A 6 × 30 Gb/s Tunable Transmitter PIC With Low RF Crosstalk From an Open-Access InP Foundry

作者: Weiming Yao , Barry Smalbrugge , Meint K. Smit , Kevin A. Williams , Michael J. Wale

DOI: 10.1109/JSTQE.2019.2914423

关键词: LaserTransmitterOptoelectronicsWavelength-division multiplexingPhase modulationIndium phosphidePhysicsFoundryQuantum wellPhotonic integrated circuit

摘要: We demonstrate a six-channel tunable optical transmitter photonic integrated circuit fabricated in an open-access indium phosphide foundry process. The device monolithically integrates 20-nm lasers and 30-Gb/s Mach–Zehnder modulators, without the use of Bragg gratings or quantum wells for phase modulation, to form compact ${\text{3.9}} \times {\text{4.5 mm}}^{2}$ high-density $\text{6} \text{30}$  Gb/s parallel transmitter. It exhibits capacity density metric 10 Gb/s/ $\text{mm}^2$ , comparable state-of-the-art results from literature low $  dB inter-channel radio-frequency crosstalk. With attractive price point 7 USD/Gb/s, can be low-cost solution data center interconnects residential access networks.

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