Self-Generation of Microwave Magnetic Envelope Soliton Trains in Yttrium Iron Garnet Thin Films

Autor:	N.G. Kovshikov, Carl E. Patton, Boris A. Kalinikos
Rok vydání:	1998
Předmět:	Self generation Materials science Phase (waves) Yttrium iron garnet General Physics and Astronomy Condensed Matter::Materials Science chemistry.chemical_compound chemistry Soliton Atomic physics Thin film Microwave Pulse-width modulation Envelope (waves)
Zdroj:	Physical Review Letters. 80:4301-4304
ISSN:	1079-7114 0031-9007
DOI:	10.1103/physrevlett.80.4301
Popis:	The self-generation of microwave magnetic envelope solitons in magnetic films has been realized for the first time. Solitons with a width of 20 ns and a carrier frequency of 5.1555 GHz were generated for the magnetostatic backward volume wave (MSBVW) configuration in a $5.2\ensuremath{\mu}\mathrm{m}$ thick yttrium iron garnet film. The film and MSBVW propagation structure were part of a ring with an overall gain of $+4\mathrm{dB}$. Pulse modulation at 10 MHz provided the interrupted feedback and the active mode locking which was needed to produce a stable and continuous stream of self-generated soliton pulses. Pulse width and phase measurements confirmed the soliton nature of the self-generated pulses.
Databáze:	OpenAIRE
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