Optical communications has become an increasingly important investment area for technology companies in recent years. Huawei, Alibaba, Tencent, Xiaomi, Baidu and ZTE, among others, have expanded their presence in related fields through investments, including optical chips and optical modules. Huawei: Expanding Upstream Optical Communications Through Investment and Acquisitions As a supplier of optical transmission and access equipment, Huawei has an established optical communications business of its own. It has also invested in upstream technologies, including opti...