Two-photon induced amplified spontaneous emission from needlelike triphenylamine-containing derivative crystals with low threshold

被引：58

作者：

Chen, Qi-Dai ^{[2
]}

Fang, Hong-Hua ^{[2
]}

Xu, Bin ^{[1
]}

Yang, Jie ^{[2
]}

Xia, Hong ^{[2
]}

Chen, Fei-Peng ^{[1
]}

Tian, Wen-Jing ^{[1
]}

Sun, Hong-Bo ^{[2
]}

机构：

[1] Jilin Univ, State Key Lab Supramol Struct & Mat, Coll Chem, Changchun 130012, Peoples R China

[2] Jilin Univ, State Key Lab Integrated Optoelect, Coll Elect Sci & Engn, Changchun 130012, Peoples R China

来源：

APPLIED PHYSICS LETTERS | 2009年 / 94卷 / 20期

关键词：

fluorescence; optical frequency conversion; optical pumping; organic compounds; solid lasers; superradiance; two-photon processes; SINGLE-CRYSTALS; GAIN; ABSORPTION;

D O I：

10.1063/1.3142383

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

Two-photon induced amplified spontaneous emission (ASE) characteristics of a needlelike crystal were studied. Under two-photon excitation, the upconverted light emission was confined within the crystal and self-waveguided along the needle axis then radiated from the needle tips. The full width at half maximum of the two-photon excited fluorescence reaches 6.5 nm and ASE threshold is as low as 0.29 mJ pulse(-1) cm(-2) for the N-(4-(4-(4-(diphenylamino)styryl)styryl)phenyl)-N-phenylbenzene amine crystal, comparable with those achieved by single-photon pumping. The needlelike crystal is shown to be a promising candidate for frequency up-converted organic semiconductor microlasers.

引用

页数：3

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