Quantum Photonics Optical Engineer

HongKong Smart Light Quantum Technologies Co., Limited; Hong Kong; On-site; HKD 900,000 - 1,200,000; Full time

Job summary

Leadingnation in Hong Kong is seeking a highly skilled laser R&D fellow to advance photonic quantum chip technologies. The role focuses on stabilizing laser sources and optimizing nonlinear processes for high-fidelity entangled light generation.

You will work with a multidisciplinary team to solve coupling, alignment and thermal challenges, and to build test benches that rigorously characterize lasers and frequency conversion systems.

Qualifications

• Master's or higher in Optics/Photonics; PhD preferred.
• 3+ years in laser R&D or nonlinear optics with independent optical-system build experience.
• Deep knowledge of laser physics, stabilization (PDH), mode-locking, and nonlinear optics.
• Ability to solve complex experimental problems; teamwork and English reading.
• Plus: quantum light sources, frequency combs, fiber amplifiers, chip packaging.

Responsibilities

• Select, drive and frequency-stabilize laser sources to supply pump and signal light for photonic quantum chips.
• Lead design & optimization of nonlinear processes to improve entangled-source / squeezed-state generation and frequency-conversion efficiency.
• Define laser-chip coupling schemes with the chip team; solve alignment, mode-matching and thermal issues.
• Build precision optical test benches; characterize lasers and nonlinear processes; resolve system noise and parasitic effects.

Skills

Laser R&D

Nonlinear optics

Mode-locking

Fiber coupling

Multi-physics troubleshooting

Education

Master's or above (PhD preferred)

Job description

Leadingnation in Hong Kong is seeking a highly skilled laser R&D fellow to advance photonic quantum chip technologies. The role focuses on stabilizing laser sources and optimizing nonlinear processes for high-fidelity entangled light generation.

You will work with a multidisciplinary team to solve coupling, alignment and thermal challenges, and to build test benches that rigorously characterize lasers and frequency conversion systems.