Low thresholds for a nonconventional polymer blend - Amplified spontaneous emission and lasing in F81-x:SYx system

Muhammad Umair Hassan; Yee Chen Liu; Haider Butt; Kamran Ul Hasan; Jui Fen Chang; Ayooye Abigael Olawoyin; Richard Henry Friend

doi:10.1002/polb.23947

Low thresholds for a nonconventional polymer blend - Amplified spontaneous emission and lasing in F8_1-x:SY_x system

Muhammad Umair Hassan, Yee Chen Liu, Haider Butt, Kamran Ul Hasan, Jui Fen Chang, Ayooye Abigael Olawoyin, Richard Henry Friend

Department of Optics and Photonics

Research output: Contribution to journal › Article › peer-review

12 Scopus citations

Abstract

A mixture of two polymer materials, poly (9,9-dioctylfluorene) (F8), and one of the poly(para-phenylenevinylene) derivatives, superyellow (SY) have been used to make F8_1-x:SY_x polymer blend system. Under a 3-5 ns pulsed-laser excitation, this system showed excellent optical properties with low threshold values of ≈14 μJ/cm² and ≈8 μJ/cm² for amplified spontaneous emission and optically pumped lasing, respectively. The proposed system was also electroluminescent and an interesting candidate for future research on polymer injection lasers.

Original language	English
Pages (from-to)	15-21
Number of pages	7
Journal	Journal of Polymer Science, Part B: Polymer Physics
Volume	54
Issue number	1
DOIs	https://doi.org/10.1002/polb.23947
State	Published - 1 Jan 2016

Keywords

amplified spontaneous emission
low threshold
optical pumping
polymer blend

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10.1002/polb.23947

Cite this

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abstract = "A mixture of two polymer materials, poly (9,9-dioctylfluorene) (F8), and one of the poly(para-phenylenevinylene) derivatives, superyellow (SY) have been used to make F81-x:SYx polymer blend system. Under a 3-5 ns pulsed-laser excitation, this system showed excellent optical properties with low threshold values of ≈14 μJ/cm2 and ≈8 μJ/cm2 for amplified spontaneous emission and optically pumped lasing, respectively. The proposed system was also electroluminescent and an interesting candidate for future research on polymer injection lasers.",

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AU - Hassan, Muhammad Umair

AU - Liu, Yee Chen

AU - Butt, Haider

AU - Hasan, Kamran Ul

AU - Chang, Jui Fen

AU - Olawoyin, Ayooye Abigael

AU - Friend, Richard Henry

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AB - A mixture of two polymer materials, poly (9,9-dioctylfluorene) (F8), and one of the poly(para-phenylenevinylene) derivatives, superyellow (SY) have been used to make F81-x:SYx polymer blend system. Under a 3-5 ns pulsed-laser excitation, this system showed excellent optical properties with low threshold values of ≈14 μJ/cm2 and ≈8 μJ/cm2 for amplified spontaneous emission and optically pumped lasing, respectively. The proposed system was also electroluminescent and an interesting candidate for future research on polymer injection lasers.

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