High power and high beam quality surface grating VCSEL

Ahmed Hassan,Xiaodong Gu,Masanori Nakahama,Satoshi Shinada,Moustafa Ahmed,Fumio Koyama

High power and high beam quality surface grating VCSEL

2021

Ahmed Hassan
Xiaodong Gu
Masanori Nakahama
Satoshi Shinada
Moustafa Ahmed
Fumio Koyama

We demonstrate single-mode surface grating VCSELs with mm-long oxide-aperture, exhibiting 3W pulsed output power and high beam quality. Stable single mode operation is obtained by shallow surface grating with beam divergence angle of 0.053°.

Keywords:

Materials science
Single-mode optical fiber
surface grating
laser amplifiers
Optics
Thermal management of electronic devices and systems
Power (physics)
Laser beam quality
Beam divergence
Vertical-cavity surface-emitting laser

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