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首页> 外文会议>International Symposium on Space Terahertz Technology >Spectral measurements of THz radiation from intrinsic Josephson junction BSCCO stacks; phase locking of the BSCCO oscillators
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Spectral measurements of THz radiation from intrinsic Josephson junction BSCCO stacks; phase locking of the BSCCO oscillators

机译：来自内在约瑟夫森交界处BSCCO堆栈的THz辐射的光谱测量; BSCCO振荡器的相位锁定

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Coherent THz emission from stacks of intrinsic Josephson junctions (IJJs), created naturally in the Bi_2Sr_2CaCu_2O_(8+x) unit cell, was measured by a superconducting integrated receiver (SIR). The noise temperature of the SIR is as low as 120 K and its spectral resolution is better than 0.1 MHz, which exceeds the resolution of modern terahertz-range Fourier spectrometers by several orders of magnitude. In this report, the results of the spectral measurements of THz radiation emitted from intrinsic Josephson junction stacks are summarized. The phase-locked SIR has been used also for the locking of the BSCCO oscillator under the test. About 10 % of the power emitted by the BSCCO oscillator operating at 563 GHz with free-running linewidth of 13.5 MHz has been phase locked. The possibility of mutual locking of two BSCCO oscillators fabricated on one substrate has been investigated by direct measurements of emitted radiation spectra by the SIR.
机译：通过超导集成接收器（SIR）测量来自BI_2SR_2CACU_2O_（8 + X）单元单元的堆栈的CONTHENTIC JOSEPHSEPON结符（IJJS）的相干THZ发射。 SIR的噪声温度低至120k，其光谱分辨率优于0.1MHz，超过现代太赫兹范围傅里叶光谱仪的分辨率几个数量级。 在本报告中，总结了内在约瑟夫森结堆发射的THz辐射的光谱测量结果。 锁相先生已经用于锁定在测试下的BSCCO振荡器。 BSCCO振荡器发出的大约10％的功率，在563 GHz下运行，通过自由运行的线宽为13.5 MHz，已锁定。 通过SIR通过直接测量发射的辐射光谱来研究相互锁定在一个基板上制造的两个BSCCO振荡器的可能性。

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