QUASI-PLANAR SPOT-SIZE TRANSFORMER FOR EFFICIENT COUPLING BETWEEN A CLEAVED FIBER AND AN INP/INGAASP RIB WAVE-GUIDE

被引：6
|
作者：
GHIRARDI, F
MERSALI, B
BRANDON, J
HERVEGRUYER, G
CARENCO, A
机构：
[1] France Telecom, CNET PAB, Laboratoire de Bagneux, 196 Ave Henri Ravera BP
来源：
IEEE PHOTONICS TECHNOLOGY LETTERS | 1994年 / 6卷 / 04期
关键词：
D O I：
10.1109/68.281814
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
A spot-size transformer structure is proposed for InP/InGaAsP double-heterostructure (DH) rib waveguide. Vertical expansion of a factor of 7 is achieved with 3 dB internal loss. Coupling from standard cleaved fibre (11 mum diameter mode) to a DH rib waveguide (5.8 x 0.8 mum large mode), is achieved with 4.5 dB polarisation independent loss. Coupling tolerances are highly relaxed. The fabrication method uses a thin cladding layer which ends up to a quasi-planar structure suitable with further integration process.
引用
收藏
页码：522 / 524
页数：3
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