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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, Sergio Pinna, Victoria Rosborough, Steven Estrella, Leif Johansson, and 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); https://doi.org/10.1117/12.2287557
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