Slight, T.J., Tandoi, G., Revin, D.G., McKee, A., Zhang, S.Y., Meredith, W., Cockburn, J.W. and Ironside, C.N. (2011) λ ∼ 3.35μ m distributed-feedback quantum-cascade lasers with high-aspect-ratio lateral grating. IEEE Photonics Technology Letters, 23(7), pp. 420-422. (doi: 10.1109/LPT.2010.2103358)
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Abstract
We report the development of room-temperature distributed-feedback quantum-cascade lasers operating in a single mode in the 3.34 to 3.35 μm wavelength range. First-order lateral gratings with high aspect ratio (the ratio between the grating etch depth and its period) were formed using inductively coupled plasma etching. The as-cleaved lasers emit in pulsed regime with a sidemode suppression ratio of up to 24 dB and a peak single-mode output power of 130 mW from a single facet.
| Item Type: | Articles |
|---|---|
| Status: | Published |
| Refereed: | Yes |
| Glasgow Author(s) Enlighten ID: | Ironside, Professor Charles and Tandoi, Mr Giuseppe and Slight, Dr Thomas |
| Authors: | Slight, T.J., Tandoi, G., Revin, D.G., McKee, A., Zhang, S.Y., Meredith, W., Cockburn, J.W., and Ironside, C.N. |
| Subjects: | T Technology > TK Electrical engineering. Electronics Nuclear engineering |
| College/School: | College of Science and Engineering > School of Engineering > Electronics and Nanoscale Engineering |
| Journal Name: | IEEE Photonics Technology Letters |
| Publisher: | IEEE |
| ISSN: | 1041-1135 |
| Published Online: | 30 December 2010 |
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