Raman gain in glass optical waveguide
WebbThe strong optical confinement in silicon waveguides is an attractive property as it lowers the pump power required for the onset of Raman scattering. The SiGe material system is … Webb22 juni 2006 · Jones, R. et al. Net continuous wave optical gain in a low loss silicon-on-insulator waveguide by stimulated Raman scattering. Opt. Express 13 , 519–525 (2005)
Raman gain in glass optical waveguide
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WebbFor a 4.8 cm long waveguide with an effective core area of ~1.6 µm2, we obtain a net CW Raman gain of >3dB with a pump power of ~700mW inside the waveguide. We observe … Webb13 jan. 2016 · We experimentally investigate both germanosilicate and phosphosilicate Raman gain fibers with selective transverse doping profiles in the context of altering the fiber acoustic waveguide properties for increasing the threshold at which total Raman amplified power is saturated by SBS.
Webb12 mars 2024 · Femtosecond direct laser writing is a well-established and robust technique for the fabrication of photonic structures. Herein, we report on the fabrication of buried waveguides in AgPO3 silver metaphosphate glasses, as well as, on the erase and re-writing of those structures, by means of a single femtosecond laser source. Based on the … WebbStimulated Raman emission in the visible has been observed in glass-fiber optical waveguides. Even though the Raman cross section is quite small, relatively low …
WebbWe report a new characterization technique of Raman gain materials through inverse Raman scattering (IRS). The technique is applied to silica glass optical fiber and several liquids in liquid-core optical fiber (LCOF). We obtain good quantitative agreement with a conventional technique that estimates the gain coefficient from steady-state Raman … Webb28 aug. 2008 · Backward Raman amplification in a fused‐silica fiber waveguide is studied using two dye lasers for its possible application as an amplifier and a pulse sharpening device. Greater than 90% of pump to signal conversion is observed together with a preferential amplification of the signal pulse front.
Webb10 juli 2024 · Femtosecond-laser (fs) waveguide writing in glass is a promising fabrication technique for integrated optics, due to its versatility to rapidly direct-write complex structures with fine precision ...
Webb1 okt. 2011 · We have measured the absolute Raman gain spectrum in short fluoride soft glass fibers with a pump wavelength of 1650 nm . We found a peak gain of g R = 4.0 ± 2 × 10 − 14 m W − 1 . new york city guidelines for covid-19Webb24 sep. 2004 · We obtained 2.3 dB Raman gain in a 4.8-cm-long S-shaped WG using a 1455 nm pump laser with a cw power of 0.9 W measured before the WG. In addition, we … new york city guardianship attorneyWebbWe fabricated a low-loss (∼0.22dB/cm) rib waveguide (WG) in silicon-on-insulator with a small effective core area of ∼1.57μm 2 and measured the stimulated Raman scattering … new york city guidelines for mold remediationnew york city guns telegramWebbAbstract. Optical fibers can exhibit wavelength conversion and other nonlinear optical effects at powers less than one watt. The reason has little to do with the glass in the … new york city gtaWebbThe Raman scattering of light is one of the oldest and most well-studied optical phenomena. It was discovered more than 70 years ago and was named after one of the authors of this discovery. In 1928 C. V. Raman and K. S. Krishnan published the paper in which they described light scattering in liquids, the frequency of the scattering light … miles hunt and wayne hussey james whaleWebb16 okt. 2003 · The small signal Raman gain in a single‐mode glass waveguide amplifier has been measured directly. The measured gain is in good agreement with that … new york city guide app