An Ultra-Broadband Polarization-Insensitive Optical Hybrid Using Multiplane Light Conversion

An Ultra-Broadband Polarization-Insensitive Optical Hybrid Using Multiplane Light Conversion

We designed, fabricated, and tested a 90° optical hybrid using multiplane light conversion. The device supports an octave of bandwidth (900-1800 nm) in simulations. The measured phase errors are below 3° for free space output, and below 8° with a fiber array output, across a measurement bandwidth of...

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Veröffentlicht in:Journal of lightwave technology 2020-11, Vol.38 (22), p.6286-6291
Hauptverfasser: Zhang, Yuanhang, Fontaine, Nicolas K., Chen, Haoshuo, Ryf, Roland, Neilson, David T., Carpenter, Joel, Li, Guifang
Format: Artikel
Sprache:eng
Schlagworte:
Arrays
Bandwidths
Broadband
Conversion
High-speed optical techniques
Insertion loss
Laser beams
mode multiplexer
multiplane light conversion
Optical fiber couplers
Optical fiber devices
Optical fiber polarization
Optical hybrid
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Beschreibung
Zusammenfassung:We designed, fabricated, and tested a 90° optical hybrid using multiplane light conversion. The device supports an octave of bandwidth (900-1800 nm) in simulations. The measured phase errors are below 3° for free space output, and below 8° with a fiber array output, across a measurement bandwidth of 390 nm. The fully-packaged device (with input and output fiber arrays) has a measured insertion loss of 5.52 dB at 1550 nm. A high-speed transmission experiment with QPSK format was conducted to verify the performance of the fully-packaged device.
ISSN:0733-8724
1558-2213
DOI:10.1109/JLT.2020.3012108