High Speed Electro-Absorption Modulator for Long Range Retroreflective Free Space Optics

In this letter, we present the design and implementation of a pixelated electro-absorption modulator-based modulating retroreflector (MRR) for high-speed optical wireless communications. The modulator is based on a multiple quantum well structure embedded in an asymmetric Fabry-Perot cavity. This MR...

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Bibliographic Details
Published in:IEEE photonics technology letters Vol. 29; no. 9; pp. 707 - 710
Main Authors: Quintana, C., Wang, Q., Jakonis, D., Piao, X., Erry, G., Platt, D., Thueux, Y., Gomez, A., Faulkner, G., Chun, H., Salter, M., O'Brien, D.
Format: Journal Article
Language:English
Published: New York IEEE 01.05.2017
The Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subjects:
Absorption
Apertures
Asymmetric Fabry-Perot cavities
Bit error rate
Controlled conditions
Design and implementations
Electroabsorption modulators
Fabry-Perot interferometers
Free Space Optical communication
Free space optics
Free-space optical communications
Indoor environments
Laser beams
Light modulators
Modulating retro-reflectors
modulating retroreflector
Modulators
Multiple quantum-well structures
Optical communication
Optical modulation
Optical reflection
Optical wireless
Optical wireless communications
Quantum well device
Quantum well devices
Quantum wells
Semiconducting indium compounds
Semiconductor quantum wells
Space optics
Wireless communications
Wireless telecommunication systems
ISSN:1041-1135, 1941-0174, 1941-0174
Online Access:Get full text
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Summary:In this letter, we present the design and implementation of a pixelated electro-absorption modulator-based modulating retroreflector (MRR) for high-speed optical wireless communications. The modulator is based on a multiple quantum well structure embedded in an asymmetric Fabry-Perot cavity. This MRR was used in an outdoor link, operating at 150 Mb/s with a bit error rate (BER) of 1.22 × 10 -6 at a range of 200 m. The system was also tested in laboratory-controlled conditions achieving a data rate of 200 Mb/s with a BER of 2 × 10 -4 . To the best of our knowledge, this is the fastest retroreflective free-space optics demonstration in both the indoor and outdoor environments.
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ISSN:1041-1135
1941-0174
1941-0174
DOI:10.1109/LPT.2017.2680842