BIMBERG CHINESE-GERMAN CENTER FOR GREEN PHOTONICS
 
“Quantum technologies will enable more energy efficient photonic systems for a sustainable society”

Patent families

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

VCSELs:

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01.01.2021, 00:00

Patent 1: G. Larisch, J. Lott and D. Bimberg: "Photon lifetime tuning", US 9,9791,58 + PCT/EP 2018/050238

Tuning the photon lifetime in a VCSEL by evaporating ultra thin layers of dielectrics on the top mirror enables to maximize the output power and/or minimize the energy to data rate EDR as a function of the...   mehr


01.01.2021, 00:00

Patent 2: G. Larisch and D. Bimberg: "Flip Chip Bonding of VCSELs", EP 19 174 870.6 + PCT/EP 2020/063500 + WO 2020/229614 A1

Substrate removal and flip chip integration of GaAs based VCSEL and Si based devices   mehr


01.01.2021, 00:00

Patent 3: G. Larisch, Tian Sicong and D. Bimberg: "Multi-Aperture VCSEL", EP 20 192 355.4 + US 17/170,834 + Chinese application submitted

enabling large power single-mode VCSEL with very low electrical resistance   mehr


01.01.2021, 00:00

Patent 4: G. Larisch, Tian Sicong and D. Bimberg: "Multi-Section VCSEL", EP 20 210 737.1 + US 17/170,709 + Chinese application submitted

enabling VCSELs with switchable properties and/or polarization multiplexing both in a single mesa device   mehr





High Brightness Edge Emitting Lasers:


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1.1.2021

Patent 6: 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



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Mode locked lasers

01.01.2021, 00:00

Patent 7: 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   mehr




 
 
 
 
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