Free-space optical link with spatial redundancy for misalignment tolerance

被引：33

作者：

Bisaillon, E ^{[1
]}

Brosseau, DF

Yamamoto, T

Mony, A

Bernier, E

Goodwill, D

Plant, DV

Kirk, AG

机构：

[1] AcceLight Networks Inc, Montreal, PQ 15017, Canada

[2] Canadian Natl Railway Co, Montreal, PQ H3B 2M9, Canada

[3] NTT Opt Network Syst Labs, Photon Network Switching Res Grp, Kanagawa 120002, Japan

[4] Nortel Networks, Adv Design Technol, Kanata, ON K1Y 4H7, Canada

[5] McGill Univ, Dept Elect & Comp Engn, Montreal, PQ H3A 4H7, Canada

来源：

IEEE PHOTONICS TECHNOLOGY LETTERS | 2002年 / 14卷 / 02期

关键词：

free space; microlenses; misalignment tolerance; optical interconnect; spatial redundancy; vertical-cavity surface-emitting laser;

D O I：

10.1109/68.980535

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：

Free-space optical interconnects can provide high bandwidth with no physical contact, but suffer from poor tolerances to misalignment. In order to obtain high misalignment tolerances, we propose the use of an active alignment scheme in conjunction with an optimized optical design. The active alignment scheme uses a redundant set of optical links and the active selection of the best link. The optical design maximizes the alignment tolerances between the two boards to +/-1 mm of lateral and +/-1degrees of angular misalignment for a target data rate of 1.25 Gb/s.

引用

页码：242 / 244

页数：3

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