Spatiotemporal multiplexing and streaming of hologram data for full-color holographic video display

• Published in: Optical review (Tokyo, Japan) Japan), 2014-05, Vol.21 (3), p.220-225
• Main Authors: Xu, Xuewu, Liang, Xinan, Pan, Yuechao, Zheng, Ruitao, Lum, Zhiming Abel
• Format: Article
• Language: English
• Subjects: Atomic; Lasers; Microwaves; Molecular; Optical and Plasma Physics; Optical Devices; Optics; Photonics; Physics; Physics and Astronomy; Quantum Optics; Regular Papers; RF and Optical Engineering
• ISSN: 1340-6000; 1349-9432
• DOI: 10.1007/s10043-014-0032-y

We propose a new approach to spatiotemporally multiplex sub-holograms and stream hologram data in parallel by using multiple spatial light modulators (SLMs) to increase the spatiotemporal resolution of holographic display system. With the proposed approach, we have achieved a spatiotemporal resolution of 4.5 × 10 10 pixel/s, as compared with 1.89 × 10 9 pixel/s of a single SLM. Each frame of computer-generated hologram video has a pixel count of 378 Mpixels and is divided into 288 sub-holograms, each of 1.31 Mpixels. During the playback of holographic video, these sub-holograms are spatiotemporally multiplexed and streamed in parallel to form the integrated hologram within 16.67 ms, which enables full-color holographic video display with a 10-in. diagonal at a hologram data frame rate of 60 frames per second (fps). New SLM devices with higher spatiotemporal resolution need to be developed in order to meet the data bandwidth requirement of about 10 12 –10 14 pixel/s for future 3D holographic displays.