Alpine Optoelectronics, a subsidiary company of Eoptolink Technology, is seeking candidates with expertise in III-V photonic chip development. The candidate will be responsible for developing advanced photonic chips to support next-generation communications in data center networks and AI clusters. The responsibility will include III-V EPI and device designs, modeling, simulation, taping out to external foundries, and test data analysis. The candidate is expected to innovate in the high-speed design domain and bring it from design to production.

This position could be a junior, senior, or principal role depending on the candidate’s qualification.

The scope of the work may involve some of the following activities:

• Design III-V EPIs, including multiple quantum-well (MQW) layers and waveguiding layers, for various III-V devices.

• Design III-V devices, including high-speed modulators, high-speed photodetectors, and DFB lasers.

• Design various photonic integrated circuits (PICs) incorporating III-V devices for high-speed optical communications.

• Perform various simulations, such as optical mode simulation, high-speed RF simulation, quantum well absorption and index modulation simulation, and laser cavity simulation.

• Work with external foundries for III-V chip manufacturing.

• Plan for electrical, high-speed RF, and optical testing, and analyze test data.

• Interact with packaging and module teams for chip performance evaluations in the modules.

Qualifications and Skills:

• Master or higher degree in Electrical Engineering, Semiconductor Physics, Optical Communications, or other related fields.

• Some direct experience in the development of PIC and devices is highly preferred.

• Direct experience in III-V material, quantum well designs, device designs, device fabrication, and device testing, is highly preferred.

• Skilled in optical simulation, high-speed RF modeling, laser cavity modeling and characterization. Familiar with the related software.

• Some knowledge of Si photonic devices and circuits, pluggable and co-packaged optical transceivers, is desirable.

• Some experience in III-V device failure and material defects analysis is desirable.

• Excellent analytical and problem-solving abilities.

• Strong communication skills and a proven ability to work both independently and as part of a team.

Work Location: Fremont, California

Please submit your resume to: info@alpineoptoelectronics.com

Alpine Optoelectronics, a vertically integrated optical transceiver company, is seeking candidates with expertise in optical and electrical testing of silicon photonic devices. The candidate will join a dynamic team in a startup environment and will participate in the development and characterization of photonic integrated circuits (PICs) for data center and 5G optical network applications.

The candidate’s scope of responsibilities could involve one or more of the following activities:

• Perform optical, electrical, and mechanical testing of photonic components (e.g., lasers, modulators, waveguides)

• Operate test equipment such as optical power meters, spectrum analyzers, oscilloscopes, and interferometers

• Document test results and maintain accurate records in compliance with quality standards

• Assist in root cause analysis and troubleshooting of failed units

• Support R&D and production teams with prototype and pre-production testing

• Maintain cleanroom protocols and handle sensitive optical components with care

• Calibrate and maintain testing equipment regularly

Qualifications and Skills

• Associate degree or technical certification in photonics, optics, electronics, or related field (Bachelor’s preferred)

• 1–3 years of experience in photonics or semiconductor testing

• Familiarity with fiber optics, laser safety, and cleanroom procedures

• Strong attention to detail and ability to follow test protocols

• Basic programming or scripting skills (e.g., Python, LabVIEW) is a plus

Work Location: Fremont, California

Please submit your resume to: info@alpineoptoelectronics.com

Eoptolink Technology Inc. (SZSE: 300502), a global leader in optical transceiver solutions for data center and telecom networks, is a leading global provider of optical transceiver solutions for data center and telecom networks. With strong R&D and manufacturing capabilities, we serve the world’s top cloud service providers, equipment vendors, and telecom operators.

We are seeking an Optical Transceivers Customer Support Engineer to join our US team in Fremont, CA. The candidate will be responsible for supporting North American customers with optical transceiver products, ensuring smooth project execution, and collaborating with global R&D teams.

The scope of the work may involve some of the following activities:

• Act as the first point of contact for customers in the US regarding optical transceiver products (100G/400G/800G/1.6T/3.2T and above).

• Provide technical support: answer customer questions, analyze issues, and coordinate with R&D teams in China for resolution.

• Understand customer requirements and work with internal teams to deliver solutions.

• Support product evaluations, demos, and interoperability testing with switches, routers, and servers.

• Prepare and maintain technical documentation, FAQs, and application notes.

• Collect customer feedback and contribute to product improvement.

• Occasionally support customer visits, on-site troubleshooting, and trade shows.

Qualifications and Skills:

• Bachelor’s degree in Electrical Engineering, Computer Engineering, Optics, or related field.

• Knowledge of optical communication, transceivers, or high-speed networking.

• Hands-on experience with Ethernet, I²C/MDIO, PRBS/BERT testing, or optical measurement equipment is a plus.

• Strong problem-solving, communication, and customer service skills.

• Ability to work independently in a cross-border, multicultural environment.

Work Location: Fremont, California

Please submit your resume to info@alpineoptoelectronics.com