1. Nokia Bell Labs, Massy, France
2. III-V Lab, a joint lab of ‘Nokia Bell Labs France’, ‘Thales Research and Technology‘ and ‘CEA Leti’, Campus de Polytechnique 1, avenue Augustin Fresnel, Palaiseau Cedex, France
3. Keysight Technologies GmbH, Böblingen, Germany
4. State Key Laboratory of Optoelectronic Materials and Technologies and School of Electronics and Information Technology, Sun Yat-sen University, Guangzhou, China
5. Red May Industrial Park, Liobate Technologies Limited, Nanjing, Jiangsu, China