Ultra-Low Noise Balanced Receiver with >20 dB Quantum-to-Classical Noise Clearance at 1 GHz

• URL: http://arxiv.org/abs/2110.15228v1
• Date: Thu, 28 Oct 2021 15:41:33 GMT
• Title: Ultra-Low Noise Balanced Receiver with >20 dB Quantum-to-Classical Noise Clearance at 1 GHz
• Authors: Dinka Milovan\v{c}ev, Florian Honz, Nemanja Voki\'c, Fabian Laudenbach, Hannes H\"ubel, Bernhard Schrenk
• Abstract summary: We demonstrate a die-level balanced homodyne receiver for coherent optical access and continuous-variable quantum applications. 500Mb/s QPSK transmission was accomplished with a sensitivity of -55.8dBm.
• Score: 0.0
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: We demonstrate a die-level balanced homodyne receiver for coherent optical access and continuous-variable quantum applications, featuring a 40dB CMRR up to 1GHz and a high quantum-to-classical noise ratio of 26.8dB at 12.3mW of LO power. 500Mb/s QPSK transmission was accomplished with a sensitivity of -55.8dBm.

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