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IEICE TRANSACTIONS on Electronics

Characterization of Silicon Mach-Zehnder Modulator in 20-Gbps NRZ-BPSK Transmission

Kazuhiro GOI, Kenji ODA, Hiroyuki KUSAKA, Akira OKA, Yoshihiro TERADA, Kensuke OGAWA, Tsung-Yang LIOW, Xiaoguang TU, Guo-Qiang LO, Dim-Lee KWONG

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Summary :

20-Gbps non return-to-zero (NRZ) – binary phase shift keying (BPSK) using the silicon Mach-Zehnder modulator is demonstrated and characterized. Measurement of a constellation diagram confirms successful modulation of 20-Gbps BPSK with the silicon modulator. Transmission performance is characterized in the measurement of bit-error-rate in accumulated dispersion range from -347 ps/nm to +334 ps/nm using SMF and a dispersion compensating fiber module. Optical signal-to-noise ratio required for bit-error-rate of 10-3 is 10.1 dB at back-to-back condition. It is 1.2-dB difference from simulated value. Obtained dispersion tolerance less than 2-dB power penalty for bit-error-rate of 10-3 is -220 ps/nm to +230 ps/nm. The symmetric dispersion tolerance indicates chirp-free modulation. Frequency chirp inherent in the modulation mechanism of the silicon MZM is also discussed with the simulation. The effect caused by the frequency chirp is limited to 3% shift in the chromatic dispersion range of 2 dB power penalty for BER 10-3. The effect inherent in the silicon modulation mechanism is confirmed to be very limited and not to cause any significant degradation in the transmission performance.

Publication
IEICE TRANSACTIONS on Electronics Vol.E96-C No.7 pp.974-980
Publication Date
2013/07/01
Publicized
Online ISSN
1745-1353
DOI
10.1587/transele.E96.C.974
Type of Manuscript
Special Section PAPER (Special Section on Recent Advances in Integrated Photonic Devices)
Category

Authors

Kazuhiro GOI
  Fujikura Ltd.
Kenji ODA
  Fujikura Ltd.
Hiroyuki KUSAKA
  Fujikura Ltd.
Akira OKA
  Fujikura Ltd.
Yoshihiro TERADA
  Fujikura Ltd.
Kensuke OGAWA
  Fujikura Ltd.
Tsung-Yang LIOW
  ASTAR
Xiaoguang TU
  ASTAR
Guo-Qiang LO
  ASTAR
Dim-Lee KWONG
  ASTAR

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