Double threshold behavior in a resonance-controlled ZnO random laser

Niyuki, Ryo; Fujiwara, Hideki; Nakamura, Toshihiro; Ishikawa, Yoshie; Koshizaki, Naoto; Tsuji, Takeshi; Sasaki, Keiji

Double threshold behavior in a resonance-controlled ZnO random laser

Niyuki, Ryo; Fujiwara, Hideki; Nakamura, Toshihiro et al.

Apl photonics, 2017, 2(3), 36101

Permalink : https://hdl.handle.net/2115/65347

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アクセス権	open access
URI	https://hdl.handle.net/2115/65347
タイトル	Double threshold behavior in a resonance-controlled ZnO random laser
著者	Niyuki, Ryo ; Fujiwara, Hideki ; Nakamura, Toshihiro ; Ishikawa, Yoshie ; Koshizaki, Naoto ; Tsuji, Takeshi ; Sasaki, Keiji
著者名 Niyuki, Ryo
e-Rad_Researcher 10374670 著者名 Fujiwara, Hideki
著者名 Nakamura, Toshihiro
著者名 Ishikawa, Yoshie
著者名 Koshizaki, Naoto
著者名 Tsuji, Takeshi
e-Rad_Researcher 00183822 著者名 Sasaki, Keiji
言語	英語
発行日	2017-03
出版者	American Institute of Physics (AIP)
収録物名	Apl photonics
巻(号)	2(3)
ページ	36101
抄録	We observed unusual lasing characteristics, such as double thresholds and blue-shift of lasing peak, in a resonance-controlled ZnO random laser. From the analysis of lasing threshold carrier density, we found that the lasing at 1st and 2nd thresholds possibly arises from different mechanisms; the lasing at 1st threshold involves exciton recombination, whereas the lasing at 2nd threshold is caused by electron-hole plasma recombination, which is the typical origin of conventional random lasers. These phenomena are very similar to the transition from polariton lasing to photon lasing observed in a well-defined cavity laser.
資源タイプ	学術雑誌論文
出版タイプ	Version of Record
権利情報	Creative Commons Attribution 4.0 International
権利情報	Copyright 2017 Author(s). This article is distributed under a Creative Commons Attribution (CC BY) License.
PISSN	2378-0967
関連情報 (isIdenticalTo)	出版社版DOI https://doi.org/10.1063/1.4974334