An innovative single development process for integrated optical Mach-Zehnder interferometer pattern transfer

NurulBariah Idris; Kuen Yau Lau; Kang Nan Khor; Mohamad Halim Abdul Wahid; Nor Azura Malini Ahmad Hambali; Vithyacharan Retnasamy; Mukhzeer Mohamad Shahimin

doi:10.1117/12.2257054

16 February 2017 An innovative single development process for integrated optical Mach-Zehnder interferometer pattern transfer

NurulBariah Idris, Kuen Yau Lau, Kang Nan Khor, Mohamad Halim Abdul Wahid, Nor Azura Malini Ahmad Hambali, Vithyacharan Retnasamy, Mukhzeer Mohamad Shahimin

Author Affiliations +

Proceedings Volume 10100, Optical Components and Materials XIV; 1010027 (2017) https://doi.org/10.1117/12.2257054
Event: SPIE OPTO, 2017, San Francisco, California, United States

Abstract

Integrated optical Mach-Zehnder interferometer (IO-MZI) has been widely researched for various usage including for biosensor application. However, the success rate of IO-MZI pattern transfer has been low using the conventional multidevelopment process. One of the main factors is the particle contamination due to the practice of reused developer bath. In this work, an innovative single development process had been proposed with the utilization of the same conventional set-up but with a different protocol. The concept of this method is the estimation of total development time based on the calculated development rate. By doing so, the development process can be completed with only one immersion of the substrate in the developer bath. Besides, the manipulation of development rate by varying exposure time in this work also had revealed the possibility of manipulation of line-width based on the exposure time. In short, the proposed single development process has increased the success rate of IO-MZI pattern transfer from 30% (multi-development method) to 90%.

Citation Download Citation

NurulBariah Idris, Kuen Yau Lau, Kang Nan Khor, Mohamad Halim Abdul Wahid, Nor Azura Malini Ahmad Hambali, Vithyacharan Retnasamy, and Mukhzeer Mohamad Shahimin "An innovative single development process for integrated optical Mach-Zehnder interferometer pattern transfer", Proc. SPIE 10100, Optical Components and Materials XIV, 1010027 (16 February 2017); https://doi.org/10.1117/12.2257054

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