Oclaro Inc., Advanced Photonics SolutionsThe 100G PAM4 EA-DFB EML chips from Oclaro Inc. are designed for next-generation transceiver applications. Oclaro's EML chips, operating at 53 Gbaud with up to 40-Ghz bandwidth and a 6-dB extinction ratio, are ideal for use in pulse amplitude modulation-based (PAM4) transceivers, enabling 100 Gbps per wavelength. 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