Unidirectional ring TI3+:Al2O3 laser generation at the wavelength of an atomic absorption line by bidirectional passive self-injection locking

Abstract

A simple, purely optical approach to produce, in a ring Ti:Al2O3 laser, a pulsed unidirectional generation, spectrally fixed at a reference atomic absorption line is described. The control relies on the unbalance between two opposite, passive, wavelength-scanned self-injections that is produced by the absorption at the reference line. It is shown both experimentally and theoretically that: (i) the emitted spectrum is centered at the absorption maximum and (ii) due to the nonlinear character of the process the spectrum is narrowed several times compared with an absorption linewidth.

Atomic Spectrometry Update. Advances in atomic emission, absorption, and fluorescence spectrometry, and related techniques

“…A ring Ti:A1 2 O 3 laser has been ''locked'' to atomic absorption lines by bidirectional passive self-injection locking. 491 The control relied on the imbalance between two opposite wavelength scanned self injections that was produced by absorption at the reference line. The emitted spectrum was centred at the absorption maximum and was much narrower then the absorption linewidth.…”

Bidirectional passive self-injection locking at an atomic absorption line in a ring Ti3+:Al 2 O 3 laser: temporal characteristics

“…With appropriate adaptation of the system of rate equations4 ,we can describe our scheme by: dN/=WpNt_B(qi+q2).N_N.r_l (1) dq/ (Va.B.N_r1)+2_1(1R4).R.Ln()/4).c.L1_1 .q (2) d2/ = (Va . With appropriate adaptation of the system of rate equations4 ,we can describe our scheme by: dN/=WpNt_B(qi+q2).N_N.r_l (1) dq/ (Va.B.N_r1)+2_1(1R4).R.Ln()/4).c.L1_1 .q (2) d2/ = (Va .…”