Chirp-managed lasers as cost-efficient transmitters for 10-Gbit/s WDM-PONs

Quang Trung Le; Ali Emsia; Dieter Briggmann; Franko Küppers

doi:10.1117/12.2001502

4 February 2013 Chirp-managed lasers as cost-efficient transmitters for 10-Gbit/s WDM-PONs

Quang Trung Le, Ali Emsia, Dieter Briggmann, Franko Küppers

Proceedings Volume 8645, Broadband Access Communication Technologies VII; 86450A (2013) https://doi.org/10.1117/12.2001502
Event: SPIE OPTO, 2013, San Francisco, California, United States

Abstract

Chirp-managed lasers (CML) are demonstrated as simple low-cost transmitter with high tolerance to chromatic dispersion. This manuscript proposes the use of CML as cost-effective downstream (DS) transmitters for next generation access networks. The laser chirp, which is the main drawback limiting the transmission performance of directly modulated lasers, is now used to generate differential phase-shift keying (DPSK) modulation format by direct modulation. The network architecture using CML as downstream DPSK transmitter is proposed. Bit error-rate measurement showed that an optical power budget of 36 dB could be obtained with direct phase-shift keying modulation ofCML which proves that the proposed solution is a strong candidate for future WDM-PONs. Budget-extended WDM-PON configuration is also demonstrated using Saturated Collision Amplifier, which is an amplification scheme that uses SOA saturation in order to maximize the output power and minimize the ASE noise and the polarization sensitivity. The extension scheme is demonstrated for four-wavelength 10 Gbit/s unidirectional downstream configuration with 60-dB maximum total optical budget for each wavelength.

Citation Download Citation

Quang Trung Le, Ali Emsia, Dieter Briggmann, and Franko Küppers "Chirp-managed lasers as cost-efficient transmitters for 10-Gbit/s WDM-PONs", Proc. SPIE 8645, Broadband Access Communication Technologies VII, 86450A (4 February 2013); https://doi.org/10.1117/12.2001502

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