Ultrashort Flat-Top Pulse Generation Using On-Chip CMOS-Compatible Mach–Zehnder Interferometers

Author

Li, Ming ; Dumais, Patrick ; Ashrafi, Reza ; Bazargani, Hamed Pishvai ; Quélène, Jean-Baptiste ; Callender, Claire ; Azaña, José

Author_Institution

Inst. Nat. de la Rech. Sci., Montreal, QC, Canada

Volume

24

Issue

16

fYear

2012

Firstpage

1387

Lastpage

1389

Abstract

Reshaping of an ultrashort Gaussian-like pulse into a flat-top pulse is demonstrated using an integrated Mach-Zehnder interferometer (MZI). The 7.8-ps Gaussian-like pulses are reshaped into nearly chirp-free 17.1-ps and 20.0-ps flat-top-pulses based on two different linear filtering schemes. In addition, the capability of this integrated MZI to generate a Hermite-Gaussian pulse with duration of a few picoseconds is demonstrated.

Keywords

CMOS integrated circuits; Mach-Zehnder interferometers; integrated optoelectronics; optical filters; optical pulse generation; CMOS; Hermite-Gaussian pulse; Mach-Zehnder interferometers; chirp-free flat top pulses; different linear filtering; time 17.1 ps; time 20 ps; time 7.8 ps; ultrashort Gaussian-like pulse; ultrashort flat-top pulse generation; Optical fibers; Optical interferometry; Optical pulse generation; Optical pulses; Pulse measurements; Wavelength measurement; Complementary metal-oxide semiconductor (CMOS)-compatible optical components; flat-top pulse generation; linear filtering;

fLanguage

English

Journal_Title

Photonics Technology Letters, IEEE

Publisher

ieee

ISSN

1041-1135

Type

jour

DOI

10.1109/LPT.2012.2203335

Filename

6218754