Design and analysis of an electrically pumped microcavity organic laser device

Shayesteh, Mohammad Reza

doi:10.1007/s13391-017-6174-x

Electron. Mater. Lett.

2017

DOI: 10.1007/s13391-017-6174-x

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Design and analysis of an electrically pumped microcavity organic laser device

Mohammad Reza Shayesteh

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Cited by 2 publications

References 25 publications

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Toward Electrically Pumped Polymer Lasing: Light‐Emitting Diodes Based on Microcavity Arrays of Distributed Bragg Gratings

Huang

Wang

Hong

2018

Advanced Optical Materials

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Electrically pumped organic lasers have been a challenge for years. The most crucial problem is that the density of charge carriers is much lower than the threshold required for lasing as compared with optical pumping. Apparently, increasing the density of charge carriers and reducing the threshold are two practical routes for solving the problem. Reducing the pump threshold depends strongly on the structural design and the operation‐mode control in the device. Here, a large‐area array of microcavities is employed to construct the light‐emitting diodes (LEDs) using distributed Bragg gratings (DBGs) as high‐efficiency reflectors and the homogeneous poly[(9,9‐dioctylfluorenyl‐2,7‐diyl)‐alt‐co‐(1,4‐benzo‐(2,1′,3)‐thiadiazole)] films in‐between as the active cavity body. Simultaneous lasing of multiple longitudinal modes at optical pumping verifies the optical feedback and oscillation mechanisms in such DBG‐based microcavities. Further successful construction of light‐emitting diodes using these microcavity arrays and the observation of narrowing of the electroluminescence spectrum due to the selectivity by the microcavities and the increase of the excitation electrical field suggest that the LED design here defines a promising step toward electrically pumped polymer lasers.

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Toward Electrically Pumped Polymer Lasing: Light‐Emitting Diodes Based on Microcavity Arrays of Distributed Bragg Gratings

Huang

Wang

Hong

2018

Advanced Optical Materials

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Prospects and challenges of colloidal quantum dot laser diodes

2021

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Design and analysis of an electrically pumped microcavity organic laser device

Cited by 2 publications

References 25 publications

Toward Electrically Pumped Polymer Lasing: Light‐Emitting Diodes Based on Microcavity Arrays of Distributed Bragg Gratings

Toward Electrically Pumped Polymer Lasing: Light‐Emitting Diodes Based on Microcavity Arrays of Distributed Bragg Gratings

Prospects and challenges of colloidal quantum dot laser diodes

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