3 results about "Ring modulation" patented technology

The invention relates to a micro-ring modulation light engine based on glass substrate packaging and a manufacturing method thereof, and the light engine comprises a glass substrate which is provided with a first plate surface and a second plate surface; the micro-ring modulation optical chip and the electric chip are respectively mounted on the first plate surface through a first connecting structure, and the optical chip and the electric chip are electrically connected through an electric interconnection structure formed in the glass substrate; the engine substrate is electrically connected with the second board surface through a second connecting structure, so that the micro-ring modulation optical chip and the electric chip are electrically communicated with an external circuit; and the optical coupling element is optically coupled to the optical port of the optical chip. In the invention, the glass substrate is used as an adapter plate to connect the photoelectric chip and the engine substrate, so that the micro-ring modulation optical chip and the electric chip can be integrated on the glass substrate in a high-density manner through a packaging technology, and the problems of high I / O quantity and high-bandwidth electric interconnection between the micro-ring modulation optical chip and the driving chip can be well solved; the integration level and the photoelectron interconnection density which are far higher than those of a traditional packaging scheme are achieved; through high-density integration, extremely high bandwidth density is realized in an extremely small packaging size, and dual requirements of a CPO / NPO optical engine on extreme performance and compact space occupation can be met.

Embodiments of the present application propose an imaging system based on super-Raleigh limit focusing lens and its application, which can be widely applied in the technical fields of photolithography, biomedical, optical imaging and nanometer structure precision measurement; the system can produce transverse wave vector distribution and excitation and detection vector beams with wave vector range meeting the requirements by wave vector ring modulation on incident linearly polarized light, focus the vector beams to make the focusing field meet the scale requirements, so as to obtain super-Raleigh limit excitation PSF and detection PSF, and obtain a confocal PSF capable of exciting high-order terms of spot intensity by superimposing the excitation and detection PSFs, thereby improving the imaging resolution of the system; on the other hand, the system can use solid and hollow focusing spots formed by focusing vector beams to form an image, and calculate according to the imaging result to reduce interference, so as to obtain a high-resolution detection result far exceeding the Raleigh diffraction limit, and further improve the resolution of the imaging system.

The application discloses a kind of micro-ring wavelength division multiplexing systems and its optical channel monitoring method, device, applied to optical fiber communication technical field, to solve the problem of accurately identifying the shift of micro-ring operating wavelength, multiple optical label generation module generates the optical signal label corresponding to each laser one by one;Laser adopts received optical signal label to modulate the light source signal generated by itself to obtain modulated light source signal;Optical coupler carries out wavelength division multiplexing to each modulated light source signal and is transmitted to micro-ring modulation array by waveguide;Micro-ring modulator array is transmitted to the optical signal that is matched with itself tuning wavelength by each micro-ring modulator;Optical signal detection module determines the shift of micro-ring modulator operating wavelength according to the current optical signal label in the optical signal that each micro-ring modulator respectively outputs and the optical signal label of target laser corresponding to micro-ring modulator;It improves the detection accuracy of the shift of micro-ring modulator operating wavelength.