Emission of terahertz waves from stacks of intrinsic Josephson junctions.
Conference
·
· IEEE Trans. Appl. Supercond.
By patterning mesoscopic crystals of Bi{sub 2}Sr{sub 2}CaCu{sub 2}O{sub 8} (BSCCO) into electromagnetic resonators the oscillations of a large number of intrinsic Josephson junctions can be synchronized into a macroscopic coherent state accompanied by the emission of strong continuous wave THz-radiation. The temperature dependence of the emission is governed by the interplay of self-heating in the resonator and by re-trapping of intrinsic Josephson junctions which can yield a strongly non-monotonic temperature dependence of the emission power. Furthermore, proper shaping of the resonators yields THz-sources with voltage-tunable emission frequencies.
- Research Organization:
- Argonne National Laboratory (ANL)
- Sponsoring Organization:
- SC; Japan Science and Technology; CREST project; Japan Society for the Promotion of Science; Turkish TUBITAK; MEXT - Japan
- DOE Contract Number:
- AC02-06CH11357
- OSTI ID:
- 962553
- Report Number(s):
- ANL/MSD/CP-62523
- Journal Information:
- IEEE Trans. Appl. Supercond., Journal Name: IEEE Trans. Appl. Supercond. Journal Issue: 3 ; Jun. 2009 Vol. 19
- Country of Publication:
- United States
- Language:
- ENGLISH
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