1 EXHIBIT 11.1 HARMONIC LIGHTWAVES, INC. COMPUTATION OF NET INCOME PER SHARE (IN THOUSANDS) (UNAUDITED) THREE MONTHS ENDED MARCH 28, MARCH 29, ---------------- -------- ----------------- 1997 1996 ---- ---- Net Income $ 2,098 $ 646 ================ ================= Weighted average shares outstanding: Common stock 10,210 9,984 Common stock issuable upon exercise of options and warrants 1,358 1,190 ---------------- ----------------- Weighted average common shares and equivalents 11,568 11,174 ================ ================= Net income per share(1) $ 0.18 $ 0.06 ================ ================= (1) Computed in the manner described in Note 3 to Notes to Condensed Consolidated Financial Statements. 15