High-frequency Continuous-wave Optical Modulation Via Stimulated Raman Scattering

Released on by David Claiborne Gold
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  • High-frequency Continuous-wave Optical Modulation Via Stimulated Raman Scattering Book Detail

  • Author : David Claiborne Gold
  • Release Date : 2020
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  • Pages : 0
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  • File Size : 73,73 MB
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High-frequency Continuous-wave Optical Modulation Via Stimulated Raman Scattering by David Claiborne Gold PDF Summary

Book Description: This thesis describes work towards realizing an efficient, broadband optical modulator at terahertz frequencies. Such a device would have immediate and important implications for atomic physics research and fiber-optic communications, and also serves as the basic building block of the so far elusive arbitrary optical waveform generator. Our modulator is based on the process of continuous-wave molecular modulation, in which stimulated Raman scattering is used to drive coherent oscillations of molecules. We use a high-finesse optical cavity to build up intense laser fields and establish molecular coherence. Using this coherence, we then modulate an independent mixing beam by 90 terahertz, which is the highest rate ever recorded in the continuous-wave regime. We apply this same technique to modulate a pulsed titanium-sapphire laser and show the broadband capability of our modulator and infer its ability to narrow the pulses of the laser. We also describe our recent work to extend our modulation techniques to microresonators, which have the potential for both miniaturization and high modulation efficiency. We demonstrate Raman lasing with one of these microresonators, producing 300 milliwatts of Stokes light, which is two orders of magnitude higher than previously observed in these types of systems.

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Stimulated Raman Scattering Microscopy

Stimulated Raman Scattering Microscopy

File Size : 41,41 MB
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Stimulated Raman Scattering Microscopy: Techniques and Applications describes innovations in instrumentation, data science, chemical probe development, and vari