10 Gb/s free space optical interconnect with broadcasting capability enabled by a silicon integrated optical phased array

Quan You; Daigao Chen; Xi Xiao; Shaohua Yu

doi:10.3788/COL202119.120602

Chinese Optics Letters, Volume. 19, Issue 12, 120602(2021)

10 Gb/s free space optical interconnect with broadcasting capability enabled by a silicon integrated optical phased array

Quan You^1,2, Daigao Chen¹, Xi Xiao^1,2、*, and Shaohua Yu^1,2

Author Affiliations

¹National Information Optoelectronics Innovation Center, China Information Communication Technologies Group Corporation (CICT), Wuhan 430074, China

²State Key Laboratory of Optical Communication Technologies and Networks, China Information Communication Technologies Group Corporation (CICT), Wuhan 430074, China

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Figures & Tables(7)

Fig. 1. Architecture of the proposed reconfigurable optical interconnect used in the field of (a) card to card and (b) card to multi-card.

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Fig. 2. (a) Microscope image of the proposed OPA. (b) Photo of the wire-bonded OPA on the PCB. (c) Schematic diagram of the channel grating in the proposed OPA.

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Fig. 3. Optical beam detected by an infrared CCD: (a) one spot; (b) two similar spots; (c) three similar spots; (d) five similar spots.

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Fig. 4. (a) Measured optical power loss versus different transmission distance with 0° steering angle. (b) Measured optical power loss versus different transmission schemes with 15 cm transmission distance.

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Fig. 5. Experiment setup of the optical broadcasting system with the proposed OPA. MZM, Mach–Zehnder modulator; EDFA, erbium-doped fiber amplifier; PC, polarization controller; PD, photodiode; OPA, optical phased array.

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Fig. 6. BER value of the 10 Gb/s OOK signal versus transmission distance for different transmission schemes.

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Table 1. Measured Centroid Coordinates of the Output Beams with 5 min Spacing in 1 h

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Table 1. Measured Centroid Coordinates of the Output Beams with 5 min Spacing in 1 h

Time (min)	5	10	15	20	25	30	35	40	45	50	55	60
X (mm)	0	0.001	$- 0.004$	$- 0.001$	$- 0.002$	0.005	0.001	$- 0.004$	0	$- 0.004$	$- 0.002$	$- 0.004$
Y (mm)	0	$- 0.006$	$- 0.001$	0.002	$- 0.001$	$- 0.001$	$- 0.001$	$- 0.004$	$- 0.002$	0.001	$- 0.005$	$- 0.003$

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Quan You, Daigao Chen, Xi Xiao, Shaohua Yu, "10 Gb/s free space optical interconnect with broadcasting capability enabled by a silicon integrated optical phased array," Chin. Opt. Lett. 19, 120602 (2021)

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Paper Information

Category: Fiber Optics and Optical Communications

Received: Jul. 28, 2021

Accepted: Oct. 14, 2021

Published Online: Nov. 4, 2021

The Author Email: Xi Xiao (xiaoxi@noeic.com)

DOI:10.3788/COL202119.120602

Topics

laser devices and laser physics

Lasers and Laser Optics

Laser physics

laser manufacturing

Instrumentation, Measurement and Metrology