A novel laser device for all optical wavelength conversion

Zhenguo Lu; Chander Prakash Grover

doi:10.1117/12.577172

20 January 2005 A novel laser device for all optical wavelength conversion

Zhenguo Lu, Chander Prakash Grover

Proceedings Volume 5628, Semiconductor Lasers and Applications II; (2005) https://doi.org/10.1117/12.577172
Event: Photonics Asia, 2004, Beijing, China

Abstract

A widely tunable, narrow-linewidth, simultaneous triple-wavelength oscillation erbium-doped fiber ring laser (EDFRL) has been developed. The EDFRL can produce double-wavelength oscillations with the same linear-polarization output, as well as another widely tunable wavelength oscillation with orthogonal linear-polarization from 1522.2 nm to 1595.9 nm. The long-term stability of the triple-wavelength output was observed with a high signal-to-noise ratio of larger than 40 dB. By using this EDFRL in combination with a 1550-nm semiconductor optical amplifier (SOA), an ultrabroad tunable wavelength converter is demonstrated with uniform efficiency and equalized optical signal-to-noise ratio (OSNR) over a 9.1 THz tuning range through four-wave mixing (FWM) in a SOA. This result is a significant improvement of both the conversion efficiency and the SNR as compared with the conventional FWM-based wavelength converters. We have also investigated the effect of both input power and wavelength of pump P2 on conversion efficiency and OSNR of the wavelength-converted signals

Citation Download Citation

Zhenguo Lu and Chander Prakash Grover "A novel laser device for all optical wavelength conversion", Proc. SPIE 5628, Semiconductor Lasers and Applications II, (20 January 2005); https://doi.org/10.1117/12.577172

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KEYWORDS

Signal to noise ratio

Data conversion

Modulation

Polarization

Fiber lasers

Tunable lasers

Optical amplifiers

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