Low-noise Brillouin laser on a chip at 1064 nm

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We demonstrate narrow-linewidth-stimulated Brillouin lasers at 1064 nm from ultra-high-Q silica wedge disk resonators on silicon. Fundamental Schawlow-Townes frequency noise of the laser is on the order of 0.1 Hz(2)/Hz. The technical noise spectrum of the on-chip Brillouin laser is close to the thermodynamic noise limit of the resonator (thermorefractive noise) and is comparable to that of ultra-narrow-linewidth Nd: YAG lasers. The relative intensity noise of the Brillouin laser also is reduced by using an intensity-stabilized pump laser. Finally, low-noise microwave synthesis up to 32 GHz is demonstrated by heterodyne of first and third Brillouin Stokes lines from a single resonator. (C) 2013 Optical Society of America
Publisher
OPTICAL SOC AMER
Issue Date
2014-01
Language
English
Article Type
Article
Keywords

FREQUENCY STABILIZATION; FIBER LASER; SPECTROSCOPY; HG-199(+); RESONATOR; LINEWIDTH; SILICON; PHASE

Citation

OPTICS LETTERS, v.39, no.2, pp.287 - 290

ISSN
0146-9592
DOI
10.1364/OL.39.000287
URI
http://hdl.handle.net/10203/198968
Appears in Collection
NT-Journal Papers(저널논문)
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