TY JOUR TI MODEL AND ALGORITHM OF A 4 × 4 OPTICAL SWITCH KW optical switch KW Bragg filter KW frequency detector KW buffer device KW switching element KW metamaterial KW ferrite films JO Vestnik of Astrakhan State Technical University. Series: Management, computer science and informatics AU Barabanov, I.. AU Barabanova, E.. AU Vytovtov, K.A. AU Maltseva, N.. PY 2019 IS 2019 PB Astrakhan State Technical University