Indication of current-injection lasing from an organic semiconductor

Atula S.D. Sandanayaka; Toshinori Matsushima; Fatima Bencheikh; Shinobu Terakawa; William J. Potscavage; Chuanjiang Qin; Takashi Fujihara; Kenichi Goushi; Jean Charles Maurice Ribierre; Chihaya Adachi

doi:10.7567/1882-0786/ab1b90

Indication of current-injection lasing from an organic semiconductor

Atula S.D. Sandanayaka, Toshinori Matsushima, Fatima Bencheikh, Shinobu Terakawa, William J. Potscavage, Chuanjiang Qin, Takashi Fujihara, Kenichi Goushi, Jean Charles Maurice Ribierre, Chihaya Adachi

Research output: Contribution to journal › Article

38 Citations (Scopus)

Abstract

In this study, we investigate the lasing properties of 4,4′-bis[(N-carbazole)styryl]biphenyl thin films under electrical pumping. The electroluminescent devices incorporate a mixed-order distributed feedback SiO₂ grating into an organic light-emitting diode structure and emit blue lasing. The results provide an indication of lasing by direct injection of current into an organic thin film through selection of a high-gain organic semiconductor showing clear separation of the lasing wavelength from significant triplet and polaron absorption and design of a proper feedback structure with low losses at high current densities. This study represents an important advance toward a future organic laser diode technology.

Original language	English
Article number	061010
Journal	Applied Physics Express
Volume	12
Issue number	6
DOIs	https://doi.org/10.7567/1882-0786/ab1b90
Publication status	Published - Jun 1 2019

All Science Journal Classification (ASJC) codes

Engineering(all)
Physics and Astronomy(all)

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Sandanayaka, A. S. D., Matsushima, T., Bencheikh, F., Terakawa, S., Potscavage, W. J., Qin, C., Fujihara, T., Goushi, K., Ribierre, J. C. M., & Adachi, C. (2019). Indication of current-injection lasing from an organic semiconductor. Applied Physics Express, 12(6), [061010]. https://doi.org/10.7567/1882-0786/ab1b90

Indication of current-injection lasing from an organic semiconductor. / Sandanayaka, Atula S.D.; Matsushima, Toshinori; Bencheikh, Fatima; Terakawa, Shinobu; Potscavage, William J.; Qin, Chuanjiang; Fujihara, Takashi; Goushi, Kenichi; Ribierre, Jean Charles Maurice; Adachi, Chihaya.

In: Applied Physics Express, Vol. 12, No. 6, 061010, 01.06.2019.

Research output: Contribution to journal › Article

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abstract = "In this study, we investigate the lasing properties of 4,4′-bis[(N-carbazole)styryl]biphenyl thin films under electrical pumping. The electroluminescent devices incorporate a mixed-order distributed feedback SiO2 grating into an organic light-emitting diode structure and emit blue lasing. The results provide an indication of lasing by direct injection of current into an organic thin film through selection of a high-gain organic semiconductor showing clear separation of the lasing wavelength from significant triplet and polaron absorption and design of a proper feedback structure with low losses at high current densities. This study represents an important advance toward a future organic laser diode technology.",

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AU - Qin, Chuanjiang

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AU - Goushi, Kenichi

AU - Ribierre, Jean Charles Maurice

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AB - In this study, we investigate the lasing properties of 4,4′-bis[(N-carbazole)styryl]biphenyl thin films under electrical pumping. The electroluminescent devices incorporate a mixed-order distributed feedback SiO2 grating into an organic light-emitting diode structure and emit blue lasing. The results provide an indication of lasing by direct injection of current into an organic thin film through selection of a high-gain organic semiconductor showing clear separation of the lasing wavelength from significant triplet and polaron absorption and design of a proper feedback structure with low losses at high current densities. This study represents an important advance toward a future organic laser diode technology.

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