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説明
Stacks of intrinsic Josephson junctions in high-temperature superconductors enable the fabrication of compact sources of coherent terahertz radiation. Here, we demonstrate that multiple stacks patterned on the same Bi2Sr2CaCu2O8+δ crystal can—under optimized conditions—be synchronized to emit high-power THz-radiation. For three synchronized stacks, we achieved 610 μW of continuous-wave coherent radiation power at 0.51 THz. We suggest that synchronization is promoted by THz-waves in the base crystal. We note that synchronization cannot be achieved in all samples. However even in these cases, powers on the 100-μW scale can be generated.
収録刊行物
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- Applied physics letters
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Applied physics letters 103 (2), 22602-, 2013-07
American Institute of Physics
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詳細情報 詳細情報について
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- CRID
- 1573105977455685760
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- NII論文ID
- 120007136877
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- NII書誌ID
- AA00543431
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- ISSN
- 00036951
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- 本文言語コード
- en
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- データソース種別
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