Design and Performance Evaluation of 800 Gbit/s OSFP 2×DR4 Optical Transceiver Module for High-Bandwidth Data Centers

Lizhao Gao; Chunfu Wu; Linchun Li; Huifang Li; Minsheng Gao

doi:10.3788/LOP240857

Laser & Optoelectronics Progress, Volume. 62, Issue 1, 0106001(2025)

Design and Performance Evaluation of 800 Gbit/s OSFP 2×DR4 Optical Transceiver Module for High-Bandwidth Data Centers

Lizhao Gao^1,2、*, Chunfu Wu², Linchun Li², Huifang Li¹, and Minsheng Gao²

Author Affiliations

¹National Elite Institute of Engineering, Northwestern Polytechnical University, Xi'an 710129, Shaanxi ,China

²Photoelectric Department, Dongguan Luxshare Technology Co., Ltd., Dongguan 523651, Guangdong , China

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Figures & Tables(9)

Fig. 1. Basic principle diagram of 800 Gbit/s optical module

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Fig. 2. Schematic of internal structure of optical module

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Fig. 3. Eye diagrams of optical module A at different temperatures. (a) 0 ℃; (b) 25 ℃; (c) 70 ℃

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Table 1. Test data of transmitting end of optical module A at 70 ℃

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Table 1. Test data of transmitting end of optical module A at 70 ℃

Test parameter	Agreement requirement	CH1	CH2	CH3	CH4	CH5	CH6	CH7	CH8
TX power /dBm	-2.9‒4.0	1.30	1.10	1.07	1.03	1.60	1.55	1.32	1.99
ER /dB	>3.5	4.80	4.80	4.70	5.00	4.70	4.98	5.50	4.35
TDECQ /dB	<3.4	2.10	2.10	1.93	1.70	1.83	1.85	1.93	1.64

Table 2. Test data of transmitting end of optical module A at 25 ℃

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Table 2. Test data of transmitting end of optical module A at 25 ℃

Test parameter	Agreement requirement	CH1	CH2	CH3	CH4	CH5	CH6	CH7	CH8
TX power /dBm	-2.9‒4.0	2.25	2.23	2.23	2.66	1.94	2.00	2.33	2.52
ER /dB	>3.5	4.88	4.65	4.53	4.63	4.61	4.51	5.10	4.60
TDECQ /dB	<3.4	1.60	1.60	1.46	1.41	1.52	1.36	1.67	1.48

Table 3. Test data of transmitting end of optical module A at 0 ℃

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Table 3. Test data of transmitting end of optical module A at 0 ℃

Test parameter	Agreement requirement	CH1	CH2	CH3	CH4	CH5	CH6	CH7	CH8
TX power /dBm	-2.9‒4.0	2.94	2.85	2.92	3.00	2.30	2.46	2.66	2.80
ER /dB	>3.5	4.53	4.28	4.26	4.10	4.00	3.99	4.48	4.36
TDECQ /dB	<3.4	1.27	1.56	1.26	1.07	1.29	0.98	1.37	1.36

Table 4. Test data of receiving end of optical module A at 70 ℃
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Table 4. Test data of receiving end of optical module A at 70 ℃
Test parameter Agreement requirement CH1 CH2 CH3 CH4 CH5 CH6 CH7 CH8
Sensitivity /dBm <-4.3 -8.90 -9.10 -9.10 -9.30 -9.20 -8.80 -9.30 -9.10

Table 5. Test data of receiving end of optical module A at 25 ℃
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Table 5. Test data of receiving end of optical module A at 25 ℃
Test parameter Agreement requirement CH1 CH2 CH3 CH4 CH5 CH6 CH7 CH8
Sensitivity /dBm <-4.3 -8.80 -9.40 -9.20 -9.20 -9.10 -9.40 -9.20 -9.30

Table 6. Test data of receiving end of optical module A at 0 ℃
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Table 6. Test data of receiving end of optical module A at 0 ℃
Test parameter Agreement requirement CH1 CH2 CH3 CH4 CH5 CH6 CH7 CH8
Sensitivity /dBm < -4.3 -8.70 -9.100 -9.200 -9.40 -9.30 -9.30 -9.30 -9.20

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Lizhao Gao, Chunfu Wu, Linchun Li, Huifang Li, Minsheng Gao. Design and Performance Evaluation of 800 Gbit/s OSFP 2×DR4 Optical Transceiver Module for High-Bandwidth Data Centers[J]. Laser & Optoelectronics Progress, 2025, 62(1): 0106001

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