Lead Silicon Photonics Design Engineer

The Silicon Photonics Designer will work on the design, test, and debug of silicon photonic circuits. He/she will have key responsibilities for silicon photonics activities in a global leader of optoelectronic components and systems. He/she will work closely with compound semiconductors, optical packaging, and module engineering groups to deliver high-performance silicon photonic chips for various customers. He/she will develop innovative and complex photonic circuits for emerging applications in communications and sensing, e.g., coherent transceiver, co-packaged optics and LIDAR.

• Work on silicon photonics device design, simulation, and layout.
• Run a variety of optical simulation tools, including Lumerical and Rsoft.
• Run a variety of RF simulation tools, including HFSS, ADS, and CST.
• Run a variety of CAD tools, including Cadence, Synopsis, and Python design environments.
• Tape out silicon photonics designs in external and internal fabs.
• Work with module developers to design the optical subassemblies.
• Work with foundries to define and optimize the device structures and processes.
• Work with test engineering teams to perform characterization of silicon photonics devices.
• Work with quality engineers to create test and qualification plans.

• PhD degree in Electrical and Computer Engineering, Optics and Optical Engineering, Physics, or related field.
• 2 years of industrial experience in design and optimization of silicon/III‑V photonic devices and photonic integrated circuits.

• Strong experience on RF/SI simulation and optimization, from components such as high-speed modulators/PDs, and subsystems including PCB/TIA/driver/optical components, to transceiver systems.
• Strong experience in photonic integrated circuits design CAD tools.
• Strong tape‑out experience with photonics foundries.
• 5 years of experience in testing and characterization of optoelectronic devices and modules.
• Excellent experience of design/optimization of high‑speed opto‑electronic devices (modulators, photodetectors, lasers).
• Good knowledge of high‑speed analog circuitry (TIA, modulator drivers).
• In‑depth understanding of optical transceiver modules.
• Good knowledge of fiber optic and/or wireless communication systems and applications.
• Good knowledge of module packaging in optical communications.
• Good knowledge of digital electronics circuitry (microprocessors, FPGAs, SPI).
• Good knowledge of digital signal processing.
• Excellent verbal and written communication skills.
• Excellent teamwork skills and strong independence.
• Self‑motivated with innovative thinking.

• Authorized to work in US.

Coherent Corp. is an equal opportunity/affirmative action employer. All qualified applicants will receive consideration for employment without regard to sex, gender identity, sexual orientation, race, color, religion, national origin, disability, protected Veteran status, age, or any other characteristic protected by law. If you need assistance or an accommodation due to a disability, you may contact us at t