Simplifying Polarization Control for SNSPDs
Polarization drift in the last fiber stretch can quietly limit detection efficiency, especially in quantum networks, optical ground stations, and quantum data centers.
ID Quantique (IDQ) has published a new application note: “Simplifying polarization control for SNSPDs operating in Quantum Data Centers using PMF coupling”
In this application note, IDQ (now part of IonQ) shows how PMF-coupled SNSPDs maintain the correct polarization all the way to the detector, eliminating the need for last-meter polarization control without compromising performance.
Benefits include:
- Simpler system integration
- Stable peak efficiency over time
- Ideal for long-term, hands-off operation
About ID Quantique
Founded in 2001, ID Quantique (IDQ) is the world leader in quantum-safe crypto solutions, designed to protect data for the future. The company provides random number generation, quantum-safe security, and quantum detection systems to the financial industry, enterprises, and government organizations globally. IDQ’s quantum random number generator has been validated according to global standards and independent agencies and is the reference in highly regulated and mission-critical industries such as security, encryption, critical infrastructure, and IoT — where trust is paramount.
IDQ’s Quantum Sensing business unit provides photon counting solutions for the visible and near infrared regions of the optical spectrum, pulsed laser sources, counting & timing electronics and photonic sensing solutions for both industrial and research applications in various domains, such as quantum physics, communication, biological and material sciences, defense and security, oil and gas, etc.
To request more information or a quotation for any ID Quantique products, contact IL Photonics.