An ultrafast spectroscopy study of stimulated emission in poly(9,9-dioctylfluorene) films and microcavities

T. Virgili; D. G. Lidzey; D. D.C. Bradley; G. Cerullo; S. Stagira; S. De Silvestri

doi:10.1063/1.124008

An ultrafast spectroscopy study of stimulated emission in poly(9,9-dioctylfluorene) films and microcavities

T. Virgili, D. G. Lidzey, D. D.C. Bradley, G. Cerullo, S. Stagira, S. De Silvestri

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Abstract

We report measurements of stimulated emission in poly(9,9-dioctylfluorene). We find a gain coefficient of 1.2×104 cm-1 for 100 nm-thick films at an excitation energy density of 9.9 mJ/cm2. Using ultrafast pump-probe measurements, we have studied the effect of cavity optical confinement. A strong shift of the cavity resonance due to nonlinear refraction is observed. © 1999 American Institute of Physics.

Original language	English (US)
Journal	Applied Physics Letters
Volume	74
Issue number	19
DOIs	https://doi.org/10.1063/1.124008
State	Published - May 10 1999
Externally published	Yes

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title = "An ultrafast spectroscopy study of stimulated emission in poly(9,9-dioctylfluorene) films and microcavities",

abstract = "We report measurements of stimulated emission in poly(9,9-dioctylfluorene). We find a gain coefficient of 1.2×104 cm-1 for 100 nm-thick films at an excitation energy density of 9.9 mJ/cm2. Using ultrafast pump-probe measurements, we have studied the effect of cavity optical confinement. A strong shift of the cavity resonance due to nonlinear refraction is observed. {\textcopyright} 1999 American Institute of Physics.",

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AU - Virgili, T.

AU - Lidzey, D. G.

AU - Bradley, D. D.C.

AU - Cerullo, G.

AU - Stagira, S.

AU - De Silvestri, S.

N1 - Generated from Scopus record by KAUST IRTS on 2019-11-27

PY - 1999/5/10

Y1 - 1999/5/10

N2 - We report measurements of stimulated emission in poly(9,9-dioctylfluorene). We find a gain coefficient of 1.2×104 cm-1 for 100 nm-thick films at an excitation energy density of 9.9 mJ/cm2. Using ultrafast pump-probe measurements, we have studied the effect of cavity optical confinement. A strong shift of the cavity resonance due to nonlinear refraction is observed. © 1999 American Institute of Physics.

AB - We report measurements of stimulated emission in poly(9,9-dioctylfluorene). We find a gain coefficient of 1.2×104 cm-1 for 100 nm-thick films at an excitation energy density of 9.9 mJ/cm2. Using ultrafast pump-probe measurements, we have studied the effect of cavity optical confinement. A strong shift of the cavity resonance due to nonlinear refraction is observed. © 1999 American Institute of Physics.

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VL - 74

JO - Applied Physics Letters

JF - Applied Physics Letters

IS - 19

ER -

An ultrafast spectroscopy study of stimulated emission in poly(9,9-dioctylfluorene) films and microcavities

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