Demonstration of 30Gbit/s QPSK-to-PAM4 Data-Format and Wavelength Conversion to Enable All-Optical Gateway from Long-haul to Datacenter

Ahmad Fallahpour,Amirhossein Mohajerin-Ariaei,Ahmed Almaiman,Yinwen Cao,Fatemeh Alishahi,Changjing Bao,Peicheng Liao,Morteza Ziyadi,Bishara Shamee,D.S. Starodubov,Moshe Tur,Carsten Langrock,M. M. Fejer,Joseph D. Touch,Alan E. Willner

Demonstration of 30Gbit/s QPSK-to-PAM4 Data-Format and Wavelength Conversion to Enable All-Optical Gateway from Long-haul to Datacenter

2018

Ahmad Fallahpour
Amirhossein Mohajerin-Ariaei
Ahmed Almaiman
Yinwen Cao
Fatemeh Alishahi
Changjing Bao
Peicheng Liao
Morteza Ziyadi
Bishara Shamee
D.S. Starodubov
Moshe Tur
Carsten Langrock
M. M. Fejer
Joseph D. Touch
Alan E. Willner

A tunable optical QPSK to PAM4 converter is experimentally demonstrated. The proposed method maps four symbols of QPSK signal to four different amplitude levels which can be directly detected in photo-diode. Open eyes are obtained for the detected PAM4 signal.

Keywords:

Default gateway
Amplitude
Phase-shift keying
Wavelength
Engineering
Modulation
Electronic engineering
differential quadrature phase shift keying
data format
wavelength conversion
all optical

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