$1.5\ \mu\mathrm{m}$ Wavelength Standard based on Acetylene Saturated Absorption at NIM

Abstract

This paper describes a $1.5\ \mu \mathrm{m}$ stabilized diode laser, which is based on the Doppler-free spectra of acetylene ¹³C2H2. This stabilized near infrared laser can be applied in the optical fiber communication as a wavelength reference standard. It takes the $3 f$ detection technique with one-way pump and probe configuration. The initial experiment results show that a relative stability of $4.2\times 10^{-13}$ at 100 s and standard uncertainty of $2.5\times 10^{-11}$ are obtained, respectively.