lambda \sim \ \mum Distributed-Feedback Quantum-Cascade Lasers With High-Aspect-Ratio Lateral Grating
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 co...
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| Veröffentlicht in: | IEEE photonics technology letters 2011-04, Vol.23 (7), p.420-422 |
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| container_end_page | 422 |
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| container_issue | 7 |
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| container_title | IEEE photonics technology letters |
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| creator | Slight, T J Tandoi, G Revin, D G McKee, A Zhang, S Y Meredith, W Cockburn, J W Ironside, C N |
| description | 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. |
| doi_str_mv | 10.1109/LPT.2010.2103358 |
| format | Article |
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| ispartof | IEEE photonics technology letters, 2011-04, Vol.23 (7), p.420-422 |
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| source | IEEE Electronic Library (IEL) |
| subjects | Distributed feedback devices Distributed-feedback (DFB) devices Gas lasers Gratings Indium phosphide optical tuning Optical waveguides Quantum cascade lasers quantum-cascade lasers (QCLs) Tuning |
| title | lambda \sim \ \mum Distributed-Feedback Quantum-Cascade Lasers With High-Aspect-Ratio Lateral Grating |
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