Control of radiation parameters

Actively mode-locked diode laser with a mode spacing stability of ∼ 6×10^-14

V. F. Zakhariash^a, A. V. Kashirsky, V. M. Klementyev<sup>a

a</sup> Institute of Laser Physics, Siberian Branch, Russian Academy of Sciences, Novosibirsk

Abstract: We have studied mode spacing stability in an actively mode-locked external-cavity semiconductor laser. It has been shown that, in the case of mode spacing pulling to the frequency of a highly stable external microwave signal produced by a hydrogen standard (stability of 4×10^-14 over an averaging period τ=10 s), this configuration ensures a mode spacing stability of 5.92×10^-14 (τ=10 s).

Keywords: diode laser, active mode locking, beat spectrum, mode spacing stability.

PACS: 42.55.Px, 42.62.Eh

Received: 11.09.2014
Revised: 09.02.2015

 English version: Quantum Electronics, 2015, 45:10, 897–898

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