MULTI-MODE INTERFERENCE OPTICAL WAVEGUIDE DEVICE

MULTI-MODE INTERFERENCE OPTICAL WAVEGUIDE DEVICE

A mufti-mode interference (MMI) device (90), comprising a hollow core multi-mode waveguide optically (32) coupled to at least one hollow core input waveguide (30; 34; 36), is described in which the internal surfaces of the hollow core waveguides carry a reflective coating (92). The coating may be a...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: MCNIE, MARK EDWARD, JENKINS, RICHARD MICHAEL
Format: Patent
Sprache:eng ; fre
Schlagworte:
OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
OPTICS
PHYSICS
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Beschreibung
Zusammenfassung:A mufti-mode interference (MMI) device (90), comprising a hollow core multi-mode waveguide optically (32) coupled to at least one hollow core input waveguide (30; 34; 36), is described in which the internal surfaces of the hollow core waveguides carry a reflective coating (92). The coating may be a low refractive index material at the wavelength of operation, such as a metal, or a multiple layer dielectric stack. Resonators (150) and optical amplifiers (110) using such (MMI) devices are also described.