In-line phase-sensitive amplifier for QPSK signal using multiple QPM LiNbO3 waveguide

The carrier phase of a QPSK signal is recovered using multistage frequency mixing in a multiple quasi-phase-matched LiNbO3. QPSK signal regeneration is demonstrated in a PPLN-based PSA for the first time.

[1]  H. Suzuki,et al.  Multiple quasi-phase-matched device using continuous phase modulation of /spl chi//sup (2)/ grating and its application to variable wavelength conversion , 2005, IEEE Journal of Quantum Electronics.

[2]  Takeshi Umeki,et al.  Highly Efficient Wavelength Converter Using Direct-Bonded PPZnLN Ridge Waveguide , 2010, IEEE Journal of Quantum Electronics.

[3]  Zhi Tong,et al.  Phase-to-phase and phase-to-amplitude transfer characteristics of a nondegenerate-idler phase-sensitive amplifier. , 2011, Optics letters.

[4]  P. Andrekson,et al.  Ultralow Noise, Broadband Phase-Sensitive Optical Amplifiers, and Their Applications , 2012, IEEE Journal of Selected Topics in Quantum Electronics.

[5]  Bill Corcoran,et al.  Phase and amplitude characteristics of a phase-sensitive amplifier operating in gain saturation. , 2012, Optics express.

[6]  Takeshi Umeki,et al.  First demonstration of multi-span transmission using phase and amplitude regeneration in PPLN-based PSA , 2013, 2013 Optical Fiber Communication Conference and Exposition and the National Fiber Optic Engineers Conference (OFC/NFOEC).

[7]  M. Asobe,et al.  PPLN based phase sensitive amplifiers and their applications , 2014, 2013 Optical Fiber Communication Conference and Exposition and the National Fiber Optic Engineers Conference (OFC/NFOEC).