Linq Photonics builds photonic integrated control systems that enable quantum computers to scale beyond current limits. Their modulators provide up to 60 dB extinction ratios, support 100+ independent operations, and can be customized for wavelengths from 400 nm to 1700 nm, allowing quantum engineers to control, connect, and multiplex qubits across various platforms.
Funding
Funding not disclosed
Founders
Product
Problem
Quantum computers can now contain thousands of qubits, but existing control hardware—primarily free‑space optics—lacks the stability, density, and manufacturability needed to address all qubits reliably. This control bottleneck limits the ability to scale quantum systems across different qubit modalities such as superconducting circuits, trapped ions, neutral atoms, and photonic qubits.
Solution
Linq Photonics delivers photonic integrated control systems that replace bulky free‑space optics with compact, chip‑scale modulators. Their devices provide up to 60 dB extinction and support more than 100 independent operations, enabling precise phase and amplitude modulation for large qubit arrays. By offering custom wavelength coverage from 400 nm to 1700 nm, the platform can be tailored to the optical requirements of diverse quantum technologies. Integrated splitting, filtering, and multiplexing functions further reduce system complexity and improve signal stability. Rapid prototyping across multiple photonic platforms allows quantum engineers to iterate designs quickly and integrate control hardware directly into scalable quantum processors.
Target Audience
Primary customers are quantum engineering teams developing superconducting, trapped‑ion, neutral‑atom, or photonic quantum processors that require high‑performance, scalable optical control infrastructure.
Features
- Integrated photonic modulators with extinction ratios up to 60 dB for high‑contrast optical gating
- Capability to perform 100+ independent operations per chip, supporting large‑scale qubit control
- Phase and amplitude modulation combined with on‑chip splitting, filtering, and multiplexing
- Customizable wavelength operation spanning 400 nm to 1700 nm to match various qubit modalities
- Rapid chip prototyping on multiple photonic platforms for fast development cycles
- Compact, stable architecture that replaces free‑space optics, enhancing density and manufacturability