Ring microlasers from conducting polymers

被引：192
作者：
Frolov, SV [1 ]
Shkunov, M [1 ]
Vardeny, ZV [1 ]
Yoshino, K [1 ]
机构：
[1] OSAKA UNIV, DEPT ELECT ENGN, SUITA, OSAKA 565, JAPAN
来源：
PHYSICAL REVIEW B | 1997年 / 56卷 / 08期
关键词：
D O I：
10.1103/PhysRevB.56.R4363
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
We demonstrate pulsed, photopumped multimode laser emission in the visible spectral range from cylindrical microcavities formed by conducting polymer thin films deposited around optical fibers. The laser is characterized by narrow emission lines (similar to 1.5 cm(-1)), a well-defined excitation threshold, anisotropic emission in both polarization and azimuthal intensity distribution, and high Q(greater than or equal to 3000), which leads to a low excitation threshold of order 1 nJ/pulse. We observed two different sets of laser modes; these are waveguided ring modes in the polymer film and whispering gallery modes close to the optical fiber surface.
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收藏
页码：R4363 / R4366
页数：4
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