Toward continuous-wave operation of organic semiconductor lasers

Science Advances
Atula S D SandanayakaChihaya Adachi

Abstract

The demonstration of continuous-wave lasing from organic semiconductor films is highly desirable for practical applications in the areas of spectroscopy, data communication, and sensing, but it still remains a challenging objective. We report low-threshold surface-emitting organic distributed feedback lasers operating in the quasi-continuous-wave regime at 80 MHz as well as under long-pulse photoexcitation of 30 ms. This outstanding performance was achieved using an organic semiconductor thin film with high optical gain, high photoluminescence quantum yield, and no triplet absorption losses at the lasing wavelength combined with a mixed-order distributed feedback grating to achieve a low lasing threshold. A simple encapsulation technique greatly reduced the laser-induced thermal degradation and suppressed the ablation of the gain medium otherwise taking place under intense continuous-wave photoexcitation. Overall, this study provides evidence that the development of a continuous-wave organic semiconductor laser technology is possible via the engineering of the gain medium and the device architecture.

References

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Citations

May 24, 2018·Physical Chemistry Chemical Physics : PCCP·Matthew R LeydenChihaya Adachi
Mar 1, 2019·Nature Communications·Philipp BrennerUli Lemmer
Jul 17, 2020·Chemical Society Reviews·Yi JiangWei Huang
Aug 14, 2020·Angewandte Chemie·Yong Sheng ZhaoZhigang Shuai
Mar 5, 2020·Light, Science & Applications·Alina AdamowJaroslaw Mysliwiec
Feb 7, 2018·Optics Express·Florian MathiesUli Lemmer
May 3, 2018·Nature Communications·Markus KarlMalte C Gather
Mar 4, 2020·Optics Express·Shuai ZhangTianrui Zhai
Feb 11, 2021·Light, Science & Applications·Alina AdamowJaroslaw Mysliwiec
Dec 27, 2017·ACS Applied Materials & Interfaces·Paulius BaronasSaulius Juršėnas
Dec 4, 2019·The Journal of Physical Chemistry Letters·Xuehong ZhouYuguang Ma
Dec 16, 2017·ACS Applied Materials & Interfaces·Hao YeChihaya Adachi
Nov 20, 2021·Journal of the American Chemical Society·Tongjin ZhangYong Sheng Zhao

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Methods Mentioned

BETA
electron beam lithography
scanning electron microscopy
profiler

Software Mentioned

CYTOP

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