[16p-P12-1~2] 3.10 Optical quantum physics and technologies

△ [16p-P12-2] Linear cross-correlation measurements of timing jitter in a gain-switched DFB laser

〇(M1)Ryoichi Mizutani¹, Naoaki Kitagawa¹, Misato Nakata¹, Tetsuya Matsuyama¹, Kenji Wada¹ (1.Osaka pref. Univ.)

Keywords:DFB laser, timing-jitter, cross-correlation

A linear cross-correlation method to measure timing-jitter in pulse lasers was proposed which was based on the numerical fitting between the linear autocorrelation trace and the linear cross-correlation trace in consideration of a Gaussian timing-jitter function. The proposed method was applied to a gain-switched DFB laser under a CW light injection condition. As a result, timing jitter was estimated in the range of <0.1 – 6.3 ps.