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High power, low divergent, substrate emitting quantum cascade ring laser in continuous wave operation
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| Zeitschriftentitel: | APL Materials |
|---|---|
| Personen und Körperschaften: | , |
| In: | APL Materials, 5, 2017, 3 |
| Format: | E-Article |
| Sprache: | Englisch |
| veröffentlicht: |
AIP Publishing
|
| Schlagwörter: |
| author_facet |
Wu, D. H. Razeghi, M. Wu, D. H. Razeghi, M. |
|---|---|
| author |
Wu, D. H. Razeghi, M. |
| spellingShingle |
Wu, D. H. Razeghi, M. APL Materials High power, low divergent, substrate emitting quantum cascade ring laser in continuous wave operation General Engineering General Materials Science |
| author_sort |
wu, d. h. |
| spelling |
Wu, D. H. Razeghi, M. 2166-532X AIP Publishing General Engineering General Materials Science http://dx.doi.org/10.1063/1.4978810 <jats:p>We demonstrate a surface grating coupled substrate emitting quantum cascade ring laser with high power room temperature continuous wave operation at 4.64 μm. A second order surface metal/semiconductor distributed-feedback grating is used for in-plane feedback and vertical out-coupling. A device with 400 μm radius ring cavity exhibits an output power of 202 mW in room temperature continuous wave operation. Single mode operation with a side mode suppression ratio of 25 dB is obtained along with a good linear tuning with temperature. The far field measurement exhibits a low divergent concentric ring beam pattern with a lobe separation of ∼0.34°, which indicates that the device operates in fundamental mode (n = 1).</jats:p> High power, low divergent, substrate emitting quantum cascade ring laser in continuous wave operation APL Materials |
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10.1063/1.4978810 |
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AIP Publishing, 2017 |
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AIP Publishing, 2017 |
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APL Materials |
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| title |
High power, low divergent, substrate emitting quantum cascade ring laser in continuous wave operation |
| title_unstemmed |
High power, low divergent, substrate emitting quantum cascade ring laser in continuous wave operation |
| title_full |
High power, low divergent, substrate emitting quantum cascade ring laser in continuous wave operation |
| title_fullStr |
High power, low divergent, substrate emitting quantum cascade ring laser in continuous wave operation |
| title_full_unstemmed |
High power, low divergent, substrate emitting quantum cascade ring laser in continuous wave operation |
| title_short |
High power, low divergent, substrate emitting quantum cascade ring laser in continuous wave operation |
| title_sort |
high power, low divergent, substrate emitting quantum cascade ring laser in continuous wave operation |
| topic |
General Engineering General Materials Science |
| url |
http://dx.doi.org/10.1063/1.4978810 |
| publishDate |
2017 |
| physical |
|
| description |
<jats:p>We demonstrate a surface grating coupled substrate emitting quantum cascade ring laser with high power room temperature continuous wave operation at 4.64 μm. A second order surface metal/semiconductor distributed-feedback grating is used for in-plane feedback and vertical out-coupling. A device with 400 μm radius ring cavity exhibits an output power of 202 mW in room temperature continuous wave operation. Single mode operation with a side mode suppression ratio of 25 dB is obtained along with a good linear tuning with temperature. The far field measurement exhibits a low divergent concentric ring beam pattern with a lobe separation of ∼0.34°, which indicates that the device operates in fundamental mode (n = 1).</jats:p> |
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| author | Wu, D. H., Razeghi, M. |
| author_facet | Wu, D. H., Razeghi, M., Wu, D. H., Razeghi, M. |
| author_sort | wu, d. h. |
| container_issue | 3 |
| container_start_page | 0 |
| container_title | APL Materials |
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| description | <jats:p>We demonstrate a surface grating coupled substrate emitting quantum cascade ring laser with high power room temperature continuous wave operation at 4.64 μm. A second order surface metal/semiconductor distributed-feedback grating is used for in-plane feedback and vertical out-coupling. A device with 400 μm radius ring cavity exhibits an output power of 202 mW in room temperature continuous wave operation. Single mode operation with a side mode suppression ratio of 25 dB is obtained along with a good linear tuning with temperature. The far field measurement exhibits a low divergent concentric ring beam pattern with a lobe separation of ∼0.34°, which indicates that the device operates in fundamental mode (n = 1).</jats:p> |
| doi_str_mv | 10.1063/1.4978810 |
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| imprint | AIP Publishing, 2017 |
| imprint_str_mv | AIP Publishing, 2017 |
| institution | DE-Bn3, DE-Brt1, DE-D161, DE-Zwi2, DE-Gla1, DE-Zi4, DE-15, DE-Pl11, DE-Rs1, DE-105, DE-14, DE-Ch1, DE-L229, DE-D275 |
| issn | 2166-532X |
| issn_str_mv | 2166-532X |
| language | English |
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| series | APL Materials |
| source_id | 49 |
| spelling | Wu, D. H. Razeghi, M. 2166-532X AIP Publishing General Engineering General Materials Science http://dx.doi.org/10.1063/1.4978810 <jats:p>We demonstrate a surface grating coupled substrate emitting quantum cascade ring laser with high power room temperature continuous wave operation at 4.64 μm. A second order surface metal/semiconductor distributed-feedback grating is used for in-plane feedback and vertical out-coupling. A device with 400 μm radius ring cavity exhibits an output power of 202 mW in room temperature continuous wave operation. Single mode operation with a side mode suppression ratio of 25 dB is obtained along with a good linear tuning with temperature. The far field measurement exhibits a low divergent concentric ring beam pattern with a lobe separation of ∼0.34°, which indicates that the device operates in fundamental mode (n = 1).</jats:p> High power, low divergent, substrate emitting quantum cascade ring laser in continuous wave operation APL Materials |
| spellingShingle | Wu, D. H., Razeghi, M., APL Materials, High power, low divergent, substrate emitting quantum cascade ring laser in continuous wave operation, General Engineering, General Materials Science |
| title | High power, low divergent, substrate emitting quantum cascade ring laser in continuous wave operation |
| title_full | High power, low divergent, substrate emitting quantum cascade ring laser in continuous wave operation |
| title_fullStr | High power, low divergent, substrate emitting quantum cascade ring laser in continuous wave operation |
| title_full_unstemmed | High power, low divergent, substrate emitting quantum cascade ring laser in continuous wave operation |
| title_short | High power, low divergent, substrate emitting quantum cascade ring laser in continuous wave operation |
| title_sort | high power, low divergent, substrate emitting quantum cascade ring laser in continuous wave operation |
| title_unstemmed | High power, low divergent, substrate emitting quantum cascade ring laser in continuous wave operation |
| topic | General Engineering, General Materials Science |
| url | http://dx.doi.org/10.1063/1.4978810 |