2002
DOI: 10.1063/1.1485303
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Dye-doped polymers for blue organic diode lasers

Abstract: Amplified spontaneous emission ͑ASE͒ in optically pumped polymeric films containing the luminescent and hole-transporting organic molecule N,NЈ-Bis͑3-methylphenyl͒-N,NЈdiphenylbenzidine ͑TPD͒ is demonstrated. ASE is observed in polymer films of polystyrene and poly͑N-vinylcarbazole͒ doped up to 20% with TPD. From these results, we conclude that TPD-based films are candidates for blue-emitting organic diode lasers.

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Cited by 42 publications
(32 citation statements)
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“…In addition, this technique is the most convenient for comparing the performance of different materials, since it allows separating the variations due to the material from those due to the resonant cavity. The laser properties of films of a wide variety of molecular semiconducting materials have been reported in the literature [6,[12][13][14][15][16][17][18][19][20][21][22]. In most cases, laser activity is observed at thresholds much lower than those of traditional dyes [23] and comparable to those of typical semiconducting polymeric laser materials [4,6].…”
Section: Introductionmentioning
confidence: 83%
See 1 more Smart Citation
“…In addition, this technique is the most convenient for comparing the performance of different materials, since it allows separating the variations due to the material from those due to the resonant cavity. The laser properties of films of a wide variety of molecular semiconducting materials have been reported in the literature [6,[12][13][14][15][16][17][18][19][20][21][22]. In most cases, laser activity is observed at thresholds much lower than those of traditional dyes [23] and comparable to those of typical semiconducting polymeric laser materials [4,6].…”
Section: Introductionmentioning
confidence: 83%
“…For some particular molecular systems, ASE was observed even in neat films (nondiluted in an inert matrix). Examples of such materials are various thiophene-S,S-dioxide oligomers [16], spiro-type molecules [17], and the hole-transporting N,N 0 -bis (3-methylphenyl)-N,N 0 -diphenylbenzidine system (TPD) [12,[24][25][26][27] (Fig. 1).…”
Section: Introductionmentioning
confidence: 99%
“…The resonance condition providing the widest spectral periodicity is obtained by the subtraction ofthe last two conditions of Eq. (1), which yields (2) where…”
Section: Resultsmentioning
confidence: 99%
“…The wide use of organic dyes and dye doped polymers in optical and optoelectronic applications has produced a renewed interest in the area of laser dyes [1][2][3][4][5]. The broad spectral range covering the blue to the IR region, the high efficiency, the large spectral bandwidth, and fairly simple implementation offer unique operational flexibility for dye lasers.…”
Section: Introductionmentioning
confidence: 99%
“…Dye-doped polymers have applications as active laser media and as active device components in modern photonic technology [1][2][3]. A large number of inorganic and organic high-density optical information storage media have also been reported [3,4].…”
Section: Introductionmentioning
confidence: 99%