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Ultralow SwaP Photonic Integrated Spectrometer
Background On-chip spectrometers pose many advantages over other types of state-of-the-art spectrometers, which typically consist of large and bulky free space optical components. Small chips significantly reduce size, weight, and power (SWaP) and contain no moving parts, may include radiation-hardened materials, are much easier to shield from radiation...
Published: 9/21/2022   |   Inventor(s): Jaime Cardenas, Xiaotong He
Keywords(s):  
Category(s): Optics, Nanotechnology
High-speed tuning soliton microcomb: Method and device to tune comb lines and repetition rate of on-chip soliton microcomb at extremely fast speed.
­Background Spectrally pure microwaves are essential for many applications ranging from wireless communication to radar, clocks, and high-speed electronics. Soliton microcombs—phase-locked Kerr frequency combs produced on a monolithic chip—have recently come to light as a promising technique for synthesizing microwaves owing to their...
Published: 8/5/2022   |   Inventor(s): Qiang Lin, Yang He
Keywords(s):  
Category(s): Optics
On-Chip Ultracompact Spectrometer Based on Random Resonators
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Published: 6/1/2021   |   Inventor(s): Jaime Cardenas, Xiaotong He
Keywords(s):  
Category(s): Optics
Low-Power Edge Device for Wireless Communication Range Extension
An enhanced, ultra low power passive wake-up radio-based sensor includes a passive wake-up radio-based sensor node having an energy harvester and low power wake-up circuit to improve the wake-up range for passive wake-up radio sensor nodes without the need for local power. The wake-up sensor may additionally include a transmitter for providing a wake-up...
Published: 6/1/2021   |   Inventor(s): Wendi Heinzelman, He Ba, Li Chen
Keywords(s):  
Category(s): Communications