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Title: Electrically pumped mid-infrared random lasers
Authors: Liang, Hou Kun
Meng, Bo
Liang, Guozhen
Tao, Jin
Chong, Yidong
Wang, Qi Jie
Zhang, Ying
Keywords: DRNTU::Science::Physics::Optics and light
Issue Date: 2013
Source: Liang, H. K., Meng, B., Liang, G., Tao, J., Chong, Y., Wang, Q. J.,et al. (2013). Electrically pumped mid-infrared random lasers. Advanced Materials, 25(47), 6859-6863.
Series/Report no.: Advanced materials
Abstract: Electrically pumped random lasers, operating in the mid-infrared regime at λ ≈ 10 μm, are realized for the first time. Randomly distributed air holes are patterned onto a quantum cascade wafer emitting in the transverse-magnetic (TM) polarization. The advantage of employing TM polarized gain medium is that TM modes are more effectively confined in the gain region, and thus improve lasing efficiency and vertical confinement compared to TE modes.
ISSN: 0935-9648
DOI: 10.1002/adma.201303122
Rights: © 2013 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.
Fulltext Permission: none
Fulltext Availability: No Fulltext
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