Quantum-Noise-Limited Optical Frequency Comb Spectroscopy (CROSBI ID 181246)
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Podaci o odgovornosti
Foltynowicz, Aleksandra ; Ban, Ticijana ; Masłowski, Piotr ; Adler, Florian ; Ye, Jun
engleski
Quantum-Noise-Limited Optical Frequency Comb Spectroscopy
We achieve a quantum-noise-limited absorption sensitivity of 1.7*10^-12 cm-1 per spectral element at 400 s of acquisition time with cavity- enhanced frequency comb spectroscopy, the highest demonstrated for a comb-based technique. The system comprises a frequency comb locked to a high-finesse cavity and a fast-scanning Fourier transform spectrometer with an ultralow-noise autobalancing detector. Spectra with a signal-to- noise ratio above 1000 and a resolution of 380 MHz are acquired within a few seconds. The measured absorption line shapes are in excellent agreement with theoretical predictions.
quantum-noise-limited absorption sensitivity; frequency comb spectroscopy
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Podaci o izdanju
107 (23)
2011.
233002-1-233002-5
objavljeno
0031-9007
10.1103/PhysRevLett.107.233002