Title :
Power gain of homodyne detection over direct detection receivers for free space optical communication in the presence of interference
Author :
Lee, Etty J. ; Chan, Vincent W S
Author_Institution :
Massachusetts Inst. of Technol., Cambridge, MA
Abstract :
Diversity mitigates fades, but increasing diversity does not always improve direct detectionpsilas performance in the presence of interference. We find the power gain of homodyne over direct detection with optimal diversity, with and without interference.
Keywords :
diversity reception; homodyne detection; light interference; optical receivers; optical signal detection; direct detection receivers; free space optical communication; homodyne detection; light interference; optimal diversity; power gain; Background noise; Fading; Interference; Optical fiber communication; Optical receivers; Optimized production technology; Probability; Signal detection; Space technology; Statistics;
Conference_Titel :
Lasers and Electro-Optics, 2008 and 2008 Conference on Quantum Electronics and Laser Science. CLEO/QELS 2008. Conference on
Conference_Location :
San Jose, CA
Print_ISBN :
978-1-55752-859-9
