Nanoimprinted polymer lasers with threshold below 100 W/cm^2 using mixed-order distributed feedback resonators | Zendy

Yue Wang | Zendy; Georgios Tsiminis | Zendy; Alexander L. Kanibolotsky | Zendy; Peter J. Skabara | Zendy; Ifor D. W. Samuel | Zendy; Graham A. Turnbull | Zendy

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Nanoimprinted polymer lasers with threshold below 100 W/cm^2 using mixed-order distributed feedback resonators

Author(s) -

Yue Wang,

Georgios Tsiminis,

Alexander L. Kanibolotsky,

Peter J. Skabara,

Ifor D. W. Samuel,

Graham A. Turnbull

Publication year - 2013

Publication title -

optics express

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.394

H-Index - 271

ISSN - 1094-4087

DOI - 10.1364/oe.21.014362

Subject(s) - nanoimprint lithography , materials science , optoelectronics , laser , resonator , optics , lithography , semiconductor laser theory , semiconductor , fabrication , physics , medicine , alternative medicine , pathology

Organic semiconductor lasers were fabricated by UV-nanoimprint lithography with thresholds as low as 57 W/cm(2) under 4 ns pulsed operation. The nanoimprinted lasers employed mixed-order distributed feedback resonators, with second-order gratings surrounded by first-order gratings, combined with a light-emitting conjugated polymer. They were pumped by InGaN LEDs to produce green-emitting lasers, with thresholds of 208 W/cm(2) (102 nJ/pulse). These hybrid lasers incorporate a scalable UV-nanoimprint lithography process, compatible with high-performance LEDs, therefore we have demonstrated a coherent, compact, low-cost light source.

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