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For the Inventor, By the Inventor

Munich, Germany

Markus-Christian Amann

USPTO Granted Patents = 11

Average Co-Inventor Count = 1.9

ph-index = 8

Forward Citations = 120(Granted Patents)


Location History:

  • Munich, DE (1987 - 1994)
  • Baunatal, DE (1996 - 1998)

Company Filing History:

goldMedal11 out of 30,028 
 
Siemens Aktiengesellschaft
 patents

Years Active: 1987-1998

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11 patents (USPTO):
1. 5784398 - Optoelectronic component having codirectional mode coupling (1998-07-21),
2. 5511084 - Tunable laser diode (1996-04-23),
3. 5325379 - Tunable laser diode (1994-06-28),
4. 5260960 - Tunable semiconductor laser on a semi-insulating substrate (1993-11-09),
5. 5008893 - Tunable semiconductor laser (1991-04-16),
6. 4963507 - Method and manufacturing a laser diode with buried active layer (1990-10-16),
7. 4918701 - Semiconductor laser arrangement and method for the operation thereof (1990-04-17),
8. 4792200 - Array of coupled optical waveguides (1988-12-20),
9. 4742525 - Coupled laser diode arrangement (1988-05-03),
10. 4682337 - Laser diode with buried active layer and lateral current limitation by (1987-07-21),
11. 4656636 - Method for manufacturing of integrated DFB laser with coupled strip (1987-04-07),

Title: Innovations of Markus-Christian Amann

Introduction

Markus-Christian Amann is a prominent inventor based in Munich, Germany. He has made significant contributions to the field of optoelectronics, holding a total of 11 patents. His work focuses on developing advanced components that enhance the performance and efficiency of optical systems.

Latest Patents

One of his latest patents is for an optoelectronic component having codirectional mode coupling. This innovative component features two waveguide layers and a layer with a periodic structure, arranged parallel to one another. The design is intended to produce codirectional coupling between modes guided in each waveguide layer. To prevent undesirable reflections, the effective refractive index in the periodic structure is gradually changed along the direction of propagation. This change can occur by adjusting the boundary of the periodic structure at an angle other than a right angle to the direction of propagation, either vertically or laterally. Another notable patent is for a tunable laser diode, which includes an integrated Mach-Zehnder interferometer. This device consists of two vertically arranged waveguides, with the second waveguide extending over the entire resonator length. The first waveguide is present only in specific interconnected sections, allowing for effective coupling between modes guided in the waveguides.

Career Highlights

Markus-Christian Amann is currently employed at Siemens Aktiengesellschaft, where he continues to innovate in the field of optoelectronics. His work has significantly impacted the development of advanced optical components, contributing to the technological advancements in this area.

Collaborations

He has collaborated with notable colleagues, including Wolfgang Thulke and Bernhard Stegmueller, who have also contributed to the field of optoelectronics.

Conclusion

Markus-Christian Amann's contributions to optoelectronics through his patents and collaborations highlight his role as a leading inventor in the industry. His innovative designs continue to push the boundaries of technology and improve optical systems.

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