Title :
High sensitivity optically preamplified direct detection DPSK receiver with active delay-line stabilization
Author :
Swanson, Eric A. ; Livas, Jeffrey C. ; Bondurant, Roy S.
Author_Institution :
Lincoln Lab., MIT, Lexington, MA, USA
Abstract :
The authors present experimental results for a 3 Gb/s optically preamplified, optically demodulated, differential phase shift keyed communication link achieving 62 photons/bit receiver sensitivity and using an actively stabilized optical delay line demodulator.<>
Keywords :
delay lines; demodulators; optical modulation; optical receivers; phase shift keying; preamplifiers; signal detection; 3 Gbit/s; active delay-line stabilization; differential phase shift keying; direct detection DPSK receiver; optical delay line demodulator; optically demodulated link; optically preamplified receiver; receiver sensitivity; Delay; Differential quadrature phase shift keying; Optical attenuators; Optical detectors; Optical filters; Optical interferometry; Optical mixing; Optical pumping; Optical receivers; Optical sensors;
Journal_Title :
Photonics Technology Letters, IEEE
