Methods and systems for introducing electromagnetic radiation into photonic crystals
April 1, 2018. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent ReferencesLow-loss dielectric resonator having a lattice structure with a resonant defect Filter utilizing a frequency selective non-conductive dielectric structure Periodic dielectric structure for production of photonic band gap and method for fabricating the same Three-dimensional periodic dielectric structures having photonic bandgaps Low-loss dielectric resonant devices having lattice structures with elongated resonant defects Optoelectronic integrated circuits and method of fabricating and reducing losses using same Three-dimensional periodic dielectric structures having photonic bandgaps Semiconductor laser having a structure of photonic bandgap material Photonic bandgap crystal frequency multiplexers and a pulse blanking filter for use therewith Microwave active notch filter and operating method with photonic bandgap crystal feedback loop Patent #: 5818309 InventorsApplicationNo. 053160 filed on 04/01/1998US Classes:359/321, Having particular chemical composition or structure359/237, OPTICAL MODULATOR359/238, Light wave temporal modulation (e.g., frequency, amplitude, etc.)359/326, OPTICAL FREQUENCY CONVERTER359/332Dielectric optical waveguide typeExaminersPrimary: Epps, GeorgiaAssistant: Burke, Margaret Attorney, Agent or FirmInternational ClassesG02F 001/01G02F 001/03 AbstractA method for introducing desired electromagnetic radiation into a photonic crystal having a photonic bandgap and at least one defect, wherein the desired electromagnetic radiation has a frequency within the photonic bandgap. The method includes the steps of: delivering source electromagnetic radiation having an electromagnetic frequency outside the photonic bandgap to the defect; and generating the desired electromagnetic radiation at the defect in response to the source electromagnetic radiation.Other References
Field of SearchNonlinear deviceFrequency multiplying (e.g., harmonic generator) Producing plural wavelength output Electro-optic Electro-optic Coupling between waveguides INTEGRATED OPTICAL CIRCUIT OPTICAL FREQUENCY CONVERTER Semiconductor Dielectric optical waveguide type Particular active medium (e.g., crystal, plasma, fluid, etc.) Electro-optic Semiconductor Having particular chemical composition or structure Electro-optic crystal material Dielectric type Wave filters including long line elements FOR LIGHT TRANSMISSION OR ABSORPTION | |
