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2. R. A. Thompson and P. P. Giordano, Experimental Photonic Time-Slot Interchanger Using Optical Fibers as Re-Entrant Delay Line Memories, Optical Fiber Comm. Conf., February 1986.
3. J. E. Watson, Polarization-Independent 1×16 Optical Switch Using Ti:LiNbO
3
Waveguides, Optical Fiber Comm. Conf., February 1985.
4. Transmission Systems for Communications, Bell Telephone Laboratories Inc., Fifth Edition, 1982.