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Room temperature single-mode terahertz sources based on intracavity difference-frequency generation in quantum cascade lasers
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| Zeitschriftentitel: | Applied Physics Letters |
|---|---|
| Personen und Körperschaften: | , , , , |
| In: | Applied Physics Letters, 99, 2011, 13 |
| Format: | E-Article |
| Sprache: | Englisch |
| veröffentlicht: |
AIP Publishing
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| Schlagwörter: |
| author_facet |
Lu, Q. Y. Bandyopadhyay, N. Slivken, S. Bai, Y. Razeghi, M. Lu, Q. Y. Bandyopadhyay, N. Slivken, S. Bai, Y. Razeghi, M. |
|---|---|
| author |
Lu, Q. Y. Bandyopadhyay, N. Slivken, S. Bai, Y. Razeghi, M. |
| spellingShingle |
Lu, Q. Y. Bandyopadhyay, N. Slivken, S. Bai, Y. Razeghi, M. Applied Physics Letters Room temperature single-mode terahertz sources based on intracavity difference-frequency generation in quantum cascade lasers Physics and Astronomy (miscellaneous) |
| author_sort |
lu, q. y. |
| spelling |
Lu, Q. Y. Bandyopadhyay, N. Slivken, S. Bai, Y. Razeghi, M. 0003-6951 1077-3118 AIP Publishing Physics and Astronomy (miscellaneous) http://dx.doi.org/10.1063/1.3645016 <jats:p>We demonstrate room temperature single-mode THz emission at 4 THz based on intracavity difference-frequency generation from mid-infrared dual-wavelength quantum cascade lasers. An integrated dual-period distributed feedback grating is defined on the cap layer to purify both mid-infrared pumping wavelengths and in turn the THz spectra. Single mode operation of the pumping wavelengths results in a single-mode THz operation with a narrow linewidth of 6.6 GHz. A maximum THz power of 8.5 μW with a power conversion efficiency of 10 μW/W2 is obtained at room temperature.</jats:p> Room temperature single-mode terahertz sources based on intracavity difference-frequency generation in quantum cascade lasers Applied Physics Letters |
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Applied Physics Letters |
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| title |
Room temperature single-mode terahertz sources based on intracavity difference-frequency generation in quantum cascade lasers |
| title_unstemmed |
Room temperature single-mode terahertz sources based on intracavity difference-frequency generation in quantum cascade lasers |
| title_full |
Room temperature single-mode terahertz sources based on intracavity difference-frequency generation in quantum cascade lasers |
| title_fullStr |
Room temperature single-mode terahertz sources based on intracavity difference-frequency generation in quantum cascade lasers |
| title_full_unstemmed |
Room temperature single-mode terahertz sources based on intracavity difference-frequency generation in quantum cascade lasers |
| title_short |
Room temperature single-mode terahertz sources based on intracavity difference-frequency generation in quantum cascade lasers |
| title_sort |
room temperature single-mode terahertz sources based on intracavity difference-frequency generation in quantum cascade lasers |
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Physics and Astronomy (miscellaneous) |
| url |
http://dx.doi.org/10.1063/1.3645016 |
| publishDate |
2011 |
| physical |
|
| description |
<jats:p>We demonstrate room temperature single-mode THz emission at 4 THz based on intracavity difference-frequency generation from mid-infrared dual-wavelength quantum cascade lasers. An integrated dual-period distributed feedback grating is defined on the cap layer to purify both mid-infrared pumping wavelengths and in turn the THz spectra. Single mode operation of the pumping wavelengths results in a single-mode THz operation with a narrow linewidth of 6.6 GHz. A maximum THz power of 8.5 μW with a power conversion efficiency of 10 μW/W2 is obtained at room temperature.</jats:p> |
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| author | Lu, Q. Y., Bandyopadhyay, N., Slivken, S., Bai, Y., Razeghi, M. |
| author_facet | Lu, Q. Y., Bandyopadhyay, N., Slivken, S., Bai, Y., Razeghi, M., Lu, Q. Y., Bandyopadhyay, N., Slivken, S., Bai, Y., Razeghi, M. |
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| description | <jats:p>We demonstrate room temperature single-mode THz emission at 4 THz based on intracavity difference-frequency generation from mid-infrared dual-wavelength quantum cascade lasers. An integrated dual-period distributed feedback grating is defined on the cap layer to purify both mid-infrared pumping wavelengths and in turn the THz spectra. Single mode operation of the pumping wavelengths results in a single-mode THz operation with a narrow linewidth of 6.6 GHz. A maximum THz power of 8.5 μW with a power conversion efficiency of 10 μW/W2 is obtained at room temperature.</jats:p> |
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| imprint_str_mv | AIP Publishing, 2011 |
| institution | DE-D275, DE-Bn3, DE-Brt1, DE-D161, DE-Gla1, DE-Zi4, DE-15, DE-Pl11, DE-Rs1, DE-105, DE-14, DE-Ch1, DE-L229 |
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| source_id | 49 |
| spelling | Lu, Q. Y. Bandyopadhyay, N. Slivken, S. Bai, Y. Razeghi, M. 0003-6951 1077-3118 AIP Publishing Physics and Astronomy (miscellaneous) http://dx.doi.org/10.1063/1.3645016 <jats:p>We demonstrate room temperature single-mode THz emission at 4 THz based on intracavity difference-frequency generation from mid-infrared dual-wavelength quantum cascade lasers. An integrated dual-period distributed feedback grating is defined on the cap layer to purify both mid-infrared pumping wavelengths and in turn the THz spectra. Single mode operation of the pumping wavelengths results in a single-mode THz operation with a narrow linewidth of 6.6 GHz. A maximum THz power of 8.5 μW with a power conversion efficiency of 10 μW/W2 is obtained at room temperature.</jats:p> Room temperature single-mode terahertz sources based on intracavity difference-frequency generation in quantum cascade lasers Applied Physics Letters |
| spellingShingle | Lu, Q. Y., Bandyopadhyay, N., Slivken, S., Bai, Y., Razeghi, M., Applied Physics Letters, Room temperature single-mode terahertz sources based on intracavity difference-frequency generation in quantum cascade lasers, Physics and Astronomy (miscellaneous) |
| title | Room temperature single-mode terahertz sources based on intracavity difference-frequency generation in quantum cascade lasers |
| title_full | Room temperature single-mode terahertz sources based on intracavity difference-frequency generation in quantum cascade lasers |
| title_fullStr | Room temperature single-mode terahertz sources based on intracavity difference-frequency generation in quantum cascade lasers |
| title_full_unstemmed | Room temperature single-mode terahertz sources based on intracavity difference-frequency generation in quantum cascade lasers |
| title_short | Room temperature single-mode terahertz sources based on intracavity difference-frequency generation in quantum cascade lasers |
| title_sort | room temperature single-mode terahertz sources based on intracavity difference-frequency generation in quantum cascade lasers |
| title_unstemmed | Room temperature single-mode terahertz sources based on intracavity difference-frequency generation in quantum cascade lasers |
| topic | Physics and Astronomy (miscellaneous) |
| url | http://dx.doi.org/10.1063/1.3645016 |