Patent families

Recently filed/received by team members and exploited in the Center

VCSELs:

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01.01.2021

Patent family 4 (CAS 102-2): G. Larisch, Tian Sicong and D. Bimberg: "Multi-Aperture VCSEL", granted in US 17/170,709 + EU EP 20 210 737.1 (nationalized in GE, FR, UK) + China CN 112382927A under examination

Enabling several (e.g.single mode) VCSELs in a single mesa device leading to large output power + with switchable properties and/or polarization multiplexing...

Patent 4a.pdf

Patent 4b.pdf

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High Brightness Edge Emitting Lasers:

1.1.2021, 00:00

Patent 1: V. Kalosha and D. Bimberg: "Device comprising a high brightness broad-area edge-emitting semiconductor laser and method of making them", US 9,705,285 and EP 15 152 286.9

HIBBEE Laser, suppression of higher order modes leading to record high brilliance fundamental mode, based on modified vertical photonic band gap epi structure... More

1.1.2021, 00:00

Patent 2: V. Kalosha, K. Posilovic and D. Bimberg: "Device comprising a Laser", US 8,396,091 and EP 12 702 454.5

Corrugated lateral waveguide structure leading to suppression of higher order modes and increased output power of fundamental mode and minumum astimatism in the micron range... More

Mode locked lasers

01.01.2021, 00:00

Patent 1: D. Arsenijevic, M. Kleinert, D. Bimberg: "Optoelectronic Oscillator", US 9,780,525 + EP 14 742 458.4 + GER 102 013 211 633.0

suppression of timing jitter in mode-locked multi-GHz lasers to the fs-range by simple passive back-coupling of small proportion of light. More