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Proceedings Paper

Wideband analog photonic links: some performance limits and considerations for multi-octave implementations
Author(s): Vincent J. Urick; John F. Diehl; Meredith N Draa; Jason D. McKinney; Keith J. Williams
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Paper Abstract

High-performance analog photonic links are discussed and the prevalent modulation formats are highlighted. Because of its multi-octave and millimeter-wave potential, special attention is given to intensity modulation with direct detection (IMDD) employing an external Mach-Zehnder modulator (MZM). The theory for IMDD is reviewed and some experimental results are discussed. Two limiting factors in multi-octave IMDD implementations are quantified. The MZM bias requirements in order to remain third-order limited are shown to be very stringent in high-performance links. Photodiode nonlinearities, perhaps the most inhibiting factor in present-day wideband analog photonics, are cast in terms of output intercept points and tied to the IMDD link performance.

Paper Details

Date Published: 28 February 2012
PDF: 14 pages
Proc. SPIE 8259, RF and Millimeter-Wave Photonics II, 825904 (28 February 2012); doi: 10.1117/12.912528
Show Author Affiliations
Vincent J. Urick, U.S. Naval Research Lab. (United States)
John F. Diehl, U.S. Naval Research Lab. (United States)
Meredith N Draa, U.S. Naval Research Lab. (United States)
Jason D. McKinney, U.S. Naval Research Lab. (United States)
Keith J. Williams, U.S. Naval Research Lab. (United States)

Published in SPIE Proceedings Vol. 8259:
RF and Millimeter-Wave Photonics II
Robert L. Nelson; Dennis W. Prather; Chris Schuetz; Garrett J. Schneider, Editor(s)

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