow Threshold Optical Gain

2019 ◽  
Vol 31 (5) ◽  
pp. 1818-1826 ◽  
Author(s):  
Didem Dede ◽  
Nima Taghipour ◽  
Ulviyya Quliyeva ◽  
Mustafa Sak ◽  
Yusuf Kelestemur ◽  
...  
Keyword(s):  
Optical Gain ◽  
Type Ii

scholarly journals Optical Gain of Lead Halide Perovskites Measured via the Variable Stripe Length Method: What We Can Learn and How to Avoid Pitfalls

2021 ◽  
pp. 2001773
Author(s):  
Ada Lili Alvarado‐Leaños ◽  
Daniele Cortecchia ◽  
Giulia Folpini ◽  
Ajay Ram Srimath Kandada ◽  
Annamaria Petrozza
Keyword(s):  
Optical Gain ◽  
Halide Perovskites ◽  
Lead Halide ◽  
Stripe Length
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