Title :
Efficient quadrature squeezing of QPSK signals by sideband-assisted dual-pump phase sensitive amplifier
Author :
Mingyi Gao ; Kurosu, Takayuki ; Inoue, Takeru ; Namiki, Shu
Author_Institution :
Network Photonics Res. Center, Nat. Inst. of Adv. Ind. Sci. & Technol. (AIST), Tsukuba, Japan
Abstract :
Sideband-enhanced parametric de-amplification enables efficient and various squeezing of QPSK signals. Phase sensitivity of approximately 25 dB is achieved at a nonlinear phase shift of only 0.8 rad for the wavelengths from 1545nm to 1565nm.
Keywords :
optical fibre communication; optical information processing; optical modulation; optical parametric amplifiers; optical pumping; optical squeezing; quadrature phase shift keying; QPSK signals; nonlinear phase shift; phase sensitivity; quadrature squeezing; sideband-assisted dual-pump phase sensitive amplifier; sideband-enhanced parametric deamplification; wavelength 1545 nm to 1565 nm; Amplitude modulation; Fiber nonlinear optics; Optical fiber amplifiers; Phase shift keying;
Conference_Titel :
Optical Fiber Communication Conference and Exposition and the National Fiber Optic Engineers Conference (OFC/NFOEC), 2013
Conference_Location :
Anaheim, CA
Print_ISBN :
978-1-4799-0457-0
