4.6 Article

High-Q 100 GHz Photonic Crystal Resonator Fabricated From a Cyclic Olefin Copolymer

Journal

IEEE MICROWAVE AND WIRELESS TECHNOLOGY LETTERS
Volume 33, Issue 3, Pages 279-282

Publisher

IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/LMWC.2022.3186168

Keywords

CNC milling; cyclic olefin copolymer (COC); photonic crystal resonator (PCR); quality factor (Q-factor); resonator

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This letter presents the design, fabrication, and characterization of an air-mode 1-D photonic crystal resonator (PCR) operating at 100 GHz. The PCR was made of an inexpensive cyclic olefin copolymer (COC) using computer numerical control (CNC) milling. Despite the lack of complete electromagnetic bandgap due to the low permittivity of the COC, a resonator with a high quality factor (Q-factor) of 2800 was achieved by shaping the resonant field to minimize radiative loss.
This letter describes the design, fabrication, and characterization of an air-mode 1-D photonic crystal resonator (PCR) operating at 100 GHz. The PCR was fabricated from an inexpensive cyclic olefin copolymer (COC) using computer numerical control (CNC) milling. It is demonstrated that despite the lack of complete electromagnetic bandgap arising due to the low permittivity of the COC, it remains possible to realize a resonator with a high quality factor (Q-factor) of 2800 through shaping of the resonant field to minimize radiative loss.

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