A phase-stabilized carbon nanotube fiber laser frequency comb

Reference:

Lim, J., Knabe, K., Tillman, K. A., Neely, W., Wang, Y., Amezcua-Correa, R., Couny, F., Light, P. S., Benabid, F., Knight, J. C., Corwin, K. L., Nicholson, J. W. and Washburn, B. R., 2009. A phase-stabilized carbon nanotube fiber laser frequency comb. Optics Express, 17 (16), pp. 14115-14120.

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Official URL:

http://dx.doi.org/10.1364/OE.17.014115

Abstract

A frequency comb generated by a 167 MHz repetition frequency erbium-doped fiber ring laser using a carbon nanotube saturable absorber is phase-stabilized for the first time. Measurements of the in-loop phase noise show an integrated phase error on the carrier envelope offset frequency of 0.35 radians. The carbon nanotube fiber laser comb is compared with a CW laser near 1533 nm stabilized to the ν1 + ν3 overtone transition in an acetylene-filled kagome photonic crystal fiber reference, while the CW laser is simultaneously compared to another frequency comb based on a Cr:Forsterite laser. These measurements demonstrate that the stability of a GPS-disciplined Rb clock is transferred to the comb, resulting in an upper limit on the locked comb’s frequency instability of 1.2 × 10−11 in 1 s, and a relative instability of

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