[1] J Hardy, J Shamir. Optics inspired logic architecture [J]. Opt Express, 2002, 15(1):150–165.
[2] H J Caulfield, R A Soref, C S Vikram. Universal reconfigurable optical logic with silicon-on-insulator resonant structures [J]. Photonic Nanostruct, 2007, 5(1): 14–20.
[3] Q Xu, R A Soref. Reconfigurable optical directed-logic circuits using microresonator-based optical switches [J]. Opt Express, 2011, 19(6): 5244–5259.
[4] R A Soref. Reconfigurable integrated optoelectronics [J]. Advances in Optoelectronics, 2011, 2011: 627802.
[5] Q Xu, D Fattal, R G Beausoleil. Silicon microring resonators with 1.5-mm radius [J]. Opt Express, 2008, 16(6): 4309-4315.
[6] L Zhou, A W Poon. Electrically reconfigurable silicon microring resonator-based filter with waveguide-coupled feedback [J]. Opt Express, 2007, 15(15): 9194-9204.
[7] C Li, L Zhou, A W Poon. Silicon microring carrier-injection-based modulators/switches with tunable extinction ratios and OR-logic switching by using waveguide cross-coupling [J]. Opt Express, 2007, 15(8): 5069-5076.
[8] G Reed, G Mashanovich, F Y Gardes, et al.. Silicon optical modulators [J]. Nat Photonics, 2010, 4(8): 518–526.
[9] S Y Cho, R Soref. Interferometric microring-resonant 2×2 optical switches [J]. Opt Express, 2008, 16(17): 13304-13314.
[10] J Shamir. Half a century of optics in computing——a personal perspective [J]. Appl Opt, 2013, 52(4): 600-612.
[11] Y Tian, L Zhang, R Ji, et al.. Proof of concept of directed OR/NOR and AND/NAND logic circuit consisting of two parallel microring resonators [J]. Opt Lett, 2011, 36(9): 1650-1652.
[12] P Zhou, L Zhang, Y Tian, et al.. 10 GHz electro-optical OR/NOR directed logic device based on silicon micro-ring resonators [J]. Opt Lett, 2014, 39(7): 1937-1940.
[13] Y Tian, L Zhang, L Yang. Electro-optic directed AND/NAND logic circuit based on two parallel microring resonators [J]. Opt Express, 2012, 20(15): 16794-16800.
[14] L Zhang, R Ji, L Jia, et al.. Demonstration of directed XOR/XNOR logic gates using two cascaded microring resonators [J]. Opt Lett, 2010, 35 (10): 1620-1622.
[15] L Zhang, J Ding, Y Tian, et al.. Electro-optic directed logic circuit based on microring resonators for XOR/XNOR operations [J]. Opt Express, 2012, 20(11): 11605-11614.
[16] L Zhang, R Ji, Y Tian, et al.. Simultaneous implementation of XOR and XNOR operations using a directed logic circuit based on two microring resonators [J]. Opt Express, 2011, 19(7): 6532-6548.
[17] L Yang, L Zhang, C Guo, et al.. XOR and XNOR operations at 12.5 Gb/s using cascaded carrier-depletion microring resonators [J]. Opt Express, 2014, 22(3): 2996-3012.
[18] Y Tian, L Yang, L Zhang, et al.. Directed optical XOR/XNOR logic gates based on U-to-U shaped waveguides and two cascaded microring resonators [J]. IEEE Photon Technol Lett, 2013, 25(1): 18-21.
[19] W Zhu, Y Tian, L Zhang, et al.. Electro-optic directed XNOR logic gate based on U-shaped waveguides and microring resonators [J]. IEEE Photon Technol Lett, 2013, 25(14): 1305-1308.
[20] Y Tian, L Zhang, Q Xu, et al.. XOR/XNOR directed logic circuit based on coupled-resonator-induced transparency [J]. Laser Photonics Rev, 2013, 7(1): 109-113.
[21] Y Tian, L Zhang, R Ji, et al.. Demonstration of a directed optical encoder using microring-resonator-based optical switches [J]. Opt Lett, 2011, 36(19): 3795-3797.
[22] Y Tian, L Zhang, R Ji, et al.. Demonstration of a directed optical decoder using two cascaded microring resonators [J]. Opt Lett, 2011, 36(17): 3314-3316.
[23] Y Tian, L Yang, L Zhang, et al.. Directed optical half-adder based on two cascaded microring resonators [J]. IEEE Photon Technol Lett, 2012, 24(8): 643-645.
[24] Y Tian, L Zhang, J Ding, et al.. Demonstration of electro-optic half-adder using silicon photonic integrated circuits [J]. Opt Express, 2014, 22(6): 6958-6965.
[25] C Qiu, X Ye, R A Soref, et al.. Demonstration of reconfigurable electro-optical logic with silicon photonic integrated circuits [J]. Opt Lett, 2012, 37(19): 3942-3944.
[26] D J Thomson, F Y Gardes, J M Fedeli, et al.. 50 Gbit/s silicon optical modulator [J]. IEEE Photon Technol Lett, 2012, 24(4): 234-236.
[27] X Xiao, H Xu, Xi Li, et al.. 60 Gbit/s silicon modulators with enhanced electro-optical efficiency [C]. Optical Fiber Communication Conference/National Fiber Optic Engineers Conference, 2013. OW4J.3.