1 Exhibit 11.1 HARMONIC LIGHTWAVES, INC. COMPUTATION OF NET INCOME PER SHARE (IN THOUSANDS) (UNAUDITED) THREE MONTHS ENDED SIX MONTHS ENDED ---------------------------- ----------------------------- JUNE 27 JUNE 28, JUNE 27 JUNE 28, 1997 1996 1997 1996 ---- ---- ---- ---- Net Income $ 1,838 $ 1,126 $ 3,936 $ 1,772 ============================ ============================= Weighted average shares outstanding: Common stock 10,296 10,078 10,252 10,031 Common stock issuable upon exercise of options and warrants 1,201 1,374 1,278 1,305 ---------------------------- ----------------------------- Weighted average common shares and equivalents 11,497 11,452 11,530 11,336 ============================ ============================= Net income per share (1) $ 0.16 $ 0.10 $ 0.34 $ 0.16 ============================ ============================= (1) Computed in the manner described in Note 3 to Notes to Condensed Consolidated Financial Statements.