US 12,470,036 B2
Optical fiber amplifier compatible with small form-factor pluggables (SFP+) package
Jinlong Chen, Wuxi (CN); Songgui Wu, Wuxi (CN); Jianhua Hou, Wuxi (CN); Yunbin Feng, Wuxi (CN); and Xianqin Li, Wuxi (CN)
Assigned to WUXI TACLINK OPTOELECTRONICS TECHNOLOGY CO., LTD., Wuxi (CN)
Appl. No. 17/764,989
Filed by WUXI TACLINK OPTOELECTRONICS TECHNOLOGY CO., LTD., Wuxi (CN)
PCT Filed Jul. 30, 2020, PCT No. PCT/CN2020/105670
§ 371(c)(1), (2) Date Mar. 30, 2022,
PCT Pub. No. WO2022/016596, PCT Pub. Date Jan. 27, 2022.
Claims priority of application No. 202010725346.3 (CN), filed on Jul. 24, 2020.
Prior Publication US 2022/0385023 A1, Dec. 1, 2022
Int. Cl. H01S 3/067 (2006.01); G02B 6/42 (2006.01); H01S 3/094 (2006.01); H01S 3/13 (2006.01); H01S 3/16 (2006.01)
CPC H01S 3/06704 (2013.01) [H01S 3/06716 (2013.01); H01S 3/06754 (2013.01); H01S 3/06791 (2013.01); H01S 3/094003 (2013.01); H01S 3/1301 (2013.01); H01S 3/1608 (2013.01); G02B 6/4261 (2013.01); G02B 6/4284 (2013.01)] 12 Claims
OG exemplary drawing
 
1. An optical fiber amplifier compatible with a small form-factor pluggables plus (SFP+) package, comprising: a housing, a circuit device and an optical path device, wherein the circuit device and the optical path device are disposed in the housing, the housing comprises a structure compatible with the SFP+ package, and an accommodation space is arranged in the housing; the circuit device and the optical path device are located in the accommodation space, and the optical path device is located below the circuit device; and the circuit device is provided with a card edge connector, and the card edge connector is configured to be exposed outside the housing,
wherein the optical path device comprises a two-in-one device, a three-in-one device, an erbium-doped fiber, and an adapter, wherein the erbium-doped fiber comprises a ring structure, the two-in-one device and the three-in-one device are located in the ring structure, the two-in-one device is connected to a pump light source, an input terminal of the two-in-one device is configured to input a first optical signal, an output terminal of the two-in-one device and an input terminal of the three-in-one device are connected by using the erbium-doped fiber, an output terminal of the three-in-one device is configured to output a second optical signal, the adapter is located outside the ring structure and is located inside the accommodation space inside the housing, and the two-in-one device and the three-in-one device are directly optically connected to the adapter.