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Proceedings Paper

High-speed RZ-DPSK photonic integrated transmitter for space optical communications
Author(s): Joseph Fridlander; Victoria Rosborough; Fengqiao Sang; Sergio Pinna; Steven Estrella; Leif Johansson; Jonathan Klamkin
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Paper Abstract

We report on a monolithic indium phosphide photonic integrated transmitter capable of generating high-speed return-tozero differential phase shift keying (RZ-DPSK) data streams for space optical communications as high as 5 Gbps. The integrated transmitter includes a sampled grating distributed Bragg reflector laser continuously tunable over 30 nm in the C-band, a semiconductor optical amplifier for amplification, a Mach-Zehnder modulator for encoding phase-shift-keying data, and electro-absorption modulator for return-to-zero pulse carving. The transmitter is situated in a custom electronics test bed for biasing various PIC sections and driving the modulators. Furthermore, this transmitter can also be utilized for 10 Gbps DPSK or NRZ-OOK.

Paper Details

Date Published: 6 September 2019
PDF: 7 pages
Proc. SPIE 11133, Laser Communication and Propagation through the Atmosphere and Oceans VIII, 1113309 (6 September 2019);
Show Author Affiliations
Joseph Fridlander, Univ. of California, Santa Barbara (United States)
Victoria Rosborough, Univ. of California, Santa Barbara (United States)
Fengqiao Sang, Univ. of California, Santa Barbara (United States)
Sergio Pinna, Univ. of California, Santa Barbara (United States)
Steven Estrella, Univ. of California, Santa Barbara (United States)
Freedom Photonics, LLC (United States)
Leif Johansson, Freedom Photonics, LLC (United States)
Jonathan Klamkin, Univ. of California, Santa Barbara (United States)


Published in SPIE Proceedings Vol. 11133:
Laser Communication and Propagation through the Atmosphere and Oceans VIII
Jeremy P. Bos; Alexander M. J. van Eijk; Stephen Hammel, Editor(s)

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