1. Date of download: 9/17/2016 Copyright © 2016 SPIE. All rights reserved. (a) Cross-section illustration of the biwavelength optical transceiver (TRx) module, (b) photograph of its quad small form-factor pluggable (QSFP) application, (c) top/bottom view of TRx IC board, and (d) its cross-section. Figure Legend: From: Biwavelength transceiver module for parallel simultaneous bidirectional optical interconnections Opt. Eng. 2013;52(12):120502. doi:10.1117/1.OE.52.12.120502

2. Date of download: 9/17/2016 Copyright © 2016 SPIE. All rights reserved. Full-wave simulations showing insertion loss, interchannel crosstalk, and return loss of the (a, b, and c) TRx IC board and (d, e, and f) QSFP board, respectively. Figure Legend: From: Biwavelength transceiver module for parallel simultaneous bidirectional optical interconnections Opt. Eng. 2013;52(12):120502. doi:10.1117/1.OE.52.12.120502

3. Date of download: 9/17/2016 Copyright © 2016 SPIE. All rights reserved. Frequency response of the 850- and 1060-nm operation modes. Figure Legend: From: Biwavelength transceiver module for parallel simultaneous bidirectional optical interconnections Opt. Eng. 2013;52(12):120502. doi:10.1117/1.OE.52.12.120502

4. Date of download: 9/17/2016 Copyright © 2016 SPIE. All rights reserved. BER and 10 Gbps/ch eye diagrams of QSFP optical link for (a) 850-nm and (b) 1060-nm operation modes. Figure Legend: From: Biwavelength transceiver module for parallel simultaneous bidirectional optical interconnections Opt. Eng. 2013;52(12):120502. doi:10.1117/1.OE.52.12.120502