Tag: DBR

Raman Spectroscopy

Modulight’s Raman spectroscopy lasers deliver narrow-linewidth, low-noise, and highly stable illumination for accurate molecular analysis. Designed for OEM integration and research applications, our modular laser platform provides exceptional wavelength stability, configurable output power, and wavelengths from UV to beyond 3 µm. Whether for pharmaceuticals, life sciences, materials science, or industrial process monitoring, Modulight enables reliable, high-performance Raman spectroscopy.

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Long-lifetime 632.8 nm DBR laser diode solution for HeNe replacement

Scientific papers / 14-pin butterfly, 632.8 nm, DBR, diode laser, helium-neon, HeNe, high reliability, interferometry, metrology, microscopy, on-chip grating, single-frequency, spectroscopy, SPIE, stable operation / March 5, 2026

This paper demonstrates the performance and long-term reliability of Modulight’s 632.8 nm DBR laser diode, providing a compact, stable, and durable alternative to traditional HeNe lasers for precision metrology and interferometric applications.

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Integrated 795nm narrow linewidth MOPA butterfly laser for quantum sensing and magnetometry

Scientific papers / #TailoredLaser, 780 nm, 795 nm, butterfly, D1, D2, DBR, ICP, magnetometry, MOPA, narrow linewidth, quantum, Quantum West, sensing, SPIE, tapered amplifier / March 5, 2026

High-power narrow-linewidth lasers around 795 nm are essential for quantum sensing, magnetometry, Raman spectroscopy, and biomedical applications. This work introduces a fully integrated butterfly-packaged MOPA solution combining a sub-500 kHz DBR seed laser with a tapered amplifier to achieve watt-class output power while preserving spectral purity. The compact architecture enables high performance in a practical form factor suitable for demanding field and laboratory applications.

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Modulight Expands DBR MOPA Portfolio with Highly Stable Fiber-Coupled System

Press Releases / 1 W, 935 nm, DBR, highly stable, ML6600, MOPA, tapered amplifier / January 16, 2026

Building on the earlier introduction of a tapered amplifier portfolio, Modulight now offers a highly stable, fiber-coupled DBR MOPA system designed for demanding applications requiring exceptional robustness and ease of integration. This DBR MOPA systems answer to the need of quantum technology, high-precision timing, sensing, and spectroscopy applications, providing 750 nm…1100 nm wavelengths and over 1 W of free-space output power.

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New Portfolio of Single-Frequency DBR and DFB Lasers and High-Power Tapered Amplifiers for Quantum and Precision Applications

Press Releases / 1550 nm, 770 nm, 780 nm, 785 nm, 795 nm, 935 nm, atomic clock, cesium, DBR, DFB, high-power, metrology, narrow linewidth, quantum computing, quantum sensing, Rubidium, single-frequency, spectroscopy, tapered amplifier, Ytterbium / December 29, 2025

Modulight’s new portfolio of single-frequency DBR and DFB lasers and high-power tapered amplifiers is targeted for quantum sensing and quantum computing applications. Additionally, these products are used in magnetometers, spectroscopy, atomic clocks, metrology, and manipulating atoms.

New Portfolio of Single-Frequency DBR and DFB Lasers and High-Power Tapered Amplifiers for Quantum and Precision Applications Read More »

High-power tapered diode lasers utilizing monolithic gratings

Scientific papers / 778 nm, 780 nm, 785 nm, 935 nm, chip, DBR, DBR laser, Distributed Bragg reflector, fiber laser, high-power, Modulight authors, MOPA, narrow linewidth, OPTO, Photonics West, quantum computing, Raman spectroscopy, SPIE, tapered amplifier, Yb ion repumping, Ytterbium / March 21, 2025

Published in: SPIE OPTO 2025 Authors: Luukas Kuusela, Timo Aho, Riina Ulkuniemi, Mika Mähönen, Jussi Hämelahti, Andreas Schramm, Soile Talmila, Jarkko Liimatainen, Pekko Sipilä, Petteri Uusimaa Semiconductor lasers are small and robust devices with low power consumption and good reliability. They can be produced in a wafer scale process yielding up to thousands of devices and a large span of wavelengths can be covered

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High-power DBR lasers at elevated operation temperature

Scientific papers / 794.8 nm, Bragg reflector, DBR, DBR laser, diode laser, Distributed Bragg reflector, epitaxial material, high-power, ML6600, Modulight authors, OPTO, Photonics West, Ru D1, Rubidium, sensing, single-frequency, SPIE / March 19, 2025

Published in: SPIE OPTO 2025 Authors: Luukas Kuusela, Timo Aho, Riina Ulkuniemi, Mika Mähönen, Jussi Hämelahti, Andreas Schramm, Soile Talmila, Jarkko Liimatainen, Pekko Sipilä, Petteri Uusimaa Various commercial fieldable sensing applications require compact, robust, and stable single-frequency laser sources. Distributed Bragg reflector (DBR) lasers enable single-frequency operation without an external cavity and alignmentsensitive components. This makes them the solution of choice for compact and

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Recent advances in visible AlGaInP laser diodes

Scientific papers / 632.8 nm, 650 nm, AlGaInP, AR/VR, biomedical, DBR, DBR laser, digital printing, diode laser, display, Distributed Bragg reflector, GaAs, HeNe alternative, high-power, Modulight authors, OPTO, Photonics West, quantum, quantum computing, red laser, single-frequency, single-mode, SPIE / March 19, 2025

Published in: SPIE OPTO 2025 Authors: R. Ulkuniemi, A. Schramm, S. Talmila, M. Mähönen, L. Kuusela, T. Aho, J. Hämelahti, V. Vilokkinen, P. Sipilä, P. Uusimaa Visible red laser diodes are mostly based on AlGaInP material systems, grown on GaAs. The challenges in manufacturing of the diodes are found in thermal behavior, facet stability, and doping, which must be solved for reaching the best

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Introducing Modulight’s Versatile DBR Laser platform

Press Releases / 1100 nm, 630 nm, 633 nm, 650 nm, 760 nm, 780 nm, 785 nm, 795 nm, 935 nm, Barium, DBR, metrology, quantum, Raman spectroscopy, Rubidium, sensing, Ytterbium / January 17, 2025

Introducing Modulight’s Versatile DBR Laser platform Modulight announces the launch of its latest Distributed Bragg Reflector (DBR) lasers, offering a configurable wavelength range from 630 nm to 1100 nm. These advanced lasers are designed to meet the high demands in quantum systems, quantum sensing, Raman spectroscopy, and metrology. Key wavelengths of Modulight DBR laser platform

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