Quantum enhancement of a coherent ladar receiver using phase-sensitive amplification

Peter A. Wasilousky, Kevin H. Smith, Ryan Glasser, Geoffrey L. Burdge, Lee Burberry, Bill Deibner, Michael Silver, Robert C. Peach, Christopher Visone, Prem Kumar, Oo Kaw Lim, Gideon Alon, Chao Hsiang Chen, Amar R. Bhagwat, Paritosh Manurkar, Michael Vasilyev, Muthiah Annamalai, Nikolai Stelmakh, Zachary Dutton, Saikat GuhaCesar Santivañez, Jian Chen, Marcus Silva, Will Kelly, Jeffrey H. Shapiro, Ranjith Nair, Brent J. Yen, Franco N.C. Wong

Producción científica: Capítulo del libro/informe/acta de congresoContribución a la conferenciarevisión exhaustiva

18 Citas (Scopus)

Resumen

We demonstrate a balanced-homodyne LADAR receiver employing a phase-sensitive amplifier (PSA) to raise the effective photon detection efficiency (PDE) to nearly 100%. Since typical LADAR receivers suffer from losses in the receive optical train that routinely limit overall PDE to less than 50% thus degrading SNR, PSA can provide significant improvement through amplification with noise figure near 0 dB. Receiver inefficiencies arise from sub-unity quantum efficiency, array fill factors, signal-local oscillator mixing efficiency (in coherent receivers), etc. The quantum-enhanced LADAR receiver described herein is employed in target discrimination scenarios as well as in imaging applications. We present results showing the improvement in detection performance achieved with a PSA, and discuss the performance advantage when compared to the use of a phase-insensitive amplifier, which cannot amplify noiselessly.

Idioma originalInglés
Título de la publicación alojadaQuantum Communications and Quantum Imaging IX
DOI
EstadoPublicada - 2011
Publicado de forma externa
EventoQuantum Communications and Quantum Imaging IX - San Diego, CA, Estados Unidos
Duración: 24 ago. 201125 ago. 2011

Serie de la publicación

NombreProceedings of SPIE - The International Society for Optical Engineering
Volumen8163
ISSN (versión impresa)0277-786X

Conferencia

ConferenciaQuantum Communications and Quantum Imaging IX
País/TerritorioEstados Unidos
CiudadSan Diego, CA
Período24/08/1125/08/11

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