2008
DOI: 10.1063/1.2912433
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Hybrid optoelectronics: A polymer laser pumped by a nitride light-emitting diode

Abstract: We demonstrate indirect electrically pumped lasing in a hybrid polymer laser. The lasers comprise a corrugated fluorene copolymer waveguide on an InGaN light-emitting diode and were driven under nanosecond pulsed operation. We observe the onset of distributed feedback lasing at 568nm for peak drive currents above 144A. Angle-resolved photoluminescence measurements identify the lasing mechanism as band edge feedback from a photonic stopband in the TE0 waveguide mode.

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Cited by 211 publications
(145 citation statements)
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“…[14][15][16] If τ reached the radiative limit, threshold pump intensity would be decreased to values less than 5 W/cm 2 that are practical for indirect pumping by semiconductor light-emitting diodes. 17 In conclusion, we show experimental evidence for transient Er III population saturation near inversion threshold in a monometallic coordination complex exhibiting very efficient lanthanide-ion sensitization. Our results could be translated to the solid state by complex incorporation in transparent polymer or glass matrices.…”
mentioning
confidence: 95%
“…[14][15][16] If τ reached the radiative limit, threshold pump intensity would be decreased to values less than 5 W/cm 2 that are practical for indirect pumping by semiconductor light-emitting diodes. 17 In conclusion, we show experimental evidence for transient Er III population saturation near inversion threshold in a monometallic coordination complex exhibiting very efficient lanthanide-ion sensitization. Our results could be translated to the solid state by complex incorporation in transparent polymer or glass matrices.…”
mentioning
confidence: 95%
“…However, thanks to all these efforts, laser thresholds have been decreased so much that today it is possible to pump with cheap inorganic diode lasers 3 and even with light emitting diodes. 7 Therefore, these low-cost and compact optically-pumped lasers are by themselves useful for 35 applications. 1,2 Distributed feedback (DFB) resonators have been widely used to buid OSLs.…”
Section: Introductionmentioning
confidence: 99%
“…The use of this simple pump source is a direct consequence of the very low lasing threshold of 0.77 kW cm − 2 , the fi rst time a UV-NIL organic laser has been demonstrated to have a threshold density below 8 kW cm − 2 . While the fi rst example of an LED-pumped organic laser used a resonator fabricated by holography and chemical etching, [ 13 ] this result shows the potential for making tunable organic lasers that could be mass produced at low cost, including an integrated excitation LED, thus making them a realistic compact coherent light source.…”
mentioning
confidence: 99%