Chiral Photonics, Inc.

Norman Chao

Victor Il'ich Kopp

Jonathan Singer

Christopher W Draper

Daniel Neugroschl

Victor M Churikov

Zhou Shi

An optical fiber connector configured to rotationally align a first optical fiber with a second optical fiber is provided. The connector can include at least two rotational alignment features. At least one of the two rotational alignment features can include at least one ferrule configured to hold at least the first optical fiber.

Optical fiber connectors for rotational alignment

An optical fiber mode coupling device, capable of being readily connected to a conventional optical fiber with a high degree of ruggedness, is provided. The inventive mode coupling device only allows transmission of at least one supported fiber mode therethrough, and is preferably configured to maximize the coupling, of at least one desired fiber mode, to the at least one supported fiber mode. Advantageously, the inventive mode coupling device is capable of performing the functions of a mode filter for the signal entering its first end, or serving as a mode conditioner for the signal entering its opposite second end. Thus, in one practical application thereof, the novel mode coupling device functions as a mode filter by maximizing the coupling between at least one desired fiber mode of a multi-mode input signal entering the device's first end, and at least one supported mode of the device, to produce an output signal at the device's second end that comprises at least one predetermined fiber mode, corresponding to at least one desired fiber mode. In another practical application thereof, the novel mode coupling device functions as a mode conditioner by maximizing the coupling between an input signal, comprising at least one predetermined fiber mode, that enters the device's second end, and, and at least one supported mode of the device, to produce an output signal at the device's first end that comprises at least one desired fiber mode, corresponding to a conditioned at least one predetermined fiber mode.

Optical fiber mode coupling device, having an optimized fiber interface and method of fabrication thereof

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Brooklyn, NY, United States of America

Norman Chao