Lossless Operation of an 8 × 8 SiPh/InP Hybrid Optical Switch

Autor: Valery Tolstikhin, Kin-Wai Leong, Odile Liboiron-Ladouceur, Rubana Bahar Priti, Hassan Rahbardar Mojaver, Ajaypal Singh Dhillon
Rok vydání: 2020
Předmět:
Zdroj: IEEE Photonics Technology Letters. 32:667-670
ISSN: 1941-0174
1041-1135
DOI: 10.1109/lpt.2020.2991360
Popis: We design a lossless $8 \times 8$ Silicon Photonics (SiPh)/Indium Phosphide (InP) hybrid optical switch. The design consists of an 8-channel InP gain block for coupling to an $8 \times 8$ thermally tuned Mach-Zehnder interferometer-based Banyan switch in a passive SiPh platform. The gain block is an array of eight $1300~\mu \text{m}$ -long semiconductor optical amplifiers (SOAs). We experimentally verified the InP gain block while the SiPh chip is accounted by replacing it with a loss component. The SOA in line with the optical signal path provides a net gain larger than 25 dB to compensate for the inherently large insertion loss of the $8 \times 8$ SiPh optical switch. The total energy consumption of the hybrid optical switch in lossless operation mode is 10.44 pJ/bit at 12.5 Gb/s.
Databáze: OpenAIRE