Integrated vector sum microwave photonic phase shifter based on asymmetric Mach-Zendner structure in SOI

[1] BARMENKOV Y O,CRUZ J L,DIEZ A,et al.. Electrically tunable photonic true-time-delay line[J]. Opt. Express,2010,18(17):17859-17864. [2] FRIGYES I,SEEDS A J. Optically generated true-time delay in phased-array antennas[J]. IEEE T. Microw Theory,1995,43(9):2378-2386. [3] JUSWARDY B,XIAO F,ALAMEH K. Opto-VLSI-based photonic true-time delay architecture for broadband adaptive nulling in phased array antennas[J]. Opt. Express,2009,17(6):4773-4781. [4] FISHER M R,CHUANG S L. A Microwave photonic phase-shifter based on wavelength conversion in a DFB laser[J]. IEEE Photonics Tech. L.,2006,18(16):1714-1716. [5] HAN J,ERLIG H,CHANG D,et al.. Multiple output photonic RF phase shifter using a novel polymer technology[J]. IEEE Photonics Tech. L.,2002,14(4):531-533. [6] SANG-SHIN L,UDUPA A H,ERLIG H,et al.. Demonstration of a photonically controlled RF phase shifter[J]. IEEE Microw. Guided,1999,9(9):357-359. [7] LEE K-H,JHON Y M,CHOI W-Y. Photonic phase shifters based on a vector-sum technique with polarization-maintaining fibers[J]. Opt. Lett.,2005,30(7):702-704. [8] BUI L A,MITCHELL A,GHORBANI K,et al.. Wideband RF photonic vector sum phase-shifter[J]. Electronics Lett.,2003,39(6):536-537. [9] NOH Y-O,LEE C-H,KIM J-M,et al.. Polymer waveguide variable optical attenuator and its reliability[J]. Opt. Communications,2004,242(4-6):533-540.