Presentation
12 March 2024 Experimental demonstration of a SiN integrated polarization beam splitter for the 950 nm wavelength band
Author Affiliations +
Proceedings Volume PC12893, Photonic Instrumentation Engineering XI; PC1289302 (2024) https://doi.org/10.1117/12.3002840
Event: SPIE OPTO, 2024, San Francisco, California, United States
Abstract
Silicon Nitride photonic integrated circuits are highly sought after for quantum applications. This platform offers ultra-low propagation losses, reduced birefringence, and a wide transparency window. This study presents the design and experimental demonstration of a compact silicon nitride polarization beam splitter (PBS) for the 950 nm wavelength range. The PBS employs cascaded tapered asymmetric directional couplers to achieve efficient polarization control. With insertion losses below 1 dB, polarization extinction ratios exceeding 19 dB (TE) and 10 dB (TM), and operation from 920 nm to 970 nm, it offers promising integration into photonic systems requiring precise polarization manipulation.
Conference Presentation
© (2024) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Zindine Mokeddem, Laurent Vivien, Delphine Marris-Morini, Eric Cassan, Pavel Cheben, Jens Schmid, Dan-Xia Xu, Yuri Grinberg, Maziyar Milanizadeh, Carlos Ramos, and Daniele Melati "Experimental demonstration of a SiN integrated polarization beam splitter for the 950 nm wavelength band", Proc. SPIE PC12893, Photonic Instrumentation Engineering XI, PC1289302 (12 March 2024); https://doi.org/10.1117/12.3002840
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KEYWORDS
Polarization

Silicon nitride

Beam splitters

Quantum experiments

Photonic integrated circuits

Polarization control

Quantum technology applications

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