Cloud Light Technology Limited (“Cloud Light”)-A Lumentum Company-designs, markets, and manufactures advanced optical modules for datacenter interconnect and optical sensors for automotive applications.

Headquartered in Hong Kong, Cloud Light was founded in 2018 as a spin-off from TDK Corporation. It has facilities strategically located in the region, including research and development centers in Hong Kong and Taiwan, and state-of-the-art manufacturing facilities in Southern China, and in South East Asia.

Cloud Light has a solid technical foundation with 100+ filed patents and is supported by a strong multicultural research and development team with 18+ years of optical product design and manufacturing experience.

Our development team is composed of >30% PhD and >50% master’s degree holders in optoelectronics, material science, photonics integration and manufacturing technologies. Our technology experts push the technology envelope while maintaining perspective with manufacturing and quality demands.

Cloud Light is a young start-up with over 18 years of experience in the field. We are committed to delivering innovative, high-quality photonic solutions in a rapidly evolving global market.


years of product design and manufacturing experience


filed patents


percent R&D staff with PhD or master’s degrees


million packaged optoelectronic devices shipped to date with single-digit FIT


Gb/s optical transmission products in mass production


years of combined core team experience in optoelectronic industry

Executive Team

Dr. Dennis TONG

Founder and General Manager

  • Ph.D in Electrical Engineering, UCLA
  • Former faculty of Hong Kong University of Science and Technology
  • 20 years of experience in optotelectronics including R&D, product development, and technical marketing at Bell Labs, Tellium and SAE Magnetics

Dr. Thomas LIU

Chief Operating Officer

  • Ph.D. in Electrical Engineering, University of Maryland, College Park
  • 20+ years of experience in optical industry including R&D, Engineering and Operation
  • VP Global Operation at O-NET, CEO at Hisense Broadband, PCL, and Senior Manager at SAE Magnetics

Mr. Eddie CHAN

Chief Financial Officer

  • Certified Public Accountant of The Hong Kong Institute of Certified Public Accountants
  • BBA in Accounting and Finance from the University of Hong Kong
  • 20 years of experience in financial management, corporate finance, IPO, merger and acquisitions, and auditing
  • Chief financial officer and financial advisor at various HK listed companies, including Vice President, Finance of CITIC Resources, and was Manager at Deloitte.

Dr. Vincent HUNG

Co-Founder and VP of Technology

  • Ph.D in Information Engineering, Chinese University of Hong Kong
  • 15 years of experience in optoelectronics R&D and product development at ASTRI, Firecomms, and SAE Magnetics for optical data transmission and sensing applications.
  • Inventor with more than 50 granted patents and applications

Mr. Peter TANG

Co-Founder and VP of Production Plan and Material Control

  • Industry veteran with +30 years of operation and supply chain management experience in SAE Magnetics, Hisense Broadband and other optoelectronics companies

Mr. Danny LIN

Co-Founder and VP of Manufacturing Engineering & Testing Engineering

  • Bachelor in Electronic Engineering in Taiwan
  • 15 years of experience in manufacturing engineering and process and equipment development in many optoelectronics packaging
  • Key roles at Gigacomm and SAE Magnetics

Mr. Matt DAVIS

VP of Sales & Marketing

  • B.S. in EE, Oregon State University
  • 20 years of experience in optoelectronics product design, applications, and technical sales
  • Key roles at Qorvo, TE Connectivity, and Hisense

Mr. Infinity HUANG

VP of Product Management

  • Master in Electronic Engineering, National Taiwan University
  • 21 years of experiences in fiber optics communications industry,  including product design from photodiode chip to transceiver, NPI, and product line management in Hisense, SAE Magnetics and Gigacomm

Mr. Victor KAO

VP of Manufacturing & Industrial Engineering

  • B.Sc. in Physics, Soochow University
  • 20 years of experience in optoelectronics industry including engineering , operations and automations
  • Senior Director at O-NET, Deputy GM at Hisense Broadband, and Senior Manager at SAE Magnetics

Mr. Tommy CHAN

VP of Project Engineering & New Product Introduction

  • B.Sc. in Applied Physics, Hong Kong Baptist University
  • Over 20 years of experience in optoelectronics industry including engineering and operations
  • VP of Operations at NeoPhotonics Co. Ltd, Senior Manager at SAE Magnetics and ASTRI