6 papers · 1 filter
Heterogeneously Integrated Balanced Photodetector on an Ultra-Low Loss Silicon Nitride Delay Line Interferometer
Rahul Chawlani, Fatemehsadat Tabatabaei, Mark W. Harrington +7
Thin core silicon nitride photonics enables ultra-low loss, CMOS foundry compatible integration that supports wavelengths from the visible to shortwave infrared. Applications that…
Universal loss and gain characterization inside photonic integrated circuits
Haoran Chen, Ruxuan Liu, Gedalia Y. Koehler +7
Integrated photonics has undergone tremendous development in the past few decades, transforming many fields of study in science and technology. Loss and gain are two fundamental el…
Photonic chip-based optical frequency division with PZT-integrated soliton microcombs
Ruxuan Liu, Mark W. Harrington, Shuman Sun +15
Optical frequency division (OFD) produces low-noise microwave and millimeter-wave signals by transferring the exceptional stability of optical references to electronic frequency do…
Universal electronic synthesis by microresonator-soliton photomixing
Jizhao Zang, Travis C. Briles, Jesse S. Morgan +2
Access to electrical signals across the millimeter-wave (mmW) and terahertz (THz) bands offers breakthroughs for high-performance applications. Despite generations of revolutionary…
Integrated lithium niobate photonic computing circuit based on efficient and high-speed electro-optic conversion
Yaowen Hu, Yunxiang Song, Xinrui Zhu +24
Here we show a photonic computing accelerator utilizing a system-level thin-film lithium niobate circuit which overcomes this limitation. Leveraging the strong electro-optic (Pocke…
Broadband Optoelectronic Mixer for Terahertz Frequency-Comb Measurements
Jizhao Zang, Jesse S. Morgan, Andreas Beling +1
We demonstrate ultra-broadband optoelectronic mixing of frequency combs that provides phase-coherent detection of a repetition frequency up to 500 GHz, using a high-speed modified…