15 February 2018 RZ-DPSK photonic integrated transmitter for space optical communications
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Abstract
This work demonstrates the operation of a photonic integrated circuit transmitter for space optical communication utilizing an RZ-DPSK modulation format realized on an indium phosphide monolithic integration platform. It includes a widely tunable sampled grating distributed Bragg reflector laser, a semiconductor optical amplifier for amplification and burst mode operation, a dual drive Mach-Zehnder modulator (MZM) that efficiently encodes phase information, and an electro-absorption modulator RZ pulse carver.

The laser tuning range is approximately 35 nm across the telecommunications C-band. The MZM DC extinction ratio exceeds 15 dB for a differential drive voltage of 6 V peak-to-peak. Clear eye diagrams were demonstrated at 3 Gbps for OOK modulation and 1 Gbps for RZ-DPSK modulation.
Conference Presentation
© (2018) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Joseph Fridlander, Joseph Fridlander, Sergio Pinna, Sergio Pinna, Victoria Rosborough, Victoria Rosborough, Steven Estrella, Steven Estrella, Leif Johansson, Leif Johansson, Jonathan Klamkin, Jonathan Klamkin, } "RZ-DPSK photonic integrated transmitter for space optical communications", Proc. SPIE 10524, Free-Space Laser Communication and Atmospheric Propagation XXX, 105240Y (15 February 2018); doi: 10.1117/12.2287557; https://doi.org/10.1117/12.2287557
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