Request InfoEXFO Inc.QUEBEC CITY, March 24, 2011 — Exfo Inc. has added several tools to its PSO-200 optical modulation analyzer software, providing flexibility to manufacturers looking to adapt their testing protocols to future compliance procedures and allowing performance of phase-modulated transmitters such as dual-polarization quadrature phase-shift keying (DP-QPSK) to be established independently of the receiver. Added are detailed error vector magnitude (EVM) and bit error rate (BER) analysis, mask tests and support of homodyne characterization. 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