Issued Patents All Time
Showing 1–22 of 22 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11670907 | Tunable semiconductor laser device | Per Granestrand | 2023-06-06 |
| 11081863 | Optical device and method for controlling such a device | Per Granestrand, Martin Anders Isak Stattin, Staffan David Hellström | 2021-08-03 |
| 10551714 | Optical device | David M. Adams, Efthymios Rouvalis, Martin Zirngibl, Robert Lewen, Christopher Daunt | 2020-02-04 |
| 9921370 | Waveguide for extraction of light at low levels of reflection | Per Granestrand, Stefan Hammerfeldt | 2018-03-20 |
| 9209606 | Semiconductor optical amplifier | Dave Adams | 2015-12-08 |
| 9172472 | Method for modulating a carrier light wave | Christopher Daunt, Peter Szabo, Urban Eriksson | 2015-10-27 |
| 9104085 | Method for modulating a carrier light wave | — | 2015-08-11 |
| 8867874 | Method for modifying the combining or splitting ratio of a multimode interference coupler | Dave Adams | 2014-10-21 |
| 8867579 | Semiconductor laser device | Edgard Goobar, Urban Eriksson | 2014-10-21 |
| 8787412 | Method for calibrating a tunable laser | Urban Eriksson, Robert Lewen, Filip Öhman | 2014-07-22 |
| 8665917 | Method for calibrating a tunable laser | Urban Eriksson, Robert Lewen, Filip Öhman | 2014-03-04 |
| 8649641 | Light wave guide with low reflectivity | Dave Adams | 2014-02-11 |
| 8306370 | Mach zehnder modulator | Per Granestrand, Dave Adams | 2012-11-06 |
| 8041164 | Transition device for optical waveguides | Per Granestrand, Dave Adams | 2011-10-18 |
| 7957618 | Integrated photonic circuit | Pierre-Jean Rigole | 2011-06-07 |
| 7910384 | Method for producing a modulated grating for an optimal reflection spectrum | — | 2011-03-22 |
| 6904065 | Method and apparatus for compensating losses in a tunable laser filter | — | 2005-06-07 |
| 6888858 | Method for frequency and mode stabilization of a tuneable laser | — | 2005-05-03 |
| 6810058 | Semiconductor laser with gain waveguide layer providing transversal and longitudinal mode stability | — | 2004-10-26 |
| 6785309 | Method for frequency and mode stabilisation of a tuneable laser that has at least three sections | — | 2004-08-31 |
| 6763165 | Grating assisted coupler with controlled start | Lennart Lundqvist | 2004-07-13 |
| 6665474 | Method of improving selectivity in a tunable waveguide filter | — | 2003-12-16 |