Chinese Optics, Volume. 16, Issue 5, 1186(2023)
Design of all-optical half-adder based on nonlinear effect and linear interference effect
Fig. 1. Characteristics of nonlinear annular cavity. (a) Structure of nonlinear annular cavity. (b) Normalized power of output port in the band of 1.52−1.58 μm
Fig. 2. Normalized output port powers at (a) low power incidence and (b) high power incidence
Fig. 3. (a) XOR gate structure. (b) Steady state electric field diagram when input is logic '11'
Fig. 5. Half-adder normalized power output curve. (a) Input is logical '01'. (b) Input is logical '10'. (c) Input is logical '11'
Fig. 7. Steady state diagram of half-adder electric field. (a) Input is logical '01'. (b) Input is logical '10'. (c) Input is logical '11'
Fig. 8. Normalized power output curve. (a) Input is logical '01'. (b) Input is logical '10'. (c) Input is logical '11'
Fig. 9. Influence of light source power on output. (a) Impact on CARRY output. (b) Impact on SUM output
Table 1. The output parameters of the latter half-adder
View tableView in ArticleTable 1. The output parameters of the latter half-adder
Input （Normalized power） Output （Normalized power） A B CARRY SUM 0 1 7.9×10−3 0.512 1 0 7.8×10−3 0.505 1 1 0.926 4.9×10−4
Table 2. Summarized features of proposed structure and previous works
View tableView in ArticleTable 2. Summarized features of proposed structure and previous works
Works SUM contrast (dB) CARRY contrast (dB) Bit rate (Tbps) Footprint (μm2) Ref[ 18 ]9.30 8.22 4.55 138 Ref[ 19 ]8.40 9.29 6.67 192 Ref[ 20 ]5.64 5.29 1.25 130 This work 20.13 20.69 0.75 623
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Jian-ye YANG, Rong WU, Hao-chen ZHANG. Design of all-optical half-adder based on nonlinear effect and linear interference effect[J]. Chinese Optics, 2023, 16(5): 1186
Category: Original Article
Received: Jan. 4, 2023
Accepted: --
Published Online: Oct. 27, 2023
The Author Email: Jian-ye YANG (1114332211@qq.com)
