Integrated resonator matrix for wavelength-selective separation or joining of channels in the frequency domain of optical communications technology

US4799749A · kind A · utility

Assignee

• Siemens Aktiengesellschaft · DE

Inventors

• Manfred Borner
• Reinhard Muller · Baden, CH
• Gert Trommer · Munich, DE

Key dates

• Filing date: Oct 14, 1986
• Grant date: Jan 24, 1989
• Expiry date: Oct 14, 2006

Classification

• Technology area (CPC G): Physics
• CPC primary: G02B6/12004
• WIPO field: Optics
• WIPO sector: Instruments

Abstract

Integrated resonator matrix for wavelength-selective separation or joining of channels in the frequency domain of optical communications technology. Arrangement of optical resonators which are composed of dielectric waveguides which are mirrored at their ends predominantly with reflectors having high reflection factors close to the value one and whose longitudinal extent between the reflectors is great in comparison to the transverse dimensions perpendicular thereto, all optical resonators are integrated such on a substrate to form a matrix-like arrangement, referred to as resonator matrix. Two types of resonators can be distinguished, whereby the resonators of the first type are highly coupled to one another and act as coupled resonators (22, 221, 222), whereas the resonators of the second type act as wavelength-selective useful resonators (23, 231, 232) and, compared to the couplings between the resonators of the first type, are weakly coupled to one another or, respectively, to the resonators of the first type and form at least two useful resonator groups which are not coupled to one another (or are coupled to one another as little as possible) whereby a useful resonator group c…