Journal
OPTICS EXPRESS
Volume 20, Issue 24, Pages 26292-26298Publisher
OPTICAL SOC AMER
DOI: 10.1364/OE.20.026292
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Funding
- DARPA's TROPHY program, under AFRL [FA8650-10-C-7003]
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We report our experimental results for linear analog optical links that use phase or frequency modulation and optical discrimination. The discriminators are based on two architectures: a cascaded MZI FIR lattice filter and a ring assisted MZI (RAMZI) IIR filter. For both types of discriminators, we demonstrate > 6 dB improvement in the link's third-order output intercept point (OIP3) over a MZM link. We show that the links have low second-order distortion when using balanced detection. Using high optical power, we demonstrate an OIP3 of 39.2 dBm. We also demonstrate 4.3dB improvement in signal compression. (C) 2012 Optical Society of America
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