G
G. Lund
Researcher at Massachusetts Institute of Technology
Publications - 9
Citations - 100
G. Lund is an academic researcher from Massachusetts Institute of Technology. The author has contributed to research in topics: Free-space optical communication & Optical communication. The author has an hindex of 5, co-authored 9 publications receiving 93 citations.
Papers
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Proceedings ArticleDOI
Multi-rate DPSK optical transceivers for free-space applications
David O. Caplan,J. J. Carney,J. J. Fitzgerald,Igor D. Gaschits,Richard D. Kaminsky,G. Lund,Scott A. Hamilton,R. J. Magliocco,Robert J. Murphy,Hemonth G. Rao,N. W. Spellmeyer,J. P. Wang +11 more
TL;DR: A robust, near-quantum-limited multi-rate DPSK transceiver, co-located transmitter and receiver subsystems that can operate efficiently over the highly-variable free-space channel are discussed.
Proceedings ArticleDOI
A multi-rate DPSK modem for free-space laser communications
N. W. Spellmeyer,C. A. Browne,David O. Caplan,J. J. Carney,M. L. Chavez,Andrew S. Fletcher,J. J. Fitzgerald,Richard D. Kaminsky,G. Lund,Scott A. Hamilton,R. J. Magliocco,O. V. Mikulina,Robert J. Murphy,Hemonth G. Rao,Marvin S. Scheinbart,M. M. Seaver,J. P. Wang +16 more
TL;DR: The design and testing of an efficient and robust multi-rate DPSK modem is discussed, including aspects of the electrical, mechanical, thermal, and optical design.
Proceedings ArticleDOI
Experimental comparison of 3-mode and single-mode coupling over a 1.6-km free-space link
David J. Geisler,Timothy M. Yarnall,G. Lund,Curt Schieler,Michael L. Stevens,N. K. Fontaine,Bryan S. Robinson,Scott A. Hamilton +7 more
TL;DR: In this article, a 3-mode photonic lantern multiplexer (PLM) was used to couple light from free-space into single-mode fiber (SMF) in the presence of atmospheric tilt.
Proceedings ArticleDOI
Performance and qualification of a multi-rate DPSK modem
Jade P. Wang,C. A. Browne,C. D. Burton,David O. Caplan,J. J. Carney,M. L. Chavez,J. J. Fitzgerald,Igor D. Gaschits,David J. Geisler,Scott A. Hamilton,S.R. Henion,G. Lund,R. J. Magliocco,O. V. Mikulina,Robert J. Murphy,Hemonth G. Rao,M. M. Seaver,N. W. Spellmeyer +17 more
TL;DR: Test and diagnostic capabilities that can be easily reconfigured to assess modem performance across a wide range of data rates and operational modes are developed and used to demonstrate robust performance in realistic environments during thermal-vacuum, shock/vibration, and EMI/EMC testing.
Proceedings ArticleDOI
Electronics design of a multi-rate DPSK modem for free-space optical communications
Hemonth G. Rao,C. A. Browne,David O. Caplan,J. J. Carney,M. L. Chavez,Andrew S. Fletcher,J. J. Fitzgerald,Richard D. Kaminsky,G. Lund,Scott A. Hamilton,R. J. Magliocco,O. V. Mikulina,Robert J. Murphy,M. M. Seaver,Marvin S. Scheinbart,N. W. Spellmeyer,J. P. Wang +16 more
TL;DR: A radiation-hardened modem suitable for NASA’s Laser Communications Relay Demonstration is designed and experimentally demonstrated, which scrubs itself against radiation events, but does not require pervasive triple-mode redundant logic.