We have developed a fiber-based frequency comb system consisting of a simple mode-
locked fiber laser and a backward pumping amplifier combined with a highly nonlinear fiber …

High-resolution near-infrared (4000–9000cm− 1) spectra of carbon dioxide have been
recorded using the McMath–Pierce Fourier transform spectrometer at the Kitt Peak National …

Intensity and line shape parameters which predict spectral lines with absolute accuracies
better than 0.3% have been determined for transitions of the 30012← 00001 band of …

The space-based Orbiting Carbon Observatory (OCO) mission will achieve global
measurements needed to distinguish spatial and temporal gradients in the CO2 column …

We present new high accuracy measurements of the (30012)←(00001) CO 2 band near
1575 nm recorded with a frequency-agile, rapid scanning cavity ring-down spectrometer …

Absolute frequency measurements, with uncertainties as low as 2 kHz (1× 10^− 11), are
presented for the ν1+ ν3 band of^ 12C2H2 at 1.5 μm (194-198 THz). The measurements …

The absolute frequency of an acetylene-stabilized laser at 1542 nm is measured at its
second harmonic (771 nm) by use of a femtosecond optical comb based on a mode-locked …

We have established a frequency measurement system for frequency-stabilized lasers
operating in telecommunication wavelength bands, by using a femtosecond optical comb …

We demonstrate the third harmonic generation of a 1542-nm laser using a dual-pitch
periodically poled lithium niobate waveguide with a conversion efficiency of 66%/W^ 2. The …

We have developed and characterized a pair of Doppler-free acetylene-stabilized diode
laser frequency standards as optical communications references. The Allan deviation σ/f of …