Quantum Computing Archives

Overcoming Optical Bottlenecks in Quantum Computing

Five OnlineFebruary 19, 2026Technical ArticleComments are off for this post

Precision Performance: Achieves diffraction-limited imaging using High-NA Cryogenic Quantum Optics to maximize photon collection efficiency.

Environmental Stability: FEA-optimized housings ensure sub-nanometer wavefront stability from room temperature down to 4K.

Broadband Correction: Tailored multi-wavelength optimization (UV-NIR) supports simultaneous cooling, trapping, and state readout.

Scalable Integration: Engineered for seamless implementation in trapped-ion, neutral atom, and solid-state quantum platforms.

Lessons Learned in Scaling Silicon Photonics

Five OnlineNovember 18, 2025Technical ArticleComments are off for this post

Key Takeaways Silicon photonics has evolved from telecom roots to powering data centers, AI hardware, and emerging quantum systems. Its success comes from combining high bandwidth, energy efficiency, and CMOS scalability. Across industries, one lesson repeats: performance alone isn’t enough—scaling requires manufacturable processes, strong packaging, and tight co-design with electronics. As quantum computing pushes demands […]

Optical Requirements for Quantum Computing: Why High-NA and Long WD Matter

Five OnlineNovember 12, 2025Technical ArticleComments are off for this post

Introduction: When Quantum Computing Meets Optical Precision In 2023, Google’s Quantum AI team demonstrated a major leap in quantum computing. Their Sycamore processor completed a complex task in just 200 seconds—a calculation that would take classical supercomputers roughly 10,000 years. While most attention focused on the qubits themselves, another key technology made this precision possible: […]

What Are Optical Waveguides?

Five OnlineNovember 6, 2025Knowledge CenterComments are off for this post

Key Takeaways Optical waveguides guide light using refractive index contrast, essential for quantum photonic circuits. Strip, rib, and slot geometries offer trade-offs in confinement and loss. Key design priorities include minimizing propagation and coupling losses, maintaining phase stability, and enabling dense, scalable integration. Materials like silicon, SiN, LiNbO₃, and AlN support varied quantum functions. Applications […]

Silicon Photonics 101

Five OnlineOctober 30, 2025Knowledge CenterComments are off for this post

Key Takeaways Silicon photonics leverages light to transmit quantum information with low loss, minimal noise, and high scalability. It enables dense, room-temperature quantum interconnects, integrates with classical CMOS logic, and supports photonic quantum computing architectures. Compared to traditional electronics, photonics offers greater bandwidth, lower energy consumption, and better signal fidelity. While challenges like scalable photon […]

Best Optics for Quantum Entanglement Experiments

Five OnlineSeptember 24, 2025Knowledge CenterComments are off for this post

Quantum entanglement experiments hinge on two things: the optics chain, which sets the quality of the entangled state, and the single-photon detectors, which define how reliably you can measure it. This article highlights best-practice setups, proven optical stacks, and how to select detectors for different scenarios. Why optics and detectors matter Bell-state fidelity: high indistinguishability […]

Long WD UV Objective for Scalable Ion-Trap Quantum Computing

Five OnlineSeptember 9, 2025Application NoteComments are off for this post

Key Takeaways Long working distance microscope objectives are essential for ion-trap quantum computing, enabling precise UV laser excitation and high-resolution fluorescence imaging. Their extended working distance, wide FOV, and low distortion make them ideal for multi-ion qubit control. Avantier’s custom UV objective lens met stringent requirements for 1 µm spot projection, >80% transmission, and diffraction-limited […]

NA 0.48 UV Objective with 52mm Working Distance for Ion Trapping

Five OnlineAugust 14, 2025Application NoteComments are off for this post

Key Takeaways In ion trapping experiments, precision optics are critical for delivering UV laser excitation and collecting ion fluorescence efficiently. This application note details the design, manufacturing process, and practical performance of a custom microscope objective for ion trapping with a long working distance (≥52 mm) and high numerical aperture (NA ≥ 0.48). The system […]

High NA, Vacuum-Compatible Objective Lenses for Quantum Computing

Five OnlineJuly 24, 2025Knowledge CenterComments are off for this post

Key Takeaways Objective lenses are essential in quantum computing for precise beam focusing, efficient fluorescence collection, and high-resolution qubit imaging. High numerical aperture boosts addressability and readout fidelity, while optimized working distance enables operation through vacuum or cryogenic interfaces. Wavelength-specific coatings, aberration correction, and window compensation preserve signal integrity. Vacuum and cryogenic compatibility, along with […]

Case Study: Achieving NA 0.7 with 14mm Working Distance in Optical Tweezers

Five OnlineMarch 19, 2025Case Study, Microscope Objective LensComments are off for this post

Optical tweezer technology is a tool that utilizes highly focused laser beams to capture and manipulate tiny particles, such as cells and nanoparticles.