Large-Scale Photonic Chip Based Pulse Interleaver for Low-Noise Microwave Generation

被引：0

作者：

Qiu, Zheru ^{[1
,2
]}

Singh, Neetesh ^{[3
]}

Liu, Yang ^{[1
,2
]}

Ji, Xinru ^{[1
,2
]}

Wang, Rui Ning ^{[1
,2
,4
]}

Kaertner, Franz X. ^{[3
]}

Kippenberg, Tobias ^{[1
,2
]}

机构：

[1] Swiss Fed Inst Technol Lausanne EPFL, CH-1015 Lausanne, Switzerland

[2] Ecole Polytech Fed Lausanne, Ctr Quantum Sci & Engn, CH-1015 Lausanne, Switzerland

[3] DESY, Ctr Free Electron Laser Sci, D-22607 Hamburg, Germany

[4] Luxtelligence SA, CH-1015 Lausanne, Switzerland

来源：

25TH EUROPEAN CONFERENCE ON INTEGRATED OPTICS, ECIO 2024 | 2024年 / 402卷

关键词：

LASER; WAVE;

D O I：

10.1007/978-3-031-63378-2_31

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

We demonstrate a 64-times multiplication of a mode-locked laser's 217MHz pulse repetition rate to 14GHz using an integrated Si3N4 interleaver. Six cascaded stages of Mach-Zehnder interferometers with up to 33 cm long optical delay lines are fully integrated into a very compact footprint of 8.5mm x 1.7 mm. By overcoming photodetector saturation during the high power peak, the generated microwave power was improved by 36 dB, which reduces the phase noise floor by more than 10-fold to -160 dBc/Hz on the 14GHz carrier.

引用

页码：193 / 197

页数：5

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