Polymer microdisk and microring lasers

Kuwata‐Gonokami, Makoto; Jordan, Rebecca H.; Dodabalapur, Ananth; Katz, Howard E.; Schilling, M. L.; Slusher, R. E.; Ozawa, Shinpei

doi:10.1364/ol.20.002093

Cited by 160 publications

(80 citation statements)

References 12 publications

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“…Active and passive polymeric microcavities with high quality factors (Q factors) are promising photonic components for a wide variety of applications, such as lasers [1,2], sensors [3,4] and filters [5,6]. Over the last years, improved lithographic and soft lithographic fabrication techniques have enabled the development of high-Q polymeric microcavities based on whispering gallery modes (WGMs).…”

Section: Introductionmentioning

confidence: 99%

Direct laser writing for active and passive high-Q polymer microdisks on silicon

Großmann¹,

Schleede²,

Hauser³

et al. 2011

Opt. Express

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Abstract:We report the fabrication of high-Q polymeric microdisks on silicon via direct laser writing utilizing two-photon absorption induced polymerization. The quality factors of the passive cavities are above 10 6 in the 1300 nm wavelength region. The flexible three-dimensional (3D) lithography method allows for the fabrication of different cavity thicknesses on the same substrate, useful for rapid prototyping of active and passive optical microcavities. Microdisk lasers are realized by doping the resist with dye, resulting in laser emission at visible wavelengths. ©2011 Optical Society of America

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Section: Introductionmentioning

confidence: 99%

Direct laser writing for active and passive high-Q polymer microdisks on silicon

Großmann¹,

Schleede²,

Hauser³

et al. 2011

Opt. Express

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“…Laser emission from conjugated polymers and dendrimer doped polymers has also been reported during the past few years [13][14][15][16][17]. There have been numerous investigations on laser emission from polymer planar microcavities [18,19] and polymer microring lasers as well [20].…”

Section: Introductionmentioning

confidence: 91%

Laser emission from transversely pumped dye-doped free-standing polymer film

Geetha¹,

Rajesh²,

Nampoori³

et al. 2006

J. Opt. A: Pure Appl. Opt.

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We present a compact solid-state laser based on leaky mode propagation from a dye-doped polymer free-standing film waveguide. The edge emitted spectrum clearly indicated the existence of periodic resonant modes. The reflections from the lateral faces of the free-standing film provided the optical feedback thus giving rise to a Fabry-Perot like optical cavity. This together with the guidance through the gain medium gave rise to intense narrow emission lines. For a pump energy of 1.82 mJ/pulse, an intense line with FWHM ∼0.4 nm was observed at 576.5 nm.

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“…12,15 There have been numerous investigations on laser emission from polymer planar microcavities 10,16 and polymer microring lasers. 5,17 …”

Section: Introductionmentioning

confidence: 99%

Angular dependent light emission from planar waveguides

Peter

Prabhu

Radhakrishnan

et al. 2015

Journal of Applied Physics

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We have investigated the angular dependence of amplified spontaneous emission (ASE) and laser emission from an asymmetric and free-standing polymer thin films doped with rhodamine 6G, which is transversely pumped by a pulsed Nd:YAG laser. A semi-leaky waveguide or quasi-waveguide structure has been developed by spin coating technique. In these waveguides, the light was confined by the film/air-film/glass substrate interfaces. At the film/substrate interface, a portion of light will reflect back into the film (guided mode) and the remaining refracted to the substrate resulting in cutoff modes. A blue-shift in ASE has been observed when the pump power was increased from 8 to 20 mW allowing a limited range of tuning of emission wavelength. To study the directionality of the ASE from the waveguide, we have measured the output intensity and FWHM of emission spectra as a function of viewing angle (θ) from the plane parallel to film. From the detailed examination of the output emission spectra, as +θ increases from 0° there has been an initial decrease in output intensity, but at a particular angle ≈10° an increase in output intensity was observed. This additional peak in output intensity as +θ is a clear indication of coexistence of the cutoff mode. We also present a compact solid-state laser based on leaky mode propagation from the dye-doped polymer free-standing film (∼50 μm thickness) waveguide. The partial reflections from the broad lateral surfaces of the free-standing films provided the optical feedback for the laser emission with high directionality. For a pump power of 22 mW, an intense line with FWHM <0.2 nm was observed at 578 nm.

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Polymer microdisk and microring lasers

Cited by 160 publications

References 12 publications

Direct laser writing for active and passive high-Q polymer microdisks on silicon

Direct laser writing for active and passive high-Q polymer microdisks on silicon

Laser emission from transversely pumped dye-doped free-standing polymer film

Angular dependent light emission from planar waveguides

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