High Optical Power, High Gain and High Dynamic Range Directly Modulated Optical Link

Author

Faugeron, Michael ; Chtioui, Mourad ; Enard, A. ; Parillaud, O. ; Lelarge, F. ; Achouche, M. ; Jacquet, Joel ; Marceaux, A. ; van Dijk, Frederic

Author_Institution

Thales Air Syst., Limours, France

Volume

31

Issue

8

fYear

2013

fDate

15-Apr-13

Firstpage

1227

Lastpage

1233

Abstract

In order to achieve a high output power, high gain and high dynamic range directly modulated optical link, we have developed a high power and low noise DFB laser and a high power handling and high efficiency photodiode with specific designs. The laser exhibits high power (180 mW), high efficiency (0.4 W/A), low RIN and a 7.4 GHz modulation bandwidth. The UTC photodiode offers high efficiency (1 A/W), high saturation current (90 mA) and 15 GHz modulation bandwidth. We have realized a low loss optical link with no amplifier and no impedance matching network. We have obtained a 7.3 GHz modulation bandwidth link with a gain higher than . Third order intermodulation of the devices at various different polarization points has been investigated to deduce the optical link dynamic range. At 2.5 GHz, we have demonstrated an OIP3 of 37 dBm and a SFDR close to 120 dB · Hz^2/3.

Keywords

distributed feedback lasers; laser noise; optical design techniques; optical fibre communication; optical fibre losses; optical fibre polarisation; optical links; optical modulation; photodiodes; semiconductor lasers; UTC photodiode; bandwidth 2.5 GHz to 15 GHz; current 90 mA; directly modulated optical link; high dynamic range; high efficiency photodiode; high gain; high optical power; high power handling photodiode; high saturation current; low RIN; low loss optical link; low noise DFB laser; polarization points; power 180 mW; relative intensity noise; third order intermodulation; Laser noise; Measurement by laser beam; Optical fiber communication; Optical fibers; Photoconductivity; Photodiodes; Analog fiber optic link; high power directly modulated laser; high power photodiode; microwave photonics; spurious free dynamic range;

fLanguage

English

Journal_Title

Lightwave Technology, Journal of

Publisher

ieee

ISSN

0733-8724

Type

jour

DOI

10.1109/JLT.2013.2246768

Filename

6461037