Broadband one way propagation via dielectric waveguides with unequal effective index
1996 ◽
Vol 44
(5)
◽
pp. 692-700
◽
1995 ◽
Vol 42
(2)
◽
pp. 403-409
◽
1993 ◽
Vol 11
(8)
◽
pp. 1320-1324
◽
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