Patent ID: 7742666
Filing Date: 2010-06-22
Classification: G02B

Abstract:
1. An optical beam splitter comprising: an input waveguide configured to receive an input light beam; two or more branching arms coupled to the input waveguide at a separation point, the branching arms configured to split the input light beam at the separation point into two or more light beams, each branching arm having a straight geometry, the branching arms being inclined with respect to the input waveguide, the two or more branching arms having a length of approximately 0.5 mm; two or more fan-out arms, each of the fan-out arms coupled to one of the branching arms and configured to fan-out one of the two or more light beams to a predetermined output pitch; and two or more output waveguides, each of the output waveguides coupled to one of the fan-out arms and configured to transmit one of the two or more light beams out of the optical beam splitter.