Abstract

We show a first-time demonstration of amplification of 400 fs pulses in a fiber optical parametric amplifier. The 400 fs signal is stretched in time, amplified by 26 dB and compressed back to 500 fs. A significant broadening of the pulses is experimentally shown due to dispersion and limited gain bandwidth both in saturated and unsaturated gain regimes.

Highlights

  • Optical amplification of signals reaching multi-terabit per second per channel is becoming increasingly relevant following the recent demonstrations of single wavelength channel#193219 - $15.00 USD Received 1 Jul 2013; revised 10 Oct 2013; accepted 16 Oct 2013; published 24 Oct 2013(C) 2013 OSA systems at bit rates of 1.28 Tbit/s, 5.1 Tbit/s or even 10.2 Tbit/s [1,2,3], all using ultra-short pulses with pulse widths on the order of 500 fs

  • We investigate experimentally the effect of parametric amplification on 400 fs pulses, focusing on the distortion of the amplified pulses for different amplification levels both in the saturated and unsaturated gain regimes

  • Considering the optimal pump power for which the signal is centered with respect to one of the lobes in the Fiber optical parametric amplifiers (FOPAs) gain spectrum (Pp = 29 dBm), the full-width at half maximum (TFWHM) is 700 fs and 570 fs for signal input average power levels of −27 dBm and −7 dBm, corresponding to 26 dB and 7.5 dB of amplification, respectively

Read more

Summary

Introduction

#193219 - $15.00 USD Received 1 Jul 2013; revised 10 Oct 2013; accepted 16 Oct 2013; published 24 Oct 2013. Significant pulse distortion due to dispersion and limited FOPA gain bandwidth is reported Based on these results, we set the best FOPA configuration to demonstrate, for the first time to our knowledge, the amplification of Tbaud-class pulses in a fiber optical parametric amplifier. The signal pulses are stretched to approximately 53 ps in 310 m of standard single mode fiber (SSMF) in order to avoid saturation of the FOPA or supercontinuum generation in the HNLF [9] They are combined with the pump via a wavelength division multiplexer (WDM1) into a 500 m long HNLF, with a non-linear coefficient of 10.7 W−1 · km−1 and dispersion slope of 0.018 ps/(nm2 · km).

Results
Amplification of 400 fs pulses in the FOPCPA
Conclusion

Talk to us

Join us for a 30 min session where you can share your feedback and ask us any queries you have

Schedule a call

Disclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.