Characterization of a high coherence, Brillouin microcavity laser on silicon
نویسندگان
چکیده
منابع مشابه
Characterization of a high coherence, Brillouin microcavity laser on silicon.
Recently, a high efficiency, narrow-linewidth, chip-based stimulated Brillouin laser (SBL) was demonstrated using an ultra-high-Q, silica-on-silicon resonator. In this work, this novel laser is more fully characterized. The Schawlow Townes linewidth formula for Brillouin laser operation is derived and compared to linewidth data, and the fitting is used to measure the mechanical thermal quanta c...
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Ultralow-noise yet tunable lasers are a revolutionary tool in precision spectroscopy, displacement measurements at the standard quantum limit, and the development of advanced optical atomic clocks. Further applications include lidar, coherent communications, frequency synthesis, and precision sensors of strain, motion, and temperature. While all applications benefit from lower frequency noise, ...
متن کاملDual-microcavity narrow-linewidth Brillouin laser: supplementary material
supplementary material WILLIAM LOH, ADAM A. S. GREEN, FRED N. BAYNES, DANIEL C. COLE, FRANKLYN J. QUINLAN, HANSUEK LEE, KERRY J. VAHALA, SCOTT B. PAPP, SCOTT A. DIDDAMS, Time and Frequency Division, National Institute of Standards and Technology, Boulder, CO, 80305, USA T. J. Watson Laboratory of Applied Physics, California Institute of Technology, Pasadena, CA, 91125, USA *Corresponding author...
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Lasing from an erbium-doped high-Q silica toroidal microcavity coupled to a tapered optical fiber is demonstrated and analyzed. Average erbium ion concentrations were in the range 0.009–0.09 at. %, and a threshold power as low as 4.5 mW and an output lasing power as high as 39.4 mW are obtained from toroidal cavities with major diameters in the range 25–80 mm. Controlling lasing wavelength in a...
متن کاملSynchronous characterization of semiconductor microcavity laser beam.
We report on a high-resolution double-channel imaging method used to synchronously map the intensity- and optical-frequency-distribution of a laser beam in the plane orthogonal to the propagation direction. The synchronous measurement allows us to show that the laser frequency is an inhomogeneous distribution below threshold, but that it becomes homogeneous across the fundamental Gaussian mode ...
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ژورنال
عنوان ژورنال: Optics Express
سال: 2012
ISSN: 1094-4087
DOI: 10.1364/oe.20.020170