Abstract

A $2.5\mathrm{Gb}/\mathrm{s}$ differential binary phase-shift keying (DPSK) transmitter based on direct phase modulation of a vertical cavity surface emitting lasers (VCSEL) using its own chirp is proposed. The VCSEL, which has a wavelength of 1539.84 nm, has been characterized both statically and dynamically. The sensitivity of a single photodiode heterodyne receiver using the proposed $2.5\mathrm{Gb}/\mathrm{s}$ VCSEL transmitter is $-39.5\mathrm{dBm}$. Thus, this transmitter is an extremely cost-effective solution for future access networks.

© 2017 Optical Society of America

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