Title :
Adjustment-free DxPSK receiver based on single delay interferometer using 120-degree optical hybrid
Author :
Takushima, Y. ; Choi, H.Y. ; Chung, Y.C.
Author_Institution :
Dept. of Electr. Eng., KAIST, Daejeon
Abstract :
We report an adjustment-free DxPSK receiver based on a single delay-interferometer using a 3times3 optical coupler. We experimentally demonstrate wavelength- and polarization-independent detection of DQPSK and D8PSK signals with near quantum-limited sensitivities.
Keywords :
delays; differential phase shift keying; light interferometers; optical couplers; optical modulation; optical receivers; phase modulation; quadrature phase shift keying; D8PSK; DQPSK; DxPSK receiver; optical coupler; single delay interferometer; Bit error rate; Delay; Fiber nonlinear optics; Nonlinear optics; Optical coupling; Optical fiber polarization; Optical interferometry; Optical receivers; Optical sensors; Optical signal processing; (060.2330) Fiber optics communications; (060.5060) Phase modulation;
Conference_Titel :
Optical Fiber Communication - incudes post deadline papers, 2009. OFC 2009. Conference on
Conference_Location :
San Diego, CA
Print_ISBN :
978-1-4244-2606-5
Electronic_ISBN :
978-1-55752-865-0
