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Browsing by Author Le, Duy Tien

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  • Optical Signal Processing Based on 4×4 Multimode Interference Structures.pdf.jpg
  • Article

  • Optical Signal Processing Based on 4×4 Multimode Interference Structures

    • Authors: Le, Duy Tien; Le, Trung Thanh; Cahill, Laurence W. (2018)

  • All-optical logic gates have attracted considerable attention over the past decade. They have found application as adders, subtractors, header recognizers, parity checkers and in encryption systems. In this paper, we present a new structure based on cascaded 4×4 and 2×2 multimode interference (MMI) couplers for implementing optical XOR, XNOR, NAND and OR logic gates. The emphasis of the design is on optimising bandwidth and fabrication tolerance. Such a design would be useful for optical label swapping and recognition in optical packet switching networks. We use silicon on insulator (SOI) waveguides that are compatible with the CMOS technology, for designing the whole device. The Beam...
  • Sharp Asymmetric Resonance Based on 4x4 Multimode interference coupler.pdf.jpg
  • Article

  • Sharp Asymmetric Resonance Based on 4x4 Multimode Interference Coupler

    • Authors: Le, Duy Tien; Do, The Duong; Nguyen, Van Khoi; Nguyen, Anh Tuan; Le, Trung Thanh (2017)

  • We propose a method for generating the tunable Fano resonance line sharp by using only one 4x4 multimode interference (MMI) coupler. We show that our new device structure acting an interferometer and we employ a microring resonator and phase shifter to control the shape. The analytical analysis and FDTD simulations have been used for the first order design. The device has advantages of compactness, high tolerance fabrication and ease of fabrication on the same chip.

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Browsing by Author Le, Duy Tien

Jump to: 0-9 A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
or enter first few letters:  
Showing results 7 to 8 of 8
  • Optical Signal Processing Based on 4×4 Multimode Interference Structures.pdf.jpg
  • Article

  • Optical Signal Processing Based on 4×4 Multimode Interference Structures

    • Authors: Le, Duy Tien; Le, Trung Thanh; Cahill, Laurence W. (2018)

  • All-optical logic gates have attracted considerable attention over the past decade. They have found application as adders, subtractors, header recognizers, parity checkers and in encryption systems. In this paper, we present a new structure based on cascaded 4×4 and 2×2 multimode interference (MMI) couplers for implementing optical XOR, XNOR, NAND and OR logic gates. The emphasis of the design is on optimising bandwidth and fabrication tolerance. Such a design would be useful for optical label swapping and recognition in optical packet switching networks. We use silicon on insulator (SOI) waveguides that are compatible with the CMOS technology, for designing the whole device. The Beam...
  • Sharp Asymmetric Resonance Based on 4x4 Multimode interference coupler.pdf.jpg
  • Article

  • Sharp Asymmetric Resonance Based on 4x4 Multimode Interference Coupler

    • Authors: Le, Duy Tien; Do, The Duong; Nguyen, Van Khoi; Nguyen, Anh Tuan; Le, Trung Thanh (2017)

  • We propose a method for generating the tunable Fano resonance line sharp by using only one 4x4 multimode interference (MMI) coupler. We show that our new device structure acting an interferometer and we employ a microring resonator and phase shifter to control the shape. The analytical analysis and FDTD simulations have been used for the first order design. The device has advantages of compactness, high tolerance fabrication and ease of fabrication on the same chip.