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lumilens

Senior Silicon Photonics Engineer

lumilens
Singapore
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Job Description

Role Overview

You will design high-speed silicon photonic integrated circuits operating at the limits of bandwidth and integration, and take them from concept → tapeout → silicon validation.

This role is suitable for strong PhD graduates through early-career engineers (0–5 years experience) who want to work on real, production-bound systems, not just simulations.

Roles & Responsibilities

  • Design and optimize silicon photonic devices and circuits, including:
    • High-speed modulators (MZI, ring, advanced structures)
    • Photodetectors and receiver building blocks
    • Passive components (couplers, filters, routing)
  • Perform multi-domain simulations (EM, circuit, thermal) to meet targets in:
    • Bandwidth (200G/lane+)
    • Insertion loss, extinction ratio, efficiency
  • Implement PIC layouts (GDS) using foundry PDKs and support tapeouts
  • Co-design with electronics and packaging teams for CPO/NPO systems:
    • RF effects, parasitics, signal integrity, and thermal constraints
  • Support silicon bring-up and characterization:
    • Correlate measurement vs simulation
    • Drive design iterations and improvements
  • Contribute to design libraries, modeling, and methodology development

Requirements

  • Education
    • PhD in Electrical Engineering, Physics, or related field (silicon photonics or closely related area)
  • Experience
    • 0–5 years of relevant experience (including fresh PhD graduates)
  • Technical Skills
    • Experience in design and simulation of silicon photonic devices or PICs
    • Strong understanding of guided-wave optics and device physics
    • Familiarity with tools such as Lumerical, COMSOL, or equivalent
  • Implementation Skills
    • Exposure to PIC layout and tapeout flows (PDK, DRC/LVS)
  • System Awareness
    • Basic understanding of optical communication systems and/or RF effects
Nice to Have

  • Experience with high-speed devices (>100 GHz bandwidth or equivalent)
  • Exposure to CPO/NPO or optical transceiver architectures
  • Familiarity with SiPh + III-V integration
  • Experience with inverse design / adjoint methods (e.g., Meep)

Why Join Us

  • Work on real products at 200G/lane+, not just research prototypes
  • Direct impact on AI infrastructure and hyperscale systems
  • Fast iteration cycles from design → silicon → system
  • High ownership early in your career
  • Comprehensive benefits package including health insurance
  • Collaborative environment with world-class engineering and R&D teams

More Info

Job Type:
Permanent Job
Industry:
Other
Function:
Silicon Photonics
Employment Type:
Full time

About Company

lumilens

Job ID: 151465365

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Last Updated: 22-07-2026 07:13:17 PM
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