Quantum-enhanced ladar ranging with squeezed-vacuum injection, phase-sensitive amplification, and slow photodetectors
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Shapiro_Quantum-enhanced ladar.pdf
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Author(s)
Nair, Ranjith
Yen, Brent J.
Shapiro, Jeffrey H.
Chen, Jian
Dutton, Zachary
Guha, Saikat
da Silva, Marcus P.
Date Issued
September 2011
Journal
Proceedings of SPIE--the International Society for Optical Engineering; v.8163
Publisher
SPIE
Citation
Ranjith Nair ; Brent J. Yen ; Jeffrey H. Shapiro ; Jian Chen ; Zachary Dutton ; Saikat Guha ; Marcus P. da Silva; Quantum-enhanced ladar ranging with squeezed-vacuum injection, phase-sensitive amplification, and slow photodetectors. Proc. SPIE 8163, Quantum Communications and Quantum Imaging IX, 816310 (September 06, 2011); doi:10.1117/12.903360. © (2011) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE).
Version
Final published version
Abstract
Theory has shown [1] that the quantum enhancements afforded by squeezed-vacuum injection (SVI) and phasesensitive amplification (PSA) can improve the spatial resolution of a soft-aperture, homodyne-detection laserradar (ladar) system. Here we show they can improve the range resolution of such a ladar system. In particular, because an experimental PSA-enhanced system is being built whose slow photodetectors imply multi-pulse integration, we develop range-measurement theory that encompasses its processing architecture. We allow the target to have an arbitrary mixture of specular and speckle components, and present computer simulation results demonstrating the range-resolution improvement that accrues from quantum enhancement with PSA.
Description
Quantum Communications and Quantum Imaging IX
San Diego, California | August 21, 2011
MIT Department
Massachusetts Institute of Technology. Department of Electrical Engineering and Computer Science
Massachusetts Institute of Technology. Research Laboratory of Electronics
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Article is made available in accordance with the publisher's policy and may be subject to US copyright law. Please refer to the publisher's site for terms of use.
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DOI of Published Version
https://doi.org/10.1117/12.903360
