Realizing THz RFID Using Silicon Chip Space-Time Control Circuit

A unique RFID silicon chip is proposed for sensing applications. The RFID silicon chip is a microring circuit that has a panda ring form where the working principle is based on the space-time function. The RFID silicon chip operates in the frequency range of 150-250THz. The input light wavelength of 1.55 μm, which forms the input space signal via the input port enters the system and at the add port multiplexes with time to form the space-time function. The whispering gallery mode (WGM) with appropriate parameters is observed at the center ring of the silicon chip. The silver bars embedded at the center ring form the antenna of the RFID silicon chip. The antenna directivity and gain of 7.25 and 2.41 respectively are obtained. The sensing capabilities of the RFID silicon chip is determined where the temperature change range of the system is 0 °C-70 °C. The sensitivities of 2.34 × 10 14 rads -1o C −1 , 0.20mW o C −1 , 0.045NKg -1o C −1 , 3.75mWNKg −1 , 0.007 mW −1 and 0.080 mW −1 are respectively obtained. The RFID silicon chip can be employed as a quantum sensor. The device is applied for antenna-based applications, where the main objective is the broader wavelength where the connection between light and microwave can be realistic.