Title :
Lasing and stimulated emission in /spl pi/-conjugated polymers
Author :
Frolov, S.V. ; Shkunov, M. ; Fujii, A. ; Yoshino, K. ; Vardeny, Z.V.
Author_Institution :
Bell Labs., Lucent Technol., Murray Hill, NJ, USA
Abstract :
Recent studies of lasing and stimulated emission in luminescent /spl pi/-conjugated polymers performed by our group are presented. Optical properties of cylindrical high-Q polymer microcavities are discussed. The emission spectra of plastic microring and microdisk lasers are measured and analyzed. Light-emitting polymer microdiodes are demonstrated as possible candidates for electrically driven plastic lasers. In addition, two unusual regimes of stimulated emission characterized by narrow laser-like spectral lines are demonstrated in thin waveguiding polymer films. These regimes may be associated with random optical feedback introduced by light scattering inside the polymer films and amplified Raman scattering, respectively.
Keywords :
conducting polymers; laser feedback; light emitting diodes; light scattering; microcavity lasers; microdisc lasers; optical polymers; organic semiconductors; polymer films; ring lasers; stimulated Raman scattering; stimulated emission; amplified Raman scattering; cylindrical high-Q polymer microcavities; electrically driven plastic lasers; emission spectra; lasing; light scattering; light-emitting polymer microdiodes; luminescent /spl pi/-conjugated polymers; microdisk lasers; narrow laser-like spectral lines; optical properties; plastic microring lasers; random optical feedback; stimulated emission; thin waveguiding polymer films; Laser feedback; Light scattering; Microcavities; Optical feedback; Optical films; Optical polymers; Optical scattering; Plastics; Polymer films; Stimulated emission;
Journal_Title :
Quantum Electronics, IEEE Journal of
