title: Image fiber optic space-CDMA parallel transmission experiment using 8 x 8 VCSEL/PD arrays.
abstract: We experimentally demonstrate space-code-division multiple access (space-CDMA) based twodimensional (2-D) parallel optical interconnections by using image fibers and 8 x 8 vertical-cavity surface-emitting laser (VCSEL)/photo diode (PD) arrays. Two spatially encoded four-bit (2 x 2) parallel optical signals were emitted fiom 2-D VCSEL arrays and transmitted through image fibers. The encoded signals were multiplexed by an image-fiber coupler and detected by a 2-D PD array on the receiver side. The receiver recovered the intended parallel signal by decoding the signal. The transmission speed was 64 Mbps/ch (total throughput: 512 Mbps). Bit-error-rate (BER) measurement with a laterally misaligned PD array showed the array had a misalignment tolerance of 25 microm for a BER performance of 10(-9).
authors.affiliation: Communications Research Laboratory, Koganei, Tokyo, Japan. moriya@crl.go.jp
authors.forename: Moriya
authors.initials: M
authors.lastname: Nakamura
authors.forename: Ken-ichi
authors.initials: K
authors.lastname: Kitayama
authors.forename: Yasunori
authors.initials: Y
authors.lastname: Igasaki
authors.forename: Naoki
authors.initials: N
authors.lastname: Shamoto
authors.forename: Keiji
authors.initials: K
authors.lastname: Kaneda