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The use of organic wave-guide lasers based on dye-doped polymers has attracted much attention over the last decade for their applications in integrated photonics. Here we demonstrate that long-lived laser action can be achieved in two transparent FPI wave-guides (6F6F and 6FIMMDA) doped with laser dye Pyrromethene 597 (PM597). Asymmetric planar waveguides consisting of 6F6F/PM597 and 6FIMMDA/PM597...
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