D. Okamoto, Y. Suzuki, J. Fujikata, M. Tokushima, J. Ushida, T. Horikawa, K. Takemura, T. Nakamura, Y. Hagihara, K. Yashiki, M. Kurihara, K. Kinoshita, K. Kurata
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High-Temperature Operation of Chip-Scale Silicon-Photonic Transceiver
A chip-scale optical transceiver was developed based on silicon photonics technology and optical/electrical assembly for 25-Gbs× four -channel applications. Optical transmitters and receivers were integrated on a single silicon platform enabled by the hybrid integration of a quantum-dot laser diode, optical pins, and a 28-nm CMOS based electrical IC. Temperature compensation functions were implemented in a modulator driver and a transimpedance amplifier for high-temperature operations. The functions allowed us to successfully demonstrate error-free 25 Gb $/\mathrm{s}\times \mathrm{four}$ -channel data transmission at 85°C.