16.9 Gb/s Single-Channel LWIR FSO Data Transmission with Directly Modulated QCL and MCT Detector

Mahdieh Joharifar,Hamza Dely,Laureline Durupt,Armands Ostrovskis,Richard Schatz,Rafael Puerta,Thomas Bonazzi,Gregory Maisons,Djamal Gacemi,Lu Zhang,Sandis Spolitis,Yan-Ting Sun,Vjačeslavs Bobrovs,Xianbin Yu,Angela Vasanelli,Oskars Ozolins,Carlo Sirtori,Xiaodan Pang

2024 Optical Fiber Communications Conference and Exhibition (OFC)（2024）

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Abstract

We experimentally demonstrate a room-temperature LWIR FSO link with a 9.1-μm directly modulated QCL and an MCT detector. Net bitrate of up to 16.9 Gb/s is achieved at both 15°C and 20°C over a 1-meter distance.

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Key words

Quantum Cascade Lasers,Epitaxial,Bit Error Rate,Power Meter,Molecular Beam Epitaxy,Digital Oscilloscope,Eyewall,Thermoelectric Coolers,Arbitrary Waveform Generator,Mercury Cadmium Telluride,Wavelength Division Multiplexing,Bit Error Rate Performance,Modulation Formats,Eye Diagrams,Distributed Feedback,Receiver End

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