5 November 1996 Photonically controlled wavelength division multiplexing (WDM) active array
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Abstract
Emerging missions for shipboard defense and tactical ballistic missile defense require the support of wideband, multi-function radars capable of concurrently performing hemispherical surveillance, tracking and simultaneous illumination of multiple targets. Active phased array antennas to support these missions are limited by their cost, bandwidth and aperture weight. As mission requirements become more demanding the integration of photonics into phased arrays, which promises increased bandwidth, decreased aperture weight and less complex transmit/receive modules, must be pursued. As part of the Office of Naval Research's Accelerated Capabilities Initiative Raytheon, supported by the University of Connecticut, is developing a novel photonic antenna architecture for the control of active phased arrays. The photonic architecture is optically non- coherent and achieves a reduction in hardware complexity, and therefore array cost, via device sharing which is facilitated through wavelength division multiplexing (WDM). By properly configuring the photonic architecture, WDM represents a beneficial compromise between hardware complexity and array performance. To realize the photonic architecture the University of Connecticut is developing novel multiple quantum well photonic devices, including electronically tunable lasers and filters and a broadband amplitude modulator. This paper will discuss the antenna architecture wavelength division multiplexing and the enabling photonic devices.
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Mark Russell, Mark Russell, Anthony Marinilli, Anthony Marinilli, Leon Green, Leon Green, Joseph Preiss, Joseph Preiss, Faquir C. Jain, Faquir C. Jain, } "Photonically controlled wavelength division multiplexing (WDM) active array", Proc. SPIE 2845, Radar Processing, Technology, and Applications, (5 November 1996); doi: 10.1117/12.257230; https://doi.org/10.1117/12.257230
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