Abstract
A photonic crystal fibre comprising a bulk material having an arrangement of longitudinal holes (130, 140) and a guiding core (135), wherein the fibre has at-most-two-fold rotational symmetry about a longitudinal axis and as a result of that lack of symmetry, the fibre is birefringent.
Original language | English |
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Patent number | WO0049436 |
IPC | C03B37/012,C03B37/027,C03B37/028,C03B37/075,G02B6/02,G02B6/10,G02B6/122,G02B6/255,G02B6/28 |
Priority date | 19/02/99 |
Publication status | Published - 24 Aug 2000 |