We study the coherence properties of a narrow-linewidth chirped frequency comb from a frequency-shifted feedback laser seeded by a phase-modulated sub-kHz-linewidth single-frequency fiber laser. A length-dependent, <20-Hz wide RF beat is observed.
© 2011 OSA
M. F. Brandl and O. D. Muecke, "Narrow-Linewidth Chirped Frequency Comb from a Seeded Frequency-Shifted Feedback Ti:Sapphire Laser," in CLEO:2011 - Laser Applications to Photonic Applications, OSA Technical Digest (CD) (Optical Society of America, 2011), paper CWH6.
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