Dual-Comb Spectroscopy based on Single Electro-Optic Modulation

Jeong Hyun Huh,Zaijun Chen,Edoardo Vicentini,Theodor W. Hänsch,Nathalie Picqué

Dual-Comb Spectroscopy based on Single Electro-Optic Modulation

2020

Jeong Hyun Huh
Zaijun Chen
Edoardo Vicentini
Theodor W. Hänsch
Nathalie Picqué

A single electro-optic modulator enables near-infrared dual-comb spectroscopy over a span of 40 GHz with a 150-kHz refresh rate and a 50-s coherence time. The signal-to-noise ratio is 950 at 100-MHz resolution and 100-ms measurement.

Keywords:

Fiber Bragg grating
Absorption spectroscopy
Optoelectronics
Refresh rate
Modulation
Materials science
Coherence time
Spectroscopy
Near-infrared spectroscopy

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