Abstract
AbstractA low‐loss wide‐angle Y‐junction with graded‐index optical waveguides which can change the optical propagation direction, is proposed. The optical power is divided equally into two branching waveguides with a wide angle. Device performance is examined numerically by the finite‐difference beam propagation method (FDBPM). The simulated results show that the output optical power can be more than 96%, even if a branching angle is as large as 53.1°. © 2004 Wiley Periodicals, Inc. Microwave Opt Technol Lett 41: 156–159, 2004; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/mop.20078
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