Low-threshold and narrow-linewidth lasing from dye-doped holographic polymer-dispersed liquid crystal transmission gratings

by: YJ Liu, XW Sun, P Shum, HP Li, J Mi, W Ji, XH Zhang

Applied Physics Letters, Vol. 88, No. 6. (2006)

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Abstract

Optically pumped lasing with low threshold and narrow linewidth was observed in a 4-dicyanomethylene-2-methyl-6-p-dimethylaminostyryl-4H-pyran dye-doped holographic polymer-dispersed liquid crystal transmission grating structure. The results showed that the lasing peak centered at about 609 nm, with a full width at half maximum of about only 1.8 nm. The threshold pumping intensity was about 120 µJ under the excitation of a frequency-doubled Nd:yttrium–aluminum–garnet laser operating at a wavelength of 532 nm. Theoretical calculation showed that the lasing from this structure happened at the band edge of the photonic band gap. The lasing modes were also investigated. The transmission grating investigated enjoys a much larger gain length compared to the reflection one. ©2006 American Institute of Physics

@article{citeulike:497897, abstract = {Optically pumped lasing with low threshold and narrow linewidth was observed in a 4-dicyanomethylene-2-methyl-6-p-dimethylaminostyryl-4H-pyran dye-doped holographic polymer-dispersed liquid crystal transmission grating structure. The results showed that the lasing peak centered at about 609 nm, with a full width at half maximum of about only 1.8 nm. The threshold pumping intensity was about 120\ \ \µJ under the excitation of a frequency-doubled Nd:yttrium\&\#150;aluminum\&\#150;garnet laser operating at a wavelength of 532 nm. Theoretical calculation showed that the lasing from this structure happened at the band edge of the photonic band gap. The lasing modes were also investigated. The transmission grating investigated enjoys a much larger gain length compared to the reflection one. \©2006 American Institute of Physics}, author = {Liu, Y. J. and Sun, X. W. and Shum, P. and Li, H. P. and Mi, J. and Ji, W. and Zhang, X. H. }, citeulike-article-id = {497897}, doi = {http://dx.doi.org/10.1063/1.2172161}, journal = {Applied Physics Letters}, keywords = {grating, laser, pdlc}, number = {6}, posted-at = {2006-02-08 06:14:43}, priority = {3}, publisher = {AIP}, title = {Low-threshold and narrow-linewidth lasing from dye-doped holographic polymer-dispersed liquid crystal transmission gratings}, url = {http://dx.doi.org/10.1063/1.2172161}, volume = {88}, year = {2006} }

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TY - JOUR ID - citeulike:497897 L3 - citeulike-article-id:497897 TI - Low-threshold and narrow-linewidth lasing from dye-doped holographic polymer-dispersed liquid crystal transmission gratings JF - Applied Physics Letters VL - 88 IS - 6 PB - AIP N2 - Optically pumped lasing with low threshold and narrow linewidth was observed in a 4-dicyanomethylene-2-methyl-6-p-dimethylaminostyryl-4H-pyran dye-doped holographic polymer-dispersed liquid crystal transmission grating structure. The results showed that the lasing peak centered at about 609 nm, with a full width at half maximum of about only 1.8 nm. The threshold pumping intensity was about 120  µJ under the excitation of a frequency-doubled Nd:yttriumaluminumgarnet laser operating at a wavelength of 532 nm. Theoretical calculation showed that the lasing from this structure happened at the band edge of the photonic band gap. The lasing modes were also investigated. The transmission grating investigated enjoys a much larger gain length compared to the reflection one. ©2006 American Institute of Physics KW - grating KW - laser KW - pdlc AU - Liu, YJ AU - Sun, XW AU - Shum, P AU - Li, HP AU - Mi, J AU - Ji, W AU - Zhang, XH PY - 2006/// UR - http://dx.doi.org/10.1063/1.2172161 ER -

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