Analysis of CMOS Compatible Cu-Based TM-Pass Optical Polarizer

Tien Khee Ng, Mohammed Zahed Mustafa Khan, Ahmad Al-Jabr, Boon S. Ooi

Research output: Contribution to journalArticlepeer-review

45 Scopus citations


A transverse-magnetic-pass (TM-pass) optical polarizer based on Cu complementary metal-oxide-semiconductor technology platform is proposed and analyzed using the 2-D method-of-lines numerical model. In designing the optimum configuration for the polarizer, it was found that the metal-insulator-metal (MIM) polarizer structure is superior compared to the insulator-metal-insulator polarizer structure due to its higher polarization extinction ratio (PER) and low insertion loss. An optimized MIM TM-pass polarizer exhibits simulated long wavelength pass filter characteristics of > ?1.2 ?m, with fundamental TM 0 and TE 0 mode transmissivity of >70% and <5%, respectively, and with PER ?11.5 dB in the wavelength range of 1.2-1.6 ?m. The subwavelength and submicrometer features of this TM-polarizer are potentially suitable for compact and low power photonics integrated circuit implementation on silicon-based substrates. © 1989-2012 IEEE.
Original languageEnglish (US)
Pages (from-to)724-726
Number of pages3
JournalIEEE Photonics Technology Letters
Issue number9
StatePublished - Feb 10 2012


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