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Single-frequency VECSEL systems for quantum applications

As quantum sensing applications move toward commercialization, compact and efficient laser sources at rubidium wavelengths are becoming increasingly important. This paper presents Modulight’s 780 nm and 795 nm VCSEL technologies, optimized for applications such as vapor-cell magnetometers where low power consumption, small size, and stable performance are critical. The authors discuss wafer-level manufacturing techniques, polarization control, and production scalability for high-yield quantum sensing solutions.

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

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

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.

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High-power tapered diode lasers utilizing monolithic gratings

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  

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Power scalable speckle-free multi-wavelength light engine for super-resolution microscopy

Published in: SPIE BIOS 2025 Authors: Anna Essauolva, Sergei Kuehn, Visa Kaivosoja, Andrei Fedotov, Petteri Uusimaa  

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ML6600 Multiwavelength Distributed Bragg Reflector Laser Platform for Quantum Applications

ML6600 Multiwavelength Distributed Bragg Reflector Laser Platform for Quantum Applications Modulight ML6600 Distributed Bragg Reflector laser cores are available at various wavelengths - 650 nm, 760 nm, 780 nm, 785 nm, 795 nm, and 935 nm - relevant to quantum and spectroscopy applications. The fully in-house manufactured laser diodes exhibit reliable high-power operation with down

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