Temporally flat top pulse generation from gain switched semiconductor lasers based on a polarization interferometer with variable transfer function

OPTICS COMMUNICATIONS

卷:329

Article

Consoli, Antonio¹  Esquivias, Ignacio¹ 

[1] Univ Politecn Madrid, CEMDAT, Dept Tecnol Foton & Bioingn, E-28040 Madrid, Spain

关键词: Pulse shaping;    Polarization interferometer;    Flat top pulses;    Gain switched semiconductor lasers;    Picosecond phenomena;   

DOI  :  10.1016/j.optcom.2014.04.073

来源: Elsevier

【 摘 要 】

We propose the use of a polarization based interferometer with variable transfer function for the generation of temporally flat top pulses from gain switched single mode semiconductor lasers. The main advantage of the presented technique is its flexibility in terms of input pulse characteristics, as pulse duration, spectral bandwidth and operating wavelength. Theoretical predictions and experimental demonstrations are presented and the proposed technique is applied to two different semiconductor laser sources emitting in the 1550 nm region. Flat top pulses are successfully obtained with input seed pulses with duration ranging from 40 ps to 100 ps. (C) 2014 Elsevier B.V. All rights reserved.

【 授权许可】

Free